Puzzlr is a fast-paced multiplayer puzzle game based around teams working together to accomplish challenging puzzles and play through entertaining mini-games. It runs on a modified version of the Source Engine from 2007. As a result, this game has the minimal requirement of owning any Source game. Everything else will be provided by Puzzlr. This project is Open Source and can be followed on its Google Code page.
a button system pressed and not pressed
i know its being tested in cs:s >.> its just that source sdk is broken for orangebox games right now.