diff --git a/client/gameplay_scenes/world_characters.cpp b/client/gameplay_scenes/world_characters.cpp
index 74fc3bc..20ebd5c 100644
--- a/client/gameplay_scenes/world_characters.cpp
+++ b/client/gameplay_scenes/world_characters.cpp
@@ -223,6 +223,7 @@ std::list<BoundingBox> World::GenerateCollisionGrid(Entity* ptr, int tileWidth,
 		//inner loop
 		wallBounds.y = snapToBase((double)wallBounds.h, ptr->GetOrigin().y);
 		while(wallBounds.y < (ptr->GetOrigin() + ptr->GetBounds()).y + ptr->GetBounds().h) {
+			//BUG: #45 this is the culprit; it's pulling regions into existance
 			//check to see if this tile is solid
 			if (regionPager.GetSolid(wallBounds.x / wallBounds.w, wallBounds.y / wallBounds.h)) {
 				//push onto the box set
diff --git a/client/gameplay_scenes/world_logic.cpp b/client/gameplay_scenes/world_logic.cpp
index b09597f..05b7789 100644
--- a/client/gameplay_scenes/world_logic.cpp
+++ b/client/gameplay_scenes/world_logic.cpp
@@ -241,6 +241,12 @@ void World::KeyDown(SDL_KeyboardEvent const& event) {
 			//TODO: (3) the escape key should actually control menus and stuff
 			SendLogoutRequest();
 		return;
+
+		case SDLK_SPACE:
+			//DEBUG: testing bug #45
+			//reset the map
+			regionPager.UnloadAll();
+		return;
 	}
 
 	//character movement
diff --git a/client/gameplay_scenes/world_map.cpp b/client/gameplay_scenes/world_map.cpp
index d2651fe..f023ea8 100644
--- a/client/gameplay_scenes/world_map.cpp
+++ b/client/gameplay_scenes/world_map.cpp
@@ -29,12 +29,13 @@
 //static functions
 //-------------------------
 
+//TODO: proper checksum
 static int regionChecksum(Region* const region) {
 	int sum = 0;
 	for(int i = 0; i < REGION_WIDTH; i++) {
 		for (int j = 0; j < REGION_HEIGHT; j++) {
 			for (int k = 0; k < REGION_DEPTH; k++) {
-				sum += region->GetTile(i, j, k);
+				sum |= region->GetTile(i, j, k);
 			}
 		}
 	}
diff --git a/client/menu_scenes/splash_screen.cpp b/client/menu_scenes/splash_screen.cpp
index 48f08aa..fbadeb6 100644
--- a/client/menu_scenes/splash_screen.cpp
+++ b/client/menu_scenes/splash_screen.cpp
@@ -51,6 +51,7 @@ SplashScreen::~SplashScreen() {
 //-------------------------
 
 void SplashScreen::FrameStart() {
+	//TODO: config flag to change the delay
 	if (std::chrono::steady_clock::now() - startTick > std::chrono::duration<int>(3)) {
 		SetSceneSignal(SceneSignal::MAINMENU);
 	}