diff --git a/Makefile b/Makefile
index 7d4b5a5..0883793 100755
--- a/Makefile
+++ b/Makefile
@@ -99,6 +99,8 @@ DEPENDS = $(objects:.o=.d)
 ENGINE = $(BIN)libengine.a
 INCLUDE = $(BIN)include
 
+SCRIPTS = $(shell ls source/scripts/*.js)
+
 LINK = $(LIBPATH) $(LINKER_FLAGS) $(ELIBS)
 
 MYTAG = $(VER)_$(PTYPE)_$(INFO)
@@ -114,7 +116,7 @@ $(BIN)$(NAME): $(objprefix)/source/engine/yugine.o $(ENGINE) $(BIN)libquickjs.a
 	$(CC) $< $(LINK) -o $(BIN)$(NAME)
 	@echo Finished build
 
-$(BIN)$(DIST): $(BIN)$(NAME) source/shaders/* source/scripts/* assets/*
+$(BIN)$(DIST): $(BIN)$(NAME) source/shaders/* $(SCRIPTS) assets/*
 	@echo Creating distribution $(DIST)
 	@mkdir -p $(BIN)dist
 	@cp $(BIN)$(NAME) $(BIN)dist
diff --git a/source/scripts/base.js b/source/scripts/base.js
index 8814d65..98d9dbe 100644
--- a/source/scripts/base.js
+++ b/source/scripts/base.js
@@ -24,6 +24,12 @@ Object.defineProperty(Object.prototype, 'getOwnPropertyDescriptors', {
   }
 });
 
+Object.defineProperty(Object.prototype, 'obscure', {
+  value: function(name) {
+    Object.defineProperty(this, name, { enumerable: false });
+  }
+});
+
 Object.defineProperty(Object.prototype, 'hasOwn', {
   value: function(x) { return this.hasOwnProperty(x); }
 });
@@ -609,3 +615,4 @@ function sortpointsccw(points)
   
   return ccw.map(function(x) { return x.add(cm); });
 }
+
diff --git a/source/scripts/components.js b/source/scripts/components.js
index 70a20ae..912b0ec 100644
--- a/source/scripts/components.js
+++ b/source/scripts/components.js
@@ -136,10 +136,14 @@ var char2d = clone(sprite, {
   make(go) {
     var char = clone(this);
     char.curplaying = char.anims.array()[0];
+    char.obscure('curplaying');
     Object.defineProperty(char, 'id', {value:make_sprite(go,char.curplaying.path,this.pos)});
+    char.obscure('id');
     char.frame = 0;
     char.timer = timer.make(char.advance.bind(char), 1/char.curplaying.fps);
     char.timer.loop = true;
+    char.obscure('timer');
+    char.obscure('rect');
     char.setsprite();
     return char;
   },
diff --git a/source/scripts/diff.js b/source/scripts/diff.js
index 05444d3..b12348d 100644
--- a/source/scripts/diff.js
+++ b/source/scripts/diff.js
@@ -85,9 +85,11 @@ function deep_merge(target, source)
   Log.warn("Doing a deep merge ...");
   for (var key in source) {
     if (typeof source[key] === 'object' && !Array.isArray(source[key])) {
+            Log.warn(`Deeper merge on ${key}`);
       deep_merge(target[key], source[key]);
     }
     else {
+      Log.warn(`Setting key ${key}`);    
       target[key] = source[key];
     }
   }
diff --git a/source/scripts/engine.js b/source/scripts/engine.js
index 86b3e38..184e360 100644
--- a/source/scripts/engine.js
+++ b/source/scripts/engine.js
@@ -1761,3 +1761,5 @@ for (var key in prototypes) {
 }
 
 function save_gameobjects_as_prototypes() { slurpwrite(JSON.stringify(gameobjects,null,2), "proto.json"); };
+
+Resources = {};