diff --git a/Toy b/Toy
index 6901b9a..750ebd1 160000
--- a/Toy
+++ b/Toy
@@ -1 +1 @@
-Subproject commit 6901b9a6c9a2b3de99257b38d63b85100736281b
+Subproject commit 750ebd1f99f2a6a4e82e344d4f0c2a2b9da7b225
diff --git a/makefile b/makefile
index 0d4c8b4..678b2cb 100644
--- a/makefile
+++ b/makefile
@@ -5,29 +5,29 @@
 #LDFLAGS+=
 
 #directories
-export GAME_SOURCEDIR=source
-export GAME_OUTDIR=out
-export GAME_OBJDIR=obj
+export VAMP_SOURCEDIR=source
+export VAMP_OUTDIR=out
+export VAMP_OBJDIR=obj
 
 #Override Toy's build destination
 export TOY_SOURCEDIR=Toy/source
-export TOY_OUTDIR=../$(GAME_OUTDIR)
-export TOY_OBJDIR=$(GAME_OBJDIR)
+export TOY_OUTDIR=../$(VAMP_OUTDIR)
+export TOY_OBJDIR=$(VAMP_OBJDIR)
 
 #targets
-all: $(GAME_OUTDIR) Toy source
+all: $(VAMP_OUTDIR) Toy source
 
 .PHONY: source
 source:
-	$(MAKE) -C $(GAME_SOURCEDIR)
+	$(MAKE) -C $(VAMP_SOURCEDIR)
 
 .PHONY: Toy
 Toy:
 	$(MAKE) -C $(TOY_SOURCEDIR)
 
 #util targets
-$(GAME_OUTDIR):
-	mkdir $(GAME_OUTDIR)
+$(VAMP_OUTDIR):
+	mkdir $(VAMP_OUTDIR)
 
 #util commands
 .PHONY: clean
diff --git a/source/actor.c b/source/actor.c
index 6f63502..6b2ffdc 100644
--- a/source/actor.c
+++ b/source/actor.c
@@ -14,8 +14,9 @@ static Toy_Table* spriteTable = NULL;
 static Toy_Array* actorArray = NULL;
 
 //callbacks
-static void api_loadSprite(Toy_VM* vm) {
+static void api_loadSprite(Toy_VM* vm, Toy_FunctionNative* self) {
 	//key, file, width, height -> null
+	(void)self;
 
 	if (!IsWindowReady()) {
 		fprintf(stderr, TOY_CC_ERROR "ERROR: Can't load actor sprites before the window has been initialized" TOY_CC_RESET "\n");
@@ -79,8 +80,9 @@ static void api_loadSprite(Toy_VM* vm) {
 	Toy_freeValue(height);
 }
 
-static void api_spawnActorAt(Toy_VM* vm) {
+static void api_spawnActorAt(Toy_VM* vm, Toy_FunctionNative* self) {
 	//sprite, onStep, x, y -> void
+	(void)self;
 
 	//check for initialization
 	if (spriteTable == NULL || actorArray == NULL) {
@@ -141,9 +143,16 @@ static void api_spawnActorAt(Toy_VM* vm) {
 	//find an existing spot for the new actor, overwriting a dead one if able
 	ActorData* newActorPtr = NULL;
 	for (unsigned int i = 0; i < actorArray->count; i++) {
-		ActorData* mData = (ActorData*)TOY_VALUE_AS_OPAQUE(actorArray->data[i]);
-		if (!mData->enabled) { //if this actor is dead, steal the slot
-			newActorPtr = mData;
+		ActorData* actorData = (ActorData*)TOY_VALUE_AS_OPAQUE(actorArray->data[i]);
+		if (!actorData->enabled) { //if this actor is dead, steal the slot
+			//free the dead actor's internals
+			actorData->sprite = NULL;
+			if (actorData->onStep != NULL) {
+				Toy_freeFunction(actorData->onStep);
+				actorData->onStep = NULL;
+			}
+
+			newActorPtr = actorData;
 			break;
 		}
 	}
@@ -219,6 +228,20 @@ void freeActorAPI(Toy_VM* vm) {
 	Toy_freeTable(spriteTable);
 	spriteTable = NULL;
 
+	//unload each actor's members
+	for (unsigned int i = 0; i < actorArray->count; i++) {
+		ActorData* actorData = (ActorData*)TOY_VALUE_AS_OPAQUE(actorArray->data[i]);
+
+		//free the dead actor's internals
+		actorData->sprite = NULL;
+		if (actorData->onStep != NULL) {
+			Toy_freeFunction(actorData->onStep);
+			actorData->onStep = NULL;
+		}
+		actorData->position = (Vector2){0,0};
+		actorData->enabled = false;
+	}
+
 	actorArray = Toy_resizeArray(actorArray, 0);
 }
 
@@ -254,7 +277,6 @@ void processActors(Toy_VM* vm) {
 
 
 		//inject this actor as a parameter
-		subVM.scope = Toy_pushScope(&subVM.memoryBucket, subVM.scope);
 		Toy_declareScope(subVM.scope, name, paramType, Toy_copyValue(&subVM.memoryBucket, actorArray->data[i]), true);
 
 		//run
@@ -381,7 +403,9 @@ ActorData* spawnActorAt(Toy_Bucket** bucketHandle, Toy_Value key, Toy_Function*
 }
 
 //opaque handler
-static void attr_actorSetX(Toy_VM* vm) {
+static void attr_actorSetX(Toy_VM* vm, Toy_FunctionNative* self) {
+	(void)self;
+
 	Toy_Value compound = Toy_popStack(&vm->stack);
 	Toy_Value x = Toy_popStack(&vm->stack);
 
@@ -394,7 +418,9 @@ static void attr_actorSetX(Toy_VM* vm) {
 	actor->position.x = TOY_VALUE_AS_INTEGER(x);
 }
 
-static void attr_actorSetY(Toy_VM* vm) {
+static void attr_actorSetY(Toy_VM* vm, Toy_FunctionNative* self) {
+	(void)self;
+
 	Toy_Value compound = Toy_popStack(&vm->stack);
 	Toy_Value y = Toy_popStack(&vm->stack);
 
diff --git a/source/main.c b/source/main.c
index 962c834..8a05d0f 100644
--- a/source/main.c
+++ b/source/main.c
@@ -73,7 +73,9 @@ static Toy_Function* onFrame = NULL;
 static Toy_Function* onClose = NULL;
 
 //game API definitions
-void initScreen(Toy_VM* vm) {
+void api_initScreen(Toy_VM* vm, Toy_FunctionNative* self) {
+	(void)self;
+
 	Toy_Value caption = Toy_popStack(&vm->stack);
 	Toy_Value height = Toy_popStack(&vm->stack);
 	Toy_Value width = Toy_popStack(&vm->stack);
@@ -97,7 +99,9 @@ void initScreen(Toy_VM* vm) {
 	Toy_freeValue(caption);
 }
 
-void initLoop(Toy_VM* vm) {
+void api_initLoop(Toy_VM* vm, Toy_FunctionNative* self) {
+	(void)self;
+
 	Toy_Value valueOnClose = Toy_popStack(&vm->stack);
 	Toy_Value valueOnFrame = Toy_popStack(&vm->stack);
 	Toy_Value valueOnReady = Toy_popStack(&vm->stack);
@@ -147,8 +151,8 @@ typedef struct CallbackPairs {
 } CallbackPairs;
 
 static CallbackPairs callbackPairs[] = {
-	{"initScreen", initScreen},
-	{"initLoop", initLoop},
+	{"initScreen", api_initScreen},
+	{"initLoop", api_initLoop},
 	{NULL, NULL},
 };
 
diff --git a/source/makefile b/source/makefile
index b8fe474..69661aa 100644
--- a/source/makefile
+++ b/source/makefile
@@ -9,54 +9,54 @@ ifeq ($(shell uname),Darwin) #make sure there's enough space for the dylib fix
 endif
 
 #directories
-REPL_ROOTDIR=..
-REPL_REPLDIR=.
-REPL_SOURCEDIR=$(REPL_ROOTDIR)/$(TOY_SOURCEDIR)
+GAME_ROOTDIR=..
+GAME_SOURCEDIR=.
+GAME_TOYDIR=$(GAME_ROOTDIR)/$(TOY_SOURCEDIR)
 
-REPL_OUTDIR=$(REPL_ROOTDIR)/$(GAME_OUTDIR)
-REPL_OBJDIR=$(TOY_OBJDIR)
+GAME_OUTDIR=$(GAME_ROOTDIR)/$(VAMP_OUTDIR)
+GAME_OBJDIR=$(VAMP_OBJDIR)
 
 #file names
-REPL_REPLFILES=$(wildcard $(REPL_REPLDIR)/*.c)
-REPL_OBJFILES=$(addprefix $(REPL_OBJDIR)/,$(notdir $(REPL_REPLFILES:.c=.o)))
-REPL_TARGETNAME=vampires
+GAME_SOURCEFILES=$(wildcard $(GAME_SOURCEDIR)/*.c)
+GAME_OBJFILES=$(addprefix $(GAME_OBJDIR)/,$(notdir $(GAME_SOURCEFILES:.c=.o)))
+GAME_TARGETNAME=vampires
 
 #file extensions
 ifeq ($(OS),Windows_NT)
-	REPL_TARGETEXT=.exe
+	GAME_TARGETEXT=.exe
 else
-	REPL_TARGETEXT=.out
+	GAME_TARGETEXT=.out
 endif
 
 #linker fix
-LDFLAGS+=-L$(realpath $(REPL_OUTDIR))
+LDFLAGS+=-L$(realpath $(GAME_OUTDIR))
 
 #build the object files, compile the test cases, and run
 all: build link
 
 #targets for each step
 .PHONY: build
-build: $(REPL_OBJDIR) $(REPL_OBJFILES)
+build: $(GAME_OBJDIR) $(GAME_OBJFILES)
 
 .PHONY: link
-link: $(REPL_OUTDIR) $(REPL_OUTDIR)/$(REPL_TARGETNAME)$(REPL_TARGETEXT)
+link: $(GAME_OUTDIR) $(GAME_OUTDIR)/$(GAME_TARGETNAME)$(GAME_TARGETEXT)
 
 #util targets
-$(REPL_OUTDIR):
-	mkdir $(REPL_OUTDIR)
+$(GAME_OUTDIR):
+	mkdir $(GAME_OUTDIR)
 
-$(REPL_OBJDIR):
-	mkdir $(REPL_OBJDIR)
+$(GAME_OBJDIR):
+	mkdir $(GAME_OBJDIR)
 
 #compilation steps
-$(REPL_OBJDIR)/%.o: $(REPL_REPLDIR)/%.c
-	$(CC) -c -o $@ $< $(addprefix -I,$(REPL_REPLDIR)) $(addprefix -I,$(REPL_SOURCEDIR)) $(CFLAGS)
+$(GAME_OBJDIR)/%.o: $(GAME_SOURCEDIR)/%.c
+	$(CC) -c -o $@ $< $(addprefix -I,$(GAME_SOURCEDIR)) $(addprefix -I,$(GAME_TOYDIR)) $(CFLAGS)
 
-$(REPL_OUTDIR)/$(REPL_TARGETNAME)$(REPL_TARGETEXT): $(REPL_OBJFILES)
-	$(CC) -DTOY_IMPORT $(CFLAGS) -o $@ $(REPL_OBJFILES) $(LDFLAGS) $(LIBS)
+$(GAME_OUTDIR)/$(GAME_TARGETNAME)$(GAME_TARGETEXT): $(GAME_OBJFILES)
+	$(CC) -DTOY_IMPORT $(CFLAGS) -o $@ $(GAME_OBJFILES) $(LDFLAGS) $(LIBS)
 ifeq ($(shell uname),Darwin) #dylib fix
 	otool -L $@
 	install_name_tool -add_rpath @executable_path/. $@
-	install_name_tool -change $(REPL_OUTDIR)/libToy.dylib @executable_path/libToy.dylib $@
+	install_name_tool -change $(GAME_OUTDIR)/libToy.dylib @executable_path/libToy.dylib $@
 	otool -L $@
 endif