diff --git a/Makefile b/Makefile
index 78474c1..2fb38d0 100755
--- a/Makefile
+++ b/Makefile
@@ -58,6 +58,7 @@ endif
 
 ifdef LEAK
   CPPFLAGS += -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer -DLEAK
+	INFO := $(INFO)_leak
 endif
 
 ifeq ($(OPT),small)
diff --git a/scripts/engine.js b/scripts/engine.js
index 2e7b616..4544e78 100644
--- a/scripts/engine.js
+++ b/scripts/engine.js
@@ -156,6 +156,7 @@ console.pprint = function(msg,lvl = 0) {
 
   var file = "nofile";
   var line = 0;
+  console.rec(0,msg,file,line);
   
   var caller = (new Error()).stack.split('\n')[2];
   if (caller) { 
@@ -453,12 +454,12 @@ prosperon.touchrelease = function(touches){};
 prosperon.touchmove = function(touches){};
 prosperon.clipboardpaste = function(str){};
 prosperon.quit = function(){
-  console.info(profile.printreport(profcache, "USE REPORT"));
-  console.info(profile.printreport(entityreport, "ENTITY REPORT"));
+  say(profile.printreport(profcache, "USE REPORT"));
+  say(profile.printreport(entityreport, "ENTITY REPORT"));
   
   console.info("QUITTING");
   for (var i in debug.log.time)
-    console.warn(debug.log.time[i].map(x=>profile.ms(x)));
+    say(debug.log.time[i].map(x=>profile.ms(x)));
 };
 
 global.mixin("scripts/input");
diff --git a/scripts/std.js b/scripts/std.js
index f4ecba3..179ac45 100644
--- a/scripts/std.js
+++ b/scripts/std.js
@@ -248,7 +248,7 @@ Cmdline.register_order("play", function(argv) {
   console.info(`Starting game with window size ${window.size} and render ${window.rendersize}.`);
   
   game.engine_start(function() {
-    render.set_font("fonts/c64.ttf", 8);        
+    render.set_font("fonts/c64.ttf", 8);
     global.app = actor.spawn("game.js");
     if (project.icon) window.set_icon(game.texture(project.icon));
     game.camera = world.spawn("scripts/camera2d");
diff --git a/source/engine/jsffi.c b/source/engine/jsffi.c
index 22d3be2..3ad5d8d 100644
--- a/source/engine/jsffi.c
+++ b/source/engine/jsffi.c
@@ -101,14 +101,6 @@ JSValue js_getpropidx(JSValue v, uint32_t i)
   return p;
 }
 
-JSValue gos2ref(gameobject **go)
-{
-  JSValue array = JS_NewArray(js);
-  for (int i = 0; i < arrlen(go); i++)
-    js_setprop_num(array,i,JS_DupValue(js,go[i]->ref));
-  return array;
-}
-
 void js_setprop_str(JSValue obj, const char *prop, JSValue v) { JS_SetPropertyStr(js, obj, prop, v); }
 JSValue js_getpropstr(JSValue v, const char *str)
 {
@@ -1549,7 +1541,6 @@ void ffi_load() {
   QJSGLOBALCLASS(dspsound);
   QJSGLOBALCLASS(pshape);
   QJSGLOBALCLASS(performance);
-  
   QJSGLOBALCLASS(circle2d);
   QJSGLOBALCLASS(poly2d);
   QJSGLOBALCLASS(edge2d);
@@ -1560,7 +1551,7 @@ void ffi_load() {
   JS_SetPropertyStr(js, globalThis, "texture", JS_DupValue(js,texture_proto));
   
   //JS_SetPropertyStr(js, globalThis, "steam", js_init_steam(js));
-
+  
   sound_proto = JS_NewObject(js);
   JS_SetPropertyStr(js,globalThis, "sound_proto", sound_proto);
   JS_SetPropertyFunctionList(js, sound_proto, js_sound_funcs, countof(js_sound_funcs));
@@ -1568,7 +1559,3 @@ void ffi_load() {
   
   JS_FreeValue(js,globalThis);  
 }
-
-void ffi_stop()
-{
-}
\ No newline at end of file
diff --git a/source/engine/jsffi.h b/source/engine/jsffi.h
index 9642510..67d28b7 100644
--- a/source/engine/jsffi.h
+++ b/source/engine/jsffi.h
@@ -120,7 +120,6 @@ JS_SetClassProto(js, js_##TYPE##_id, TYPE##_proto); \
 #define countof(x) (sizeof(x)/sizeof((x)[0]))
 
 void ffi_load();
-void ffi_stop();
 
 JSValue vec22js(HMM_Vec2 v);
 HMM_Vec2 js2vec2(JSValue v);
diff --git a/source/engine/script.c b/source/engine/script.c
index 9eb4ad4..62b664c 100644
--- a/source/engine/script.c
+++ b/source/engine/script.c
@@ -24,7 +24,7 @@ void script_startup() {
   size_t len;
   char *eng = slurp_text("scripts/engine.js", &len);
   JSValue v = script_eval("scripts/engine.js", eng);
-  JS_FreeValue(js,v);
+  JS_FreeValue(js, v);
   free(eng);
 }
 static int stopped = 0;
@@ -35,17 +35,19 @@ void script_stop()
 return;
 #endif
   printf("FREEING CONTEXT\n");
-  ffi_stop();
-  JS_FreeContext(js);
+
   script_gc();
-  JS_FreeRuntime(rt);
+
+  JS_FreeContext(js);
   js = NULL;
+  JS_FreeRuntime(rt);
   rt = NULL;
 }
 
 void script_gc() { JS_RunGC(rt); }
 
 void js_stacktrace() {
+  if (!js) return;
 #ifndef NDEBUG
   script_evalf("console.stack();");
 #endif
@@ -53,13 +55,19 @@ void js_stacktrace() {
 
 void script_evalf(const char *format, ...)
 {
-  char fmtbuf[4096];
+  JSValue obj;
   va_list args;
   va_start(args, format);
-  vsnprintf(fmtbuf, 4096, format, args);
+  int len = vsnprintf(NULL, 0, format, args);
+  va_end(args);
+  
+  char *eval = malloc(len+1);
+  va_start(args, format);
+  vsnprintf(eval, len+1, format, args);
   va_end(args);
 
-  JSValue obj = JS_Eval(js, fmtbuf, strlen(fmtbuf), "C eval", JS_EVAL_FLAGS);
+  obj = JS_Eval(js, eval, len, "C eval", JS_EVAL_FLAGS);
+  free(eval);
   js_print_exception(obj);
   JS_FreeValue(js,obj);
 }
diff --git a/source/engine/thirdparty/quickjs/quickjs.c b/source/engine/thirdparty/quickjs/quickjs.c
index d5284c1..9132a5c 100644
--- a/source/engine/thirdparty/quickjs/quickjs.c
+++ b/source/engine/thirdparty/quickjs/quickjs.c
@@ -114,17 +114,17 @@ void quickjs_set_dumpout(FILE *f)
 #ifdef DUMP
 //#define DUMP_FREE
 #define DUMP_MEM
-#define DUMP_CLOSURE
+//#define DUMP_CLOSURE
 #define DUMP_GC
-#define DUMP_GC_FREE
+//#define DUMP_GC_FREE
 #define DUMP_LEAKS 1
-#define DUMP_OBJECTS
+//#define DUMP_OBJECTS
 #define DUMP_CLOSURE
-#define DUMP_OBJECTS
-#define DUMP_ATOMS
-#define DUMP_SHAPES
-#define DUMP_MODULE_RESOLVE
-#define DUMP_PROMISE
+//#define DUMP_OBJECTS
+//#define DUMP_ATOMS
+//#define DUMP_SHAPES
+//#define DUMP_MODULE_RESOLVE
+//#define DUMP_PROMISE
 #endif
 
 /* test the GC by forcing it before each object allocation */
diff --git a/source/engine/yugine.c b/source/engine/yugine.c
index a6699e5..d7b2535 100644
--- a/source/engine/yugine.c
+++ b/source/engine/yugine.c
@@ -85,6 +85,7 @@ void seghandle()
 }
 
 void c_clean() {
+  JS_FreeValue(js, c_process_fn);
   cleanup();
   gif_rec_end("out.gif");
   saudio_shutdown();