diff --git a/TODO.txt b/TODO.txt
index 1445830..bed7bba 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -2,6 +2,8 @@ fuck issue trackers :D
 
 =========== GENERAL ==============
 
+- stop playing engine sound when replay finishes
+- LCR_SETTING_TEXTURE_SUBSAMPLE = 0 should turn off texturing completely
 - maybe address the jerky rotations? or not?
 - add (digital) controller support to SDL and CSFML?
 - frontends:
@@ -15,6 +17,7 @@ fuck issue trackers :D
   - linux framebuffer?
 - make some kinda repo for world record runs? how will they submit it?
 - final tests:
+  - check every single setting individually
   - very long replay DID 1x
   - absence of music file
   - different resolutions KINDA DID 1x
@@ -39,6 +42,8 @@ fuck issue trackers :D
 
 =========== BUGS =================
 
+- camera follow speed depends on FPS, it's slower with low FPS, but this is no
+  big deal, it's only noticable with extremely high/low FPS -- fix or not?
 - replay loading BUG! somehow map2 replay was saves with hash 05ef0ab1 instead
   of correct 3c5ba5dd once, WTF, check where hash gets modified
 
diff --git a/frontend_sdl.c b/frontend_sdl.c
index 6469449..5c415f4 100644
--- a/frontend_sdl.c
+++ b/frontend_sdl.c
@@ -35,6 +35,7 @@ SDL_Window *window;
 SDL_Renderer *renderer;
 SDL_Texture *texture;
 SDL_Surface *screenSurface;
+SDL_GameController *sdlController;
 
 uint8_t running = 1, fullscreen = 1;
 
@@ -184,6 +185,10 @@ int main(int argc, char *argv[])
   puts("initializing SDL");
   SDL_Init(SDL_INIT_AUDIO);
 
+  sdlController = SDL_GameControllerOpen(0);
+
+  puts(sdlController ? "found a controller" : "no controller found");
+
   puts("initializing audio");
   SDL_AudioSpec audioSpec;
   SDL_memset(&audioSpec,0,sizeof(audioSpec));
@@ -264,9 +269,9 @@ int main(int argc, char *argv[])
 
   closeDataFile();
 
+  SDL_GameControllerClose(sdlController);
   SDL_PauseAudio(1);
   SDL_CloseAudio();
-
   SDL_DestroyTexture(texture);
   SDL_DestroyRenderer(renderer); 
   SDL_DestroyWindow(window); 
diff --git a/game.h b/game.h
index f270cee..ffc9d8c 100644
--- a/game.h
+++ b/game.h
@@ -1671,10 +1671,12 @@ void LCR_gameHandleInput(void)
           if (mapIndex < -1)
           {
             LCR_LOG1("couldn't load replay");
+            LCR_gamePopupMessage(LCR_texts[LCR_TEXTS_FAIL]);
           }
           else if (mapIndex == -1)
           {
             LCR_LOG1("couldn't load replay map");
+            LCR_gamePopupMessage(LCR_texts[LCR_TEXTS_FAIL]);
           }
           else
             LCR_gameSetState(LCR_GAME_STATE_LOADING);
diff --git a/general.h b/general.h
index c999bf1..1b4e058 100644
--- a/general.h
+++ b/general.h
@@ -14,6 +14,10 @@
 #include <stdint.h>
 #include "settings.h"
 
+#if defined(_WIN32) || defined(WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__)
+  #warning "Your OS sucks, go fuck yourself."
+#endif
+
 #define LCR_EFFECTIVE_RESOLUTION_X \
   (LCR_SETTING_RESOLUTION_X / LCR_SETTING_RESOLUTION_SUBDIVIDE)
 
diff --git a/settings.h b/settings.h
index 31cb258..cdeaa3b 100644
--- a/settings.h
+++ b/settings.h
@@ -61,7 +61,7 @@
 
 #ifndef LCR_SETTING_SKY_SIZE
   /** Size of sky texture pixel, 0 turns off sky rendering. */
-  #define LCR_SETTING_SKY_SIZE 4
+  #define LCR_SETTING_SKY_SIZE 2
 #endif
 
 #ifndef LCR_SETTING_MAP_MAX_BLOCKS