
Doom is a 1993 first-person shooter (FPS) game developed by id Software for MS-DOS. Players assume the role of a space marine, popularly known as Doomguy, fighting their way through hordes of invading demons from hell. Id began developing Doom after the release of their previous FPS, Wolfenstein 3D (1992).

Quake is a first-person shooter game developed by id Software and published by GT Interactive. The first game in the Quake series, it was originally released for MS-DOS, Microsoft Windows and Linux in 1996, followed by Mac OS and Sega Saturn in 1997 and Nintendo 64 in 1998.

Painkiller is a first-person horror shooter, designed to satisfy a gamer’s hunger for intense, fast-paced action. It’s an adrenaline addict’s nightmare, where hellish monsters swarm in seemingly endless mobs. Graphically, Painkiller is unmatched.

Halo is a military science fiction media franchise, originally developed by Bungie and currently managed and developed by 343 Industries, part of Microsoft’s Xbox Game Studios. Primarily taking place in the 26th century, the franchise centers on conflicts between humanity and a variety of alien species.