diff --git a/source/engine/2dphysics.c b/source/engine/2dphysics.c
index e157ca2..d5ed3d8 100644
--- a/source/engine/2dphysics.c
+++ b/source/engine/2dphysics.c
@@ -479,7 +479,7 @@ static cpBool s7_phys_cb_begin(cpArbiter *arb, cpSpace *space, void *data) {
     struct gameobject *g2 = cpBodyGetUserData(body2);
 
     //script_call_sym_args(go->cbs->begin, s7_make_integer(s7, g2->editor.id));
-    s7_call(s7, go->cbs->begin, s7_list(s7, 2, s7_make_integer(s7, g2->editor.id), cpvec2s7(cpArbiterGetNormal(arb))));
+    //s7_call(s7, go->cbs->begin, s7_list(s7, 2, s7_make_integer(s7, g2->editor.id), cpvec2s7(cpArbiterGetNormal(arb))));
 
 
     return 1;
@@ -494,11 +494,11 @@ static void s7_phys_cb_postsolve(cpArbiter *arb, cpSpace *space, void *data) {
 }
 
 static void s7_phys_cb_separate(cpArbiter *Arb, cpSpace *space, void *data) {
-    struct gameobject *go = data;
-    script_call_sym(go->cbs->separate);
+    //struct gameobject *go = data;
+    //script_call_sym(go->cbs->separate);
 }
 
-void phys2d_add_handler_type(int cmd, struct gameobject *go, s7_pointer cb) {
+void phys2d_add_handler_type(int cmd, struct gameobject *go, void *cb) {
     cpCollisionHandler *handler = cpSpaceAddWildcardHandler(space, go);
 
     if (!go->cbs)
@@ -508,8 +508,8 @@ void phys2d_add_handler_type(int cmd, struct gameobject *go, s7_pointer cb) {
 
     switch (cmd) {
         case 0:
-            handler->beginFunc = s7_phys_cb_begin;
-            go->cbs->begin = cb;
+            //handler->beginFunc = s7_phys_cb_begin;
+            //go->cbs->begin = cb;
             break;
 
         case 1:
@@ -519,8 +519,8 @@ void phys2d_add_handler_type(int cmd, struct gameobject *go, s7_pointer cb) {
             break;
 
         case 3:
-            handler->separateFunc = s7_phys_cb_separate;
-            go->cbs->separate = cb;
+            //handler->separateFunc = s7_phys_cb_separate;
+            //go->cbs->separate = cb;
             break;
     }
 }
\ No newline at end of file
diff --git a/source/engine/2dphysics.h b/source/engine/2dphysics.h
index 184a89a..dfd511b 100644
--- a/source/engine/2dphysics.h
+++ b/source/engine/2dphysics.h
@@ -2,7 +2,6 @@
 #define TWODPHYSICS_H
 
 #include <chipmunk/chipmunk.h>
-#include "s7.h"
 
 struct gameobject;
 
@@ -12,8 +11,8 @@ extern int physOn;
 extern cpSpace *space;
 
 struct phys_cbs {
-    s7_pointer begin;
-    s7_pointer separate;
+    void *begin;
+    void *separate;
 };
 
 struct phys2d_shape {
@@ -100,7 +99,7 @@ void phys2d_init();
 void phys2d_update(float deltaT);
 void phys2d_apply();
 
-void phys2d_add_handler_type(int cmd, struct gameobject *go,  s7_pointer cb);
+void phys2d_add_handler_type(int cmd, struct gameobject *go,  void *cb);
 void phys2d_set_gravity(float x, float y);
 
 void shape_gui(struct phys2d_shape *shape);
diff --git a/source/engine/ffi.c b/source/engine/ffi.c
index b0d1be0..b1e3cf7 100644
--- a/source/engine/ffi.c
+++ b/source/engine/ffi.c
@@ -2,12 +2,27 @@
 
 #include "script.h"
 
+#include "string.h"
+#include "window.h"
+#include "editor.h"
+#include "engine.h"
+#include "log.h"
+#include "input.h"
+#include "gameobject.h"
+#include "openglrender.h"
+#include "2dphysics.h"
+#include "sprite.h"
+#include "anim.h"
+#include "yugine.h"
+#include "nuke.h"
+
 cpVect duk2vec2(duk_context *duk, int p) {
     cpVect pos;
     duk_get_prop_index(duk, p, 0);
+    pos.x = duk_to_number(duk, -1);
     duk_get_prop_index(duk, p, 1);
 
-    pos.x = duk_to_number(duk, -2);
+
     pos.y = duk_to_number(duk, -1);
 
     return pos;
@@ -20,6 +35,7 @@ duk_ret_t duk_gui_text(duk_context *duk) {
     float fpos[2] = {pos.x, pos.y};
 
     float size = duk_to_number(duk, 2);
+    const float white[3] = {1.f, 1.f, 1.f};
     renderText(s, fpos, size, white, 1800);
 
     return 0;
@@ -35,6 +51,26 @@ duk_ret_t duk_win_make(duk_context *duk) {
     return 1;
 }
 
+duk_ret_t duk_cmd(duk_context *duk) {
+    int cmd = duk_to_int(duk, 0);
+
+    switch(cmd) {
+      case 0:
+        script_dofile(duk_to_string(duk, 1));
+        break;
+
+      case 1:
+        set_pawn(duk_get_heapptr(duk, 1));
+        break;
+
+       case 2:
+         register_gui(duk_get_heapptr(duk, 1));
+         break;
+    }
+
+    return 0;
+}
+
 duk_ret_t duk_sys_cmd(duk_context *duk) {
     int cmd = duk_to_int(duk, 0);
 
@@ -84,7 +120,18 @@ duk_ret_t duk_sys_cmd(duk_context *duk) {
     return 0;
 }
 
-duk_ret_t duk_
+duk_ret_t duk_register(duk_context *duk) {
+    int cmd = duk_to_int(duk, 0);
+    void *obj = duk_get_pointer(duk, 1);
+    void *fn = duk_get_pointer(duk, 2);
+
+
+    /* Test a call ... */
+    duk_push_pointer(duk, fn);
+    duk_push_pointer(duk, obj);
+    duk_call_method(duk, 0);
+    return 0;
+}
 
 duk_ret_t duk_make_gameobject(duk_context *duk) {
     int g = MakeGameobject();
@@ -95,16 +142,108 @@ duk_ret_t duk_make_gameobject(duk_context *duk) {
     go->mass = duk_to_number(duk, 2);
     go->f = duk_to_number(duk, 3);
     go->e = duk_to_number(duk, 4);
-    go->flipx = duk_to_boolean(5);
-    go->flipy = duk_to_boolean(6);
+    go->flipx = duk_to_boolean(duk, 5);
+    go->flipy = duk_to_boolean(duk, 6);
 
     gameobject_apply(go);
 
-    duk_push_int(g);
+    duk_push_int(duk, g);
     return 1;
 }
 
+duk_ret_t duk_loginfo(duk_context *duk) {
+    const char *s = duk_to_string(duk,0);
+
+    YughInfo("%s", s);
+
+    return 0;
+}
+
+duk_ret_t duk_make_sprite(duk_context *duk) {
+  int go = duk_to_int(duk, 0);
+  const char *path = duk_to_string(duk, 1);
+  cpVect pos = duk2vec2(duk, 2);
+
+  struct sprite *sp = make_sprite(get_gameobject_from_id(go));
+  sprite_loadtex(sp, path);
+  sp->pos[0] = pos.x;
+  sp->pos[1] = pos.y;
+
+  return 0;
+}
+
+duk_ret_t duk_set_body(duk_context *duk) {
+  int cmd = duk_to_int(duk, 0);
+  int id = duk_to_int(duk, 1);
+  struct gameobject *go = get_gameobject_from_id(id);
+
+  switch (cmd) {
+    case 0:
+      gameobject_setangle(go, duk_to_number(duk, 2));
+      break;
+
+    case 1:
+      cpBodySetType(go->body, duk_to_int(duk, 2));
+      break;
+
+    case 2:
+      cpBodySetPosition(go->body, duk2vec2(duk, 2));
+      break;
+
+    case 3:
+      gameobject_move(go, duk2vec2(duk, 2));
+      break;
+
+    case 4:
+      cpBodyApplyImpulseAtWorldPoint(go->body, duk2vec2(duk, 2), cpBodyGetPosition(go->body));
+      break;
+
+    case 5:
+      go->flipx = duk_to_boolean(duk, 2);
+      break;
+
+    case 6:
+      go->flipy = duk_to_boolean(duk, 2);
+      break;
+
+  }
+
+  return 0;
+}
+
+duk_ret_t duk_q_body(duk_context *duk) {
+    int q = duk_to_int(duk, 0);
+    struct gameobject *go = get_gameobject_from_id(duk_to_int(duk, 1));
+
+    switch(q) {
+        case 0:
+          duk_push_int(duk, cpBodyGetType(go->body));
+          return 1;
+
+        case 1:
+          vect2duk(cpBodyGetPosition(go->body));
+          return 1;
+
+        case 2:
+          duk_push_number(duk, cpBodyGetAngle(go->body));
+          return 1;
+    }
+
+    return 0;
+}
+
+#define DUK_FUNC(NAME, ARGS) duk_push_c_function(duk, duk_##NAME, ARGS); duk_put_global_string(duk, #NAME);
+
 void ffi_load()
 {
-
+    DUK_FUNC(loginfo, 1);
+    DUK_FUNC(make_gameobject, 7);
+    DUK_FUNC(set_body, 3);
+    DUK_FUNC(q_body, 2);
+    DUK_FUNC(register, 3);
+    DUK_FUNC(sys_cmd, 1);
+    DUK_FUNC(win_make, 3);
+    DUK_FUNC(gui_text, 3);
+    DUK_FUNC(make_sprite, 3);
+    DUK_FUNC(cmd, 2);
 }
\ No newline at end of file
diff --git a/source/engine/font.c b/source/engine/font.c
index e201c97..537317e 100644
--- a/source/engine/font.c
+++ b/source/engine/font.c
@@ -22,6 +22,39 @@ static uint32_t VAO = 0;
 struct sFont *font;
 static struct shader *shader;
 
+char *slurp_file(const char *filename) {
+    FILE *f = fopen(filename, "rb");
+
+    if (!f) return NULL;
+
+    fseek(f, 0, SEEK_END);
+    long fsize = ftell(f);
+    fseek(f, 0, SEEK_SET);
+    unsigned char *slurp = malloc(fsize);
+     size_t r = fread(slurp, fsize, 1, f);
+     fclose(f);
+
+     return slurp;
+}
+
+char *slurp_text(const char *filename) {
+ FILE *f = fopen(filename, "r'");
+ if (!f) return NULL;
+
+    char *buf;
+    long int fsize;
+    fseek(f, 0, SEEK_END);
+    fsize = ftell(f);
+    buf = malloc(fsize+1);
+    rewind(f);
+    size_t r = fread(buf, sizeof(char), fsize, f);
+    buf[r] = '\0';
+
+    fclose(f);
+
+    return buf;
+}
+
 void font_init(struct shader *textshader) {
     shader = textshader;
 
diff --git a/source/engine/font.h b/source/engine/font.h
index cdf13b4..0505f25 100644
--- a/source/engine/font.h
+++ b/source/engine/font.h
@@ -31,5 +31,7 @@ void sdrawCharacter(struct Character c, mfloat_t cursor[2], float scale, struct
 void text_settype(struct sFont *font);
 void renderText(const char *text, mfloat_t pos[2], float scale, mfloat_t color[3], float lw);
 
+char *slurp_file(const char *filename);
+char *slurp_text(const char *filename);
 
 #endif
diff --git a/source/engine/input.c b/source/engine/input.c
index 0083e0c..78ab0ee 100644
--- a/source/engine/input.c
+++ b/source/engine/input.c
@@ -19,10 +19,10 @@ static int *downkeys = NULL;
 
 static int mquit = 0;
 
-static s7_pointer *pawns = NULL;
+static void **pawns = NULL;
 
-void set_pawn(s7_pointer menv) {
-    arrput(pawns, menv);
+void set_pawn(void *pawn) {
+    arrput(pawns, pawn);
     YughInfo("Now controling %d pawns.", arrlen(pawns));
 }
 
diff --git a/source/engine/input.h b/source/engine/input.h
index b2d08b6..c979952 100644
--- a/source/engine/input.h
+++ b/source/engine/input.h
@@ -30,6 +30,6 @@ struct inputaction
     int scancode;
 };
 
-void set_pawn(s7_pointer env);
+void set_pawn(void *pawn);
 
 #endif
diff --git a/source/engine/mrbffi.c b/source/engine/mrbffi.c
deleted file mode 100644
index baf6fff..0000000
--- a/source/engine/mrbffi.c
+++ /dev/null
@@ -1,624 +0,0 @@
-#include "mrbffi.h"
-#include "s7.h"
-
-#include "font.h"
-
-#include "script.h"
-#include "string.h"
-#include "window.h"
-#include "editor.h"
-#include "engine.h"
-#include "log.h"
-#include "input.h"
-#include "gameobject.h"
-#include "openglrender.h"
-#include "2dphysics.h"
-#include "sprite.h"
-#include "anim.h"
-
-#include "yugine.h"
-
-#include "s7.h"
-
-#include "nuke.h"
-
-
-cpVect s7tovec2(s7_scheme *sc, s7_pointer s7vec) {
-    cpVect ret;
-    ret.x = s7_real(s7_vector_ref(sc, s7vec, 0));
-    ret.y = s7_real(s7_vector_ref(sc, s7vec, 1));
-
-    return ret;
-}
-
-
-
-extern s7_scheme *s7;
-
-/* FFI */
-s7_pointer s7_ui_label(s7_scheme *sc, s7_pointer args) {
-    if (s7_is_string(s7_car(args))) {
-        nuke_label(s7_string(s7_car(args)));
-        return s7_make_boolean(sc, 1);
-    }
-
-    return s7_wrong_type_arg_error(sc, "ui_label", 1, args, "Should be a string.");
-}
-
-s7_pointer s7_ui_btn(s7_scheme *sc, s7_pointer args) {
-    return s7_make_boolean(sc, nuke_btn(s7_string(s7_car(args))));
-}
-
-s7_pointer s7_ui_nel(s7_scheme *sc, s7_pointer args) {
-    nuke_nel(s7_integer(s7_cadr(args)));
-    return s7_make_boolean(sc, 1);
-}
-
-s7_pointer s7_ui_prop(s7_scheme *sc, s7_pointer args) {
-    float val = s7_real(s7_cadr(args));
-    nuke_prop_float(s7_string(s7_car(args)), (float)s7_real(s7_caddr(args)), &val, s7_real(s7_cadddr(args)), s7_real(s7_car(s7_cddddr(args))), s7_real(s7_car(s7_cdr(s7_cddddr(args)))));
-    return s7_make_real(sc, val);
-}
-
-s7_pointer s7_ui_text(s7_scheme *sc, s7_pointer args) {
-    const char *s = s7_string(s7_car(args));
-    int len = s7_integer(s7_cadr(args));
-    char str[len+1];
-    strncpy(str,s,len);
-    nuke_edit_str(str);
-    return s7_make_string(sc, str);
-}
-
-s7_pointer s7_gui_text(s7_scheme *sc, s7_pointer args) {
-    const char *s = s7_string(s7_car(args));
-    cpVect pos = s7tovec2(sc, s7_cadr(args));
-    float fpos[2] = {pos.x, pos.y};
-
-    float size = s7_real(s7_caddr(args));
-    const float white[3] = {1.f, 1.f, 1.f};
-
-    renderText(s, fpos, size, white, 1800);
-
-    return s7_car(args);
-}
-
-s7_pointer s7_gui_img(s7_scheme *sc, s7_pointer args) {
-    const char *img = s7_string(s7_car(args));
-    cpVect pos = s7tovec2(sc, s7_cadr(args));
-
-    gui_draw_img(img, pos.x, pos.y);
-
-    return args;
-}
-
-s7_pointer s7_settings_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    double val = s7_real(s7_cadr(args));
-
-    switch(cmd) {
-        case 0: // render fps
-            renderMS = val;
-            break;
-
-        case 1:
-            updateMS = val;
-            break;
-
-        case 2:
-            physMS = val;
-            break;
-
-        case 3:
-            debug_draw_phys(val);
-            break;
-
-        case 4:
-            set_timescale(val);
-            break;
-
-        case 5:
-            add_zoom(val);
-            break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_log(s7_scheme *sc, s7_pointer args) {
-    int lvl = s7_integer(s7_car(args));
-    const char *msg = s7_string(s7_cadr(args));
-    const char *file = s7_string(s7_caddr(args));
-    int line = s7_integer(s7_cadddr(args));
-    mYughLog(1, lvl, line, file, msg);
-
-    return args;
-}
-
-/* Call like (ui_rendertext "string" (xpos ypos) size) */
-s7_pointer s7_ui_rendertext(s7_scheme *sc, s7_pointer args) {
-    const char *s = s7_string(s7_car(args));
-    s7_pointer s7pos = s7_cadr(args);
-    cpVect cpos = s7tovec2(sc, s7_cadr(args));
-    double pos[2] = { cpos.x, cpos.y };
-    double size = s7_real(s7_caddr(args));
-    double white[3] = {1.f, 1.f, 1.f};
-
-    renderText(s, pos, size, white, 0);
-
-    return args;
-}
-
-s7_pointer s7_win_cmd(s7_scheme *sc, s7_pointer args) {
-    int win = s7_integer(s7_car(args));
-    int cmd = s7_integer(s7_cadr(args));
-    struct window *w = window_i(win);
-
-    /*
-        3: return win width
-        4: return win height
-
-    */
-
-    switch (cmd) {
-        case 0:  /* toggle fullscreen */
-            window_togglefullscreen(w);
-            break;
-
-        case 1: /* Fullscreen on */
-            window_makefullscreen(w);
-            break;
-
-        case 2: /* Fullscreen off */
-            window_unfullscreen(w);
-            break;
-
-        case 3:
-            return s7_make_integer(sc, w->width);
-            break;
-
-        case 4:
-            return s7_make_integer(sc, w->height);
-            break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_win_make(s7_scheme *sc, s7_pointer args) {
-    const char *title = s7_string(s7_car(args));
-    int w = s7_integer(s7_cadr(args));
-    int h = s7_integer(s7_caddr(args));
-    struct window *win = MakeSDLWindow(title, w, h, 0);
-    return s7_make_integer(sc, win->id);
-}
-
-s7_pointer s7_gen_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    const char *s = s7_string(s7_cadr(args));
-
-    /* Branch table for general commands from scheme */
-    /* 0 : load level */
-    /* 1: load prefab */
-
-    int response = 0;
-
-    switch (cmd) {
-        case 0:
-            load_level(s);
-            break;
-
-        case 1:
-            response = gameobject_makefromprefab(s);
-            break;
-    }
-
-    return s7_make_integer(sc, response);
-}
-
-s7_pointer s7_sys_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-
-    switch (cmd) {
-        case 0:
-            quit();
-            break;
-
-        case 1:
-            sim_start();
-            break;
-
-        case 2:
-            sim_stop();
-            break;
-
-        case 3:
-            sim_pause();
-            break;
-
-        case 4:
-            sim_step();
-            break;
-
-        case 5:
-            return s7_make_boolean(sc, sim_playing());
-
-        case 6:
-            return s7_make_boolean(sc, sim_paused());
-
-        case 7:
-            return s7_make_integer(sc, MakeGameobject());
-
-        case 8:
-            return s7_make_integer(sc, frame_fps());
-
-        case 9: /* Clear the level out */
-            new_level();
-            break;
-
-    }
-
-    return args;
-}
-
-s7_pointer s7_sound_cmd(s7_scheme *sc, s7_pointer args) {
-    int sound = s7_integer(s7_car(args));
-    int cmd = s7_integer(s7_cadr(args));
-
-    switch (cmd) {
-        case 0: // play
-            break;
-
-        case 1: // pause
-            break;
-
-        case 2: // stop
-            break;
-
-        case 3: // play from beginning
-            break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_gui_hook(s7_scheme *sc, s7_pointer args) {
-    s7_pointer cb = s7_car(args);
-    script_call_sym(cb);
-
-    return cb;
-}
-
-s7_pointer s7_register(s7_scheme *sc, s7_pointer args) {
-    int hook = s7_integer(s7_car(args));
-    s7_pointer sym = s7_cadr(args);
-
-    s7_gc_protect(sc, sym);
-
-    /* 0 : update */
-    /* 1 : gui */
-    /* 2 : physics */
-
-    switch (hook) {
-        case 0:
-            register_update(sym);
-            break;
-
-        case 1:
-            register_gui(sym);
-            break;
-
-        case 2:
-            register_physics(sym);
-            break;
-    }
-
-    return sym;
-}
-
-s7_pointer s7_obregister(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    s7_pointer sym = s7_cadr(args);
-    s7_pointer env = s7_caddr(args);
-
-    s7_gc_protect(sc, sym);
-    s7_gc_protect(sc, env);
-
-    register_obupdate(env, sym);
-}
-
-s7_pointer s7_set_pawn(s7_scheme *sc, s7_pointer args) {
-    s7_pointer pawn = s7_car(args);
-    s7_gc_protect(sc, pawn);
-    set_pawn(pawn);
-    return args;
-}
-
-s7_pointer s7_set_body(s7_scheme *sc, s7_pointer args) {
-    int id = s7_integer(s7_car(args));
-    int cmd = s7_integer(s7_cadr(args));
-    struct gameobject *go = get_gameobject_from_id(id);
-
-    switch (cmd) {
-        case 0:
-            gameobject_setangle(go, s7_real(s7_caddr(args)));
-            break;
-
-        case 1:
-            cpBodySetType(go->body, s7_integer(s7_caddr(args)));
-            break;
-
-        case 2:
-            cpBodySetPosition(go->body, s7tovec2(sc, s7_caddr(args)));
-            break;
-
-        case 3:
-            gameobject_move(go, s7tovec2(sc, s7_caddr(args)));
-            break;
-
-        case 4:
-            cpBodyApplyImpulseAtWorldPoint(go->body, s7tovec2(sc, s7_caddr(args)), cpBodyGetPosition(go->body));
-            break;
-
-        case 5:
-            go->flipx = s7_boolean(sc, s7_caddr(args)) ? -1 : 1;
-            break;
-
-        case 6:
-            go->flipy = s7_boolean(sc, s7_caddr(args)) ?  -1 : 1;
-            break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_phys_cmd(s7_scheme *sc, s7_pointer args) {
-    int go = s7_integer(s7_car(args));
-    int cmd = s7_integer(s7_cadr(args));
-    s7_pointer env = s7_caddr(args);
-
-    if (go == -1) return s7_nil(sc);
-
-    phys2d_add_handler_type(cmd, get_gameobject_from_id(go), env);
-}
-
-/* Query physics bodies */
-s7_pointer s7_phys_q(s7_scheme *sc, s7_pointer args) {
-    struct gameobject * go = get_gameobject_from_id(s7_integer(s7_car(args)));
-    int q = s7_integer(s7_cadr(args));
-
-    s7_pointer ret;
-
-    /* Queries about a body
-        0: body type of static, dynamic, kinematic
-        1: body position
-        2: body rotation
-    */
-    switch(q) {
-        case 0:
-            return s7_make_integer(sc, cpBodyGetType(go->body));
-
-        case 1:
-            ret = s7_make_vector(sc, 2);
-            s7_vector_set(sc, ret, 0, s7_make_real(sc, cpBodyGetPosition(go->body).x));
-            s7_vector_set(sc, ret, 1, s7_make_real(sc, cpBodyGetPosition(go->body).y));
-            return ret;
-
-        case 2:
-            return s7_make_real(sc, cpBodyGetAngle(go->body));
-
-    }
-}
-
-s7_pointer s7_phys_set(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    double x = s7_real(s7_cadr(args));
-    double y = s7_real(s7_caddr(args));
-
-    phys2d_set_gravity(x, y);
-}
-
-s7_pointer s7_int_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    int val = s7_integer(s7_cadr(args));
-
-    switch (cmd) {
-        case 0:
-            set_cam_body(get_gameobject_from_id(val)->body);
-            break;
-    }
-}
-
-s7_pointer s7_yield(s7_scheme *sc, s7_pointer args) {
-    /* arg 1: condition
-         arg 2: function  to run
-    */
-
-
-    s7_pointer cond = s7_car(args);
-    s7_pointer func = s7_cadr(args);
-
-
-}
-
-void timer_s7_call(s7_pointer sym) {
-    s7_call(s7, sym, s7_nil(s7));
-}
-
-s7_pointer s7_timer(s7_scheme *sc, s7_pointer args) {
-    double delay = s7_real(s7_car(args));
-    s7_pointer sym = s7_cadr(args);
-
-    struct timer *timer = timer_make(delay, timer_s7_call, sym);
-    timer_start(timer);
-    return args;
-}
-
-s7_pointer s7_timer_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    int id = s7_integer(s7_cadr(args));
-
-    struct timer *t = NULL;
-
-    switch (cmd) {
-        case 0:
-            timer_pause(t);
-            break;
-        case 1:
-             timer_start(t);
-             break;
-         case 2:
-             timer_stop(t);
-             break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_anim(s7_scheme *sc, s7_pointer args) {
-    s7_pointer prop = s7_car(args);
-    s7_pointer keyframes = s7_cadr(args);
-
-    YughInfo("Animating property %s.", s7_symbol_name(prop));
-
-    struct anim a = make_anim();
-
-    for (int i = 0; i < s7_list_length(sc, keyframes); i++) {
-        struct keyframe k;
-        s7_pointer kf = s7_list_ref(sc, keyframes, i);
-        k.time = s7_real(s7_car(kf));
-        k.val = s7_real(s7_cadr(kf));
-        a = anim_add_keyframe(a, k);
-    }
-
-    for (double i = 0; i < 3.0; i = i + 0.1) {
-        YughInfo("Val is now %f at time %f", anim_val(a, i), i);
-        s7_symbol_set_value(sc, prop, s7_make_real(sc, anim_val(a, i)));
-    }
-
-    free_anim(a);
-}
-
-s7_pointer s7_anim_cmd(s7_scheme *sc, s7_pointer args) {
-    int cmd = s7_integer(s7_car(args));
-    int body = s7_integer(s7_cadr(args));
-    s7_pointer sym = s7_caddr(args);
-
-    switch (cmd) {
-        case 0:
-            YughInfo("Playing animation called %s.", s7_symbol_name(sym));
-            break;
-    }
-
-    return args;
-}
-
-s7_pointer s7_make_gameobject(s7_scheme *sc, s7_pointer args) {
-    int g = MakeGameobject();
-    struct gameobject *go = get_gameobject_from_id(g);
-
-    go->scale = s7_real(s7_car(args));
-    go->bodytype = s7_integer(s7_cadr(args));
-    go->mass = s7_real(s7_caddr(args));
-    go->f = s7_real(s7_cadddr(args));
-    go->e = s7_real(s7_list_ref(sc, args, 4));
-    go->flipx = s7_boolean(sc, s7_list_ref(sc, args, 5)) ? -1 : 1;
-    go->flipy = s7_boolean(sc, s7_list_ref(sc, args, 6)) ? -1 : 1;
-
-    gameobject_apply(go);
-
-    return s7_make_integer(sc, g);
-}
-
-s7_pointer s7_make_sprite(s7_scheme *sc, s7_pointer args) {
-    int go = s7_integer(s7_car(args));
-    const char *path = s7_string(s7_cadr(args));
-    cpVect pos = s7tovec2(sc, s7_caddr(args));
-
-    struct sprite *sp = make_sprite(get_gameobject_from_id(go));
-
-    sprite_loadtex(sp, path);
-    sp->pos[0] = pos.x;
-    sp->pos[1] = pos.y;
-
-    return args;
-}
-
-s7_pointer s7_make_box2d(s7_scheme *sc, s7_pointer args) {
-    int go = s7_integer(s7_car(args));
-    cpVect size = s7tovec2(sc, s7_cadr(args));
-    cpVect offset = s7tovec2(sc, s7_caddr(args));
-
-    struct phys2d_box *box = Make2DBox(get_gameobject_from_id(go));
-    box->w = size.x;
-    box->h = size.y;
-    box->offset[0] = offset.x;
-    box->offset[1] = offset.y;
-
-    phys2d_boxinit(box, get_gameobject_from_id(go));
-
-    return args;
-}
-
-s7_pointer s7_make_circ2d(s7_scheme *sc, s7_pointer args) {
-    int go = s7_integer(s7_car(args));
-    double radius = s7_real(s7_cadr(args));
-    cpVect offset = s7tovec2(sc, s7_caddr(args));
-
-    struct phys2d_circle *circle = Make2DCircle(get_gameobject_from_id(go));
-    circle->radius = radius;
-    circle->offset[0] = offset.x;
-    circle->offset[1] = offset.y;
-
-    phys2d_circleinit(circle, get_gameobject_from_id(go));
-
-    return s7_make_integer(sc, get_gameobject_from_id(go));
-}
-
-#define S7_FUNC(NAME, ARGS) s7_define_function(s7, #NAME, s7_ ##NAME, ARGS, 0, 0, "")
-
-void ffi_load() {
-    S7_FUNC(ui_label, 1);
-    S7_FUNC(ui_btn, 1);
-    S7_FUNC(ui_nel, 1);
-    S7_FUNC(ui_prop, 6);
-    S7_FUNC(ui_text, 2);
-    S7_FUNC(ui_rendertext, 3);
-
-    S7_FUNC(gui_text, 3);
-    S7_FUNC(gui_img, 2);
-
-    S7_FUNC(gen_cmd, 2);
-    S7_FUNC(sys_cmd, 1);
-    S7_FUNC(settings_cmd, 2);
-
-
-    S7_FUNC(win_cmd, 2);
-    S7_FUNC(win_make, 3);
-
-
-    S7_FUNC(sound_cmd, 2);
-    S7_FUNC(gui_hook, 1);
-    S7_FUNC(register, 2);
-    S7_FUNC(obregister, 3);
-    S7_FUNC(set_pawn, 1);
-    S7_FUNC(set_body, 3);
-    S7_FUNC(phys_cmd, 3);
-    S7_FUNC(phys_q, 2);
-    S7_FUNC(phys_set, 3);
-    S7_FUNC(int_cmd, 2);
-
-    S7_FUNC(log, 4);
-
-    S7_FUNC(yield, 2);
-    S7_FUNC(timer, 2);
-    S7_FUNC(timer_cmd, 2);
-
-    S7_FUNC(anim, 2);
-    S7_FUNC(anim_cmd, 3);
-
-    S7_FUNC(make_gameobject, 7);
-    S7_FUNC(make_sprite, 3);
-    S7_FUNC(make_box2d, 3);
-    S7_FUNC(make_circ2d, 3);
-}
-
diff --git a/source/engine/mrbffi.h b/source/engine/mrbffi.h
deleted file mode 100644
index 21db301..0000000
--- a/source/engine/mrbffi.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef MRBFFI_H
-#define MRBFFI_H
-
-void ffi_load();
-
-
-#endif
diff --git a/source/engine/script.c b/source/engine/script.c
index 07ab625..d99c167 100644
--- a/source/engine/script.c
+++ b/source/engine/script.c
@@ -3,7 +3,8 @@
 #include "stdio.h"
 #include "log.h"
 
-#include "mrbffi.h"
+#include "ffi.h"
+#include "font.h"
 
 #include "ftw.h"
 
@@ -11,165 +12,144 @@
 
 duk_context *duk = NULL;
 
-s7_pointer cpvec2s7(cpVect v) {
-    s7_pointer ret = s7_make_vector(s7, 2);
-    s7_vector_set(s7, ret, 0, s7_make_real(s7, v.x));
-    s7_vector_set(s7, ret, 1, s7_make_real(s7, v.y));
+duk_idx_t vect2duk(cpVect v) {
+    duk_idx_t arr = duk_push_array(duk);
+    duk_push_number(duk, v.x);
+    duk_put_prop_index(duk, arr, 0);
+    duk_push_number(duk, v.y);
+    duk_put_prop_index(duk, arr, 1);
 
-    return ret;
+    return arr;
 }
 
-static void null_port(s7_scheme *sc, uint8_t c, s7_pointer port) {
-
-}
-
-static void my_err(s7_scheme *sc, uint8_t c, s7_pointer port) {
-    static char buffer[1024];
-    static char *p = buffer;
-    if (c != '\n' && p != &buffer[1023]) {
-        *p = c;
-        p++;
-    } else {
-        *p = '\0';
-        if (buffer[0] != '\n')
-            YughError(buffer);
-        p = buffer;
-
-        //YughInfo("File %s, line %d", s7_port_filename(sc, port), s7_port_line_number(sc, port));
-
-        int lost = s7_flush_output_port(sc, port);
-    }
-}
-
-static void my_print(s7_scheme *sc, uint8_t c, s7_pointer port) {
-    static char buffer[1024];
-    static char *p = buffer;
-    if (c != '\n' && p != &buffer[1023]) {
-        *p = c;
-        p++;
-    } else {
-         *p = '\0';
-        YughInfo(buffer);
-        p = buffer;
-    }
-}
 
 static int load_prefab(const char *fpath, const struct stat *sb, int typeflag) {
     if (typeflag != FTW_F)
         return 0;
 
     if (!strcmp(".prefab", strrchr(fpath, '.')))
-        s7_load(s7, fpath);
+        script_dofile(fpath);
 
     return 0;
 }
 
 void script_init() {
     duk = duk_create_heap_default();
-    /*
-    s7_set_current_error_port(s7, s7_open_output_function(s7, my_err));
-    s7_set_current_output_port(s7, s7_open_output_function(s7, my_print));
-    */
     ffi_load();
 
     /* Load all prefabs into memory */
-    script_dofile("scripts/engine.scm");
-    script_dofile("config.scm");
-    ftw(".", load_prefab, 10);
+    script_dofile("scripts/engine.js");
+    script_dofile("config.js");
+    //ftw(".", load_prefab, 10);
 }
 
 void script_run(const char *script) {
-    s7_eval_c_string(s7, script);
+    duk_eval_string(duk, script);
 }
 
 int script_dofile(const char *file) {
-    if (!s7_load(s7, file)) {
+    const char *script = slurp_text(file);
+    if (!script) {
       YughError("Can't find file %s.", file);
       return 1;
    }
-    return 0;
+   duk_push_string(duk, script);
+   free(script);
+   if (duk_peval(duk) != 0) {
+       printf("ERROR: %s\n", duk_safe_to_string(duk, -1));
+       return 1;
+   }
+   duk_pop(duk);
+
+
+   return 0;
 }
 
 /* Call the "update" function in the master game script */
 void script_update(double dt) {
+
 }
 
 /* Call the "draw" function in master game script */
 void script_draw() {
+
 }
 
 /* Call "editor" function in master game script */
 void script_editor() {
+
 }
 
+/* Call the given function name */
 void script_call(const char *f) {
-    s7_call(s7, s7_name_to_value(s7, f), s7_nil(s7));
+    //s7_call(s7, s7_name_to_value(s7, f), s7_nil(s7));
 }
 
-void script_eval_w_env(const char *s, s7_pointer env) {
-    char buffer[512];
-    snprintf(buffer, 512-1, "(%s)", s);
+void script_eval_w_env(const char *s, void *env) {
+    duk_push_heapptr(duk, env);
+    duk_push_string(duk, s);
 
-    s7_set_current_error_port(s7, s7_open_output_function(s7, null_port));
+    YughInfo("pressed %s", s);
 
-    s7_pointer oldenv = s7_curlet(s7);
-    s7_set_curlet(s7, env);
-    s7_eval_c_string(s7, buffer);
-    s7_set_curlet(s7, oldenv);
-
-
-    s7_set_current_error_port(s7, s7_open_output_function(s7, my_err));
+    if (!duk_has_prop(duk, -2)) {
+      duk_pop(duk);
+      return;
+    }
+    duk_push_string(duk, s);
+    duk_call_prop(duk, -2, 0);
+    duk_pop(duk);
+    duk_pop(duk);
 }
 
-void script_call_sym(s7_pointer sym)
+void script_call_sym(void *sym)
 {
-    s7_call(s7, sym, s7_nil(s7));
+    duk_push_heapptr(duk, sym);
+    duk_call(duk, 0);
+    duk_pop(duk);
 }
 
-void script_call_sym_args(s7_pointer sym, s7_pointer args)
+void script_call_sym_args(void *sym, void *args)
 {
-    s7_call(s7, sym, s7_cons(s7, args, s7_nil(s7)));
-}
-
-int script_has_sym(s7_pointer sym) {
-    return 1;
+    //s7_call(s7, sym, s7_cons(s7, args, s7_nil(s7)));
 }
 
 
-s7_pointer *updates;
-s7_pointer *guis;
-s7_pointer *physics;
+void **updates;
+void **guis;
+void **physics;
 
 struct obupdate {
-    s7_pointer obj;
-    s7_pointer sym;
+    void *obj;
+    void *sym;
 };
 
 struct obupdate *obupdates = NULL;
 
-void register_update(s7_pointer sym) {
+void register_update(void *sym) {
     arrput(updates, sym);
 }
 
-void register_obupdate(s7_pointer obj, s7_pointer sym) {
+void register_obupdate(void *obj, void *sym) {
     struct obupdate ob = {obj, sym};
     arrput(obupdates, ob);
 }
 
 void call_updates(double dt) {
-    for (int i = 0; i < arrlen(updates); i++)
-        s7_call(s7, updates[i], s7_cons(s7, s7_make_real(s7, dt), s7_nil(s7)));
-
-    for (int i = 0; i < arrlen(obupdates); i++) {
-        s7_pointer curlet = s7_curlet(s7);
-        s7_set_curlet(s7, obupdates[i].obj);
-        s7_call(s7, obupdates[i].sym, s7_cons(s7, s7_make_real(s7, dt), s7_nil(s7)));
-        s7_set_curlet(s7, curlet);
+    for (int i = 0; i < arrlen(updates); i++) {
+        duk_push_heapptr(duk, updates[i]);
+        duk_push_number(duk, dt);
+        duk_call(duk, 1);
     }
 
+    for (int i = 0; i < arrlen(obupdates); i++) {
+        duk_push_heapptr(duk, obupdates[i].sym);
+        duk_push_heapptr(duk, obupdates[i].obj);
+        duk_push_number(duk, dt);
+        duk_call_method(duk, 1);
+    }
 }
 
-void register_gui(s7_pointer sym) {
+void register_gui(void *sym) {
     arrput(guis, sym);
 }
 
@@ -178,11 +158,14 @@ void call_gui() {
         script_call_sym(guis[i]);
 }
 
-void register_physics(s7_pointer sym) {
+void register_physics(void *sym) {
     arrput(physics, sym);
 }
 
 void call_physics(double dt) {
-    for (int i = 0; i < arrlen(physics); i++)
-        s7_call(s7, physics[i], s7_cons(s7, s7_make_real(s7, dt), s7_nil(s7)));
+    for (int i = 0; i < arrlen(physics); i++) {
+        duk_push_pointer(duk, physics[i]);
+        duk_push_number(duk, dt);
+        duk_call(duk, 1);
+    }
 }
\ No newline at end of file
diff --git a/source/engine/script.h b/source/engine/script.h
index 524c67a..bdcad6c 100644
--- a/source/engine/script.h
+++ b/source/engine/script.h
@@ -13,21 +13,21 @@ void script_update(double dt);
 void script_draw();
 void script_editor();
 void script_call(const char *f);
-void script_call_sym(s7_pointer sym);
-void script_call_sym_args(s7_pointer sym, s7_pointer args);
-int script_has_sym(s7_pointer sym);
-void script_eval_w_env(const char *s, s7_pointer env);
+void script_call_sym(void *sym);
+void script_call_sym_args(void *sym, void *args);
+int script_has_sym(void *sym);
+void script_eval_w_env(const char *s, void *env);
 
-void register_update(s7_pointer sym);
-void register_obupdate(s7_pointer obj, s7_pointer sym);
+void register_update(void *sym);
+void register_obupdate(void *obj, void *sym);
 void call_updates(double dt);
 
-void register_gui(s7_pointer sym);
+void register_gui(void *sym);
 void call_gui();
 
-void register_physics(s7_pointer sym);
+void register_physics(void *sym);
 void call_physics(double dt);
 
-s7_pointer cpvec2s7(cpVect v);
+duk_idx_t vec2duk(cpVect v);
 
 #endif
diff --git a/source/engine/yugine.c b/source/engine/yugine.c
index c24d3cf..363f510 100644
--- a/source/engine/yugine.c
+++ b/source/engine/yugine.c
@@ -120,12 +120,6 @@ int main(int argc, char **args) {
     }
 
 
-    duk_context *duk = duk_create_heap_default();
-    duk_eval_string(duk, "1+2");
-    printf("DUK RESULT: %d", duk_get_int(duk, -1));
-
-
-
 #if DBG
     if (logout) {
         time_t now = time(NULL);
@@ -169,7 +163,7 @@ int main(int argc, char **args) {
     if (ed) {
         editor_init(MakeSDLWindow("Editor", 600, 600, 0));
     } else {
-        script_dofile("game.scm");
+        script_dofile("game.js");
     }
 
     openglInit();