Need to check if game is a valid pointer before resetting!

src/level/levelload.cpp

@@ -820,8 +820,10 @@ int Level::load (char *fileName, unsigned char diff, bool checkpoint) {
 	} else file->seek(4, false);
 
 	// Set the players' initial values
+	if(game) {
 		for (count = 0; count < nPlayers; count++)
 			game->resetPlayer(players + count);
+    }
 
 	// Next level
 	x = file->loadChar();