diff --git a/include/setup.h b/include/setup.h
index bf9fa87..e88a8c6 100644
--- a/include/setup.h
+++ b/include/setup.h
@@ -12,4 +12,5 @@
 
 int start_game();
 
-void start_button(gc_engine *engine, int entity_id);
\ No newline at end of file
+bool start_button(gc_engine *engine, int entity_id);
+bool quit(gc_engine *engine, int entity_id);
\ No newline at end of file
diff --git a/lib/gamacon b/lib/gamacon
index 5ed8d1d..334073e 160000
--- a/lib/gamacon
+++ b/lib/gamacon
@@ -1 +1 @@
-Subproject commit 5ed8d1d36be6a27a5309ccae79ad269c83ee85c4
+Subproject commit 334073ea43a7d84d5f7dfb63d23d48e802e80b68
diff --git a/prefabs/mainmenu.gcprefab b/prefabs/mainmenu.gcprefab
index 130616d..4c65fbc 100644
--- a/prefabs/mainmenu.gcprefab
+++ b/prefabs/mainmenu.gcprefab
@@ -5,8 +5,9 @@
         <font src="assets/fonts/roboto.ttf" />
     </data>
     <gc_entities>
-    	<panel src="panel" x="50%" y="40%" width="300" height="50%"/>
+    	<panel src="panel" x="50%" y="40%" width="300" height="55%"/>
     	<text text="DPR tycoon" x="50%" y="25%"/>
     	<button text="Start Game" x="50%" y="50%" click="start_button" color="black" />
+    	<button text="Quit game" x="50%" y="60%" click="quit" color="black" />
     </gc_entities>
 </gc_scene>
\ No newline at end of file
diff --git a/src/game_loader.c b/src/game_loader.c
index d2845a3..6451ec5 100644
--- a/src/game_loader.c
+++ b/src/game_loader.c
@@ -13,6 +13,7 @@ int register_customcmps(gc_engine *engine)
 {
     engine->finish_physics(engine);
 	engine->add_callback(engine, "start_button", &start_button);
+	engine->add_callback(engine, "quit", &quit);
     return (0);
 }
 
diff --git a/src/main_menu.c b/src/main_menu.c
index 3f231a7..1686918 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -6,7 +6,7 @@
 #include "scene.h"
 #include "my.h"
 
-void start_button(gc_engine *engine, int entity_id)
+bool start_button(gc_engine *engine, int entity_id)
 {
 	gc_scene *scene = scene_create(engine, "prefabs/game.gcprefab");
 	if (!scene) {
@@ -14,4 +14,11 @@ void start_button(gc_engine *engine, int entity_id)
 		my_printf("The game scene couldn't be found.\n");
 	}
 	engine->change_scene(engine, scene);
+	return (true);
+}
+
+bool quit(gc_engine *engine, int entity_id)
+{
+	engine->should_close = true;
+	return (true);
 }
\ No newline at end of file