Very, VERY fun game. Well worth the 2 hours I spent playing through it and it is a cruel steal that this game is free right now. PLAY. THIS. GAME. My only gripe is that the difficulty curve is kind of weird. You are definitely weakest in the beginning of the game but as the game progresses you just get stronger and stronger - eventually getting to a point where you are unkillable, meanwhile the gameplay and the monsters itself does not really get harder to match. I don't exactly have an idea on how to solve this problem, but the game is well worth a play regardless.