Team Fortress 2 is a team based first person shooter (FPS) game developed by Valve Corporation. Team Fortress 2 is free to play and can be downloaded for free on your Mac via Steam. The game has 2 opposing teams: Reliable Excavation & Demolition (RED) and Builders League United (BLU) which have several character classes to choose from which have different roles, these are: Scout, Soldier, Pyro, Demoman, Engineer, Heavy, Sniper, Medic and Spy. Each of these character classes have their strengths and weaknesses. The objective is to defeat your opponent. You also have different game modes such as: Arena, Control Mode and Capture the Flag.
Mac OS X Leopard 10.5.8 or Snow Leopard 10.6.3
1 GB RAM
NVIDIA GeForce 8 / ATI X1600 graphics card or higher
Free download at steampowered.com