Counter-Strike: Source (also known as CS: Source or simply CS:S) is a multiplayer, team-based tactical first-person shooter, developed by Valve and Turtle Rock Studios. It is a remake of Counter-Strike, the 1999 modification of Half-Life. Built on the Source engine, the game was released in 2004 along...

SWAT 4 is a tactical first-person shooter computer game developed by Irrational Games and released by Vivendi Universal on April 5, 2005. It was built on Irrational Games’s Vengeance engine powered by Unreal Engine 2.0 technology. SWAT 4 puts the player into the role of a SWAT team leader where he...