abstract:Strafe-jumping is a form of trickjump used to increase a player's speed in computer games based on the Quake engine and now the Doom 3 engine. The technique is common in Half-Life 2, QuakeWorld, Quake II, Quake III Arena, Quake 4, QuakeLive, CodeRED: Alien Arena, Nexuiz, Xonotic, Cube, Jedi Knight II, Star Wars Jedi Knight: Jedi Academy, Uberstrike, Soldier of Fortune II, Doom 3, War§ow, Call Of Duty, Return to Castle Wolfenstein, Wolfenstein: Enemy Territory and Tremulous.