Sid Meier's Alpha Centauri

Sid Meier's Alpha Centauri (SMAC) is the critically acclaimed science fiction 4X turn-based strategy video game sequel to the Civilization series. Sid Meier, designer of Civilization, and Brian Reynolds, designer of Civilization II, developed Alpha Centauri after they left MicroProse to join the newly-created developer Firaxis Games. Electronic Arts released both SMAC and its expansion, Sid Meier's Alien Crossfire (SMAX), in 1999.

Indigo Prophecy

A.k.a Farenheit.
Players control multiple characters as the seek to uncover mysteries and stay alive. Actions taken in the game will have a significant impact on how the story plays out and flows. The game has many timed sequences which require players to think quickly and prioritize their actions. Always check the stalls before you take care of business.

Stubbs the Zombie in "Rebel Without a Pulse"

Stubbs the Zombie in Rebel Without a Pulse is a third-person action video game developed by Wideload Games and published by Aspyr Media, and built with the Halo engine. The game takes place in the fictional city of Punchbowl, Pennsylvania at its opening ceremony in 1959. It just so happens that the city, founded by Andrew Monday, Maggie's son, has been built directly on top of Stubbs' not-so-final resting place.

Hitman: Codename 47

The story centers around Agent 47, a bald test subject branded with a barcode tattooed on the back of his head, who is rigorously trained in methods of murder. Upon escaping from a test facility, 47 is hired by the Agency, a European contract killing organization. His mission takes him to several locations in Asia and Europe to assassinate wealthy and decadent criminals.

Civilization II

Civilization II is the second game in the legendary strategy game series by the legendary game designer Sid Meier. You must guide a small tribe to grow and become a great empire in competition with as many as seven other tribes. You must make decisions that affect exploration, war, diplomacy, city growth, and the discovery of new technologies, the results of which will ultimately define your empire and what it is capable of achieving. Civ2 was designed for Windows from the ground up, and the "original" version is designed for Windows, not DOS.

Turok: Dinosaur Hunter

This is a fast-paced FPS similar to the original Doom series. Players progress through expansive environments seeking keys to unlock additional levels. The game uses a hub/teleportation system to help the player navigate the different levels. The array of weaponry available is one of the finest ever to grace a FPS. Fusion Cannon = Photon Torpedo Launcher.

Divine Divinity

Developed by Larian Studios, Divine Divinity is an action RPG. This game employs a top-down perspective with mouse-based movement and actions. Combat is fast and geared towards experienced gamers.

The gameworld allows for nonlinear exploration and questing. Character development is a customizable class-based system.

Don't be put off by the goofy title, this game is a gem.

Shogo: Mobile Armor Division

Shogo was developed by Monolith productions. This game is a FPS with a supporting narrative. Players fight in giant "mecha" or on foot. A different selection of weapons is available for both combat modes. Player decisions made during the game can have an impact on the game's narrative and the opponents who will be encountered. Have fun stepping on the little humans.

BioShock

Bioshock is Ken Levine's vision of a paradise lost. This first person shooter is considered the spiritual successor to the System Shock series. The game takes place in the underwater utopian city Rapture as it is in a state of impending collapse. You must survive the horrors that await.

Bioshock is a FPS developed by 2K Boston/2K Australia. It is set in a 1960 that got a big dose of science fiction.

Star Wars: Knights of the Old Republic

The game details events that occurred thousands of years before any of the Star Wars movies. A Sith Lord called Darth Malak is intent on destroying the Republic and needs a lightsaber swatting. Players can recruit several different NPCs and have active parties of three characters. Battles are a mix of turn-based and real-time actions. NPCs are a collection of humans, droids, and other assorted alien things. Party members develop based on class and player customization decisions. A lovely array of Force powers is available for your adventuring pleasure.