In Hide-n-Stab, everyone looks alike, but some characters are harmless NPCs while others are fellow players like yourself. Your goal is to find other players and kill them by stabbing them in the back, but whenever you attack, you'll be revealed as a player for a short time.
You can play in your browser, and I'd love to hear your feedback: http://54.244.244.60
The game was created with Haxe, using the HaxePunk game engine, which I'm a contributor to.