Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

Featuring a lot of custom maps and improvements from the Xash3D engine, compatible with cross-play on PC, PlayStation 3 and any platform that supports it, also supports Xinput controllers.