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Hexen II is a first-person shooter developed by Raven Software from 1996 to 1997, published by id Software and distributed by Activision. It was the third game in the Hexen/Heretic series, and the last in the Serpent Riders trilogy. It was made available on Steam on August 3, 2007. Using a modified Quake engine, it featured single player and multiplayer game modes, as well as four character classes to choose from, each with different abilities. These included the offensive Paladin, the defensive Crusader, the spell-casting Necromancer, and the stealthy Assassin.

Quake II is a shooter from id Software and Activision, and the follow-up to. Unrelated to Quake plotwise, you play as a nameless space marine sent on an assault to the alien planet Stroggos, only to be shot down and separated from your squad. You must carry out the assault alone and destroy the Stroggos leader, therefore plunging Stroggos into a civil war in which Earth doesn't get hurt.

Proteus is a first-person indie game in which the player explores randomly generated island landscapes set against soothing, reactive musical soundscapes.

Advent Rising is a third-person action game developed by GlyphX Games. The story was created with the help of science fiction writer Orson Scott Card. Players control the human Gideon as he seeks revenge for the destruction of the human race by the Seekers. Another alien race, the Aurelians, unlock hidden powers within Gideon that allow him to break out the superhuman stick. Through repeated uses Gideon will grow more deadly with the weapons and abilities he possesses. A choice made early in the game will determine which set of cinematics the player will see as they progress through the game.

Tesla Effect: A Tex Murphy Adventure (developed under the working title Project Fedora) is the sixth game in the Tex Murphy series of detective adventure games, developed by Big Finish Games and published by Atlus. Like the previous three games, it tells much of its story through live-action full-motion video sequences, and features freely explorable 3D environments during gameplay.