diff --git a/main.c b/main.c
index 8d0837b..d2a4e6d 100755
--- a/main.c
+++ b/main.c
@@ -521,7 +521,12 @@ void SFG_gameStep()
     SFG_player.verticalSpeed = 0;
 #else
   RCL_Unit verticalOffset = 
-    (SFG_keyPressed(SFG_KEY_JUMP) && (SFG_player.verticalSpeed == 0) &&
+    (  
+      (
+        SFG_keyPressed(SFG_KEY_JUMP) ||
+        (SFG_keyPressed(SFG_KEY_UP) && SFG_keyPressed(SFG_KEY_C))
+      ) &&
+      (SFG_player.verticalSpeed == 0) &&
       (SFG_player.previousVerticalSpeed == 0)) ?
     SFG_PLAYER_JUMP_SPEED :
     (SFG_player.verticalSpeed - SFG_GRAVITY_SPEED_INCREASE_PER_FRAME);
diff --git a/platform_sdl.h b/platform_sdl.h
index 919b941..94c9906 100644
--- a/platform_sdl.h
+++ b/platform_sdl.h
@@ -36,17 +36,55 @@ int8_t SFG_keyPressed(uint8_t key)
 {
   switch (key)
   {
-    case SFG_KEY_UP: return sdlKeyboardState[SDL_SCANCODE_UP]; break;
-    case SFG_KEY_RIGHT: return sdlKeyboardState[SDL_SCANCODE_RIGHT]; break;
-    case SFG_KEY_DOWN: return sdlKeyboardState[SDL_SCANCODE_DOWN]; break;
-    case SFG_KEY_LEFT: return sdlKeyboardState[SDL_SCANCODE_LEFT]; break;
-    case SFG_KEY_A: return sdlKeyboardState[SDL_SCANCODE_A]; break;
-    case SFG_KEY_B: return sdlKeyboardState[SDL_SCANCODE_S]; break;
-    case SFG_KEY_C: return sdlKeyboardState[SDL_SCANCODE_D]; break;
+    case SFG_KEY_UP:
+      return sdlKeyboardState[SDL_SCANCODE_UP] ||
+             sdlKeyboardState[SDL_SCANCODE_W] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_8];
+      break;
 
-    case SFG_KEY_JUMP: return sdlKeyboardState[SDL_SCANCODE_SPACE]; break;
-    case SFG_KEY_STRAFE_LEFT: return sdlKeyboardState[SDL_SCANCODE_Q]; break;
-    case SFG_KEY_STRAFE_RIGHT: return sdlKeyboardState[SDL_SCANCODE_E]; break;
+    case SFG_KEY_RIGHT:
+      return sdlKeyboardState[SDL_SCANCODE_RIGHT] ||
+             sdlKeyboardState[SDL_SCANCODE_E] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_6];
+      break;
+
+    case SFG_KEY_DOWN:
+      return sdlKeyboardState[SDL_SCANCODE_DOWN] ||
+             sdlKeyboardState[SDL_SCANCODE_S] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_5]; 
+      break;
+
+    case SFG_KEY_LEFT:
+      return sdlKeyboardState[SDL_SCANCODE_LEFT] ||
+             sdlKeyboardState[SDL_SCANCODE_Q] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_4];
+      break;
+
+    case SFG_KEY_A:
+      return sdlKeyboardState[SDL_SCANCODE_G];
+      break;
+
+    case SFG_KEY_B:
+      return sdlKeyboardState[SDL_SCANCODE_H];
+      break;
+
+    case SFG_KEY_C:
+      return sdlKeyboardState[SDL_SCANCODE_J];
+      break;
+
+    case SFG_KEY_JUMP:
+      return sdlKeyboardState[SDL_SCANCODE_SPACE];
+      break;
+
+    case SFG_KEY_STRAFE_LEFT:
+      return sdlKeyboardState[SDL_SCANCODE_A] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_7];
+      break;
+
+    case SFG_KEY_STRAFE_RIGHT:
+      return sdlKeyboardState[SDL_SCANCODE_D] ||
+             sdlKeyboardState[SDL_SCANCODE_KP_9];
+      break;
 
     default: return 0; break;
   }