Gunrox Rush is a fun adventure style game that has many levels and even a multi-player online game in addition to the full version regular game. Use your W,A,S, and D keys to move around the board and the W key will jump you up in the air. Press the mouse to shoot. You can just hold down the mouse and it will continually shoot for you. Use the one through four keys to toggle through your weapons. Every time you level up you'll get to choose something to power up, like bullet speed, extra damage, or jump boosts. For some adventure and fun try Gunrox Rush!