This is a pretty good game for freeware, very polished graphics and ok gameplay, but I dont think it deserves to be rated above 90% since it's gameplay is pretty limited.
I keep playing and playing this game. It's so smooth, the feeling of flying in a room is great and the game's not incredibly difficult, so it's really fun to play it.
The game wouldn't be as fun to play, but I don't think that you should get damaged for hitting a wall or an object.
This game is addicting and its fun as hell!