Produced in 2005 by Raven Software in association with id Software, Quake 4 is a role-playing sci-fi first-person shooter and a direct sequel to Quake II, also featuring arena multiplayer. PlotAfter successfully killing the leader of the Strogg, the Earth army launched another attack on the aliens' home planet – the Stroggos. As Marine Corporal Matthew Kane of the elite Rhino squad, you are at the forefront of the invasion. During this desperate war for humanity's survival in the face of an uncompromising enemy, you'll discover that the only way to defeat them is... become one of them. Features Play a direct sequel to Quake II in this story campaign. Upgrade and use an arsenal of advanced weapons as you battle against the Strogg army. Fight your way through hordes of Strogg with mechanized walking machines and flying tanks. Compete in online multiplayer as a Strogg or marine in deathmatch, team deathmatch, and flag capture.