Quake 4 is a first-person shooter video game developed by Raven Software and published by Activision. Plotwise, the game is a sequel to Quake II. After the successful assassination of the Strogg’s leader, Earth’s military reignited its attack on the hostile aliens’ homeworld of Stroggos. As Marine Corporal Matthew Kane of the elite Rhino Squad, your mission is to spearhead the invasion. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

• Quake 4