diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7160e4..bad3757 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,7 @@ install(FILES
 		include/Game.h
 		include/Window.h
 		include/Renderer.h
+		include/ObjectStore.h
 	CONFIGURATIONS Release
 	DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
diff --git a/include/ObjectStore.h b/include/ObjectStore.h
new file mode 100644
index 0000000..384645d
--- /dev/null
+++ b/include/ObjectStore.h
@@ -0,0 +1,13 @@
+#ifndef OBJECT_STORE_H
+#define OBJECT_STORE_H
+
+#include "Renderer.h"
+
+typedef void (*UpdateFuncPtr)(float delta, void *object);
+typedef void (*RenderFuncPtr)(Renderer *renderer, void *object);
+
+typedef struct object_store ObjectStore;
+
+void add_object_to_store(ObjectStore *os, UpdateFuncPtr uf, RenderFuncPtr rf);
+
+#endif // !OBJECT_STORE_H
diff --git a/src/Game.c b/src/Game.c
index 82077c1..7b6bb6c 100644
--- a/src/Game.c
+++ b/src/Game.c
@@ -1,5 +1,6 @@
 #include "Game.h"
 #include "SDL.h"
+#include "SDL_error.h"
 #include "SDL_events.h"
 #include "SDL_pixels.h"
 #include "Window.h"
@@ -21,7 +22,7 @@ bool init_game(const char *game_name, int window_width, int window_height,
                bool full_screen) {
   if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
 #ifdef DEBUG_ENGINE
-    printf("Failed to initialise game\n");
+    printf("Failed to initialise SDL. Error: %s\n", SDL_GetError());
 #endif /* DEBUG_ENGINE */
 
     return false;
@@ -30,7 +31,7 @@ bool init_game(const char *game_name, int window_width, int window_height,
   if (!init_window(&(Game.window), game_name, window_width, window_height,
                    full_screen)) {
 #ifdef DEBUG_ENGINE
-    printf("Failed to initialise game\n");
+    printf("Failed to initialise window\n");
 #endif /* DEBUG_ENGINE */
 
     return false;