Ion Storm

Daikatana

In 2455 AD, Kage Mishima used the magical powers of Daikatana, the most powerful sword ever forged, to alter time and establish himself as supreme dictator. You are Hiro Miyamoto, one of the few people on earth who knows what happened. You and your two friends Superfly Johnson & Mikiko Ebihara must travel through time to find the corrupted dictatorship and right the wrongs inflicted on the world.

Anachronox

Investigate the mysterious artificial planet of Anachronox in Ion Storm's quirky sci-fi RPG.

Thief: Deadly Shadows

Thief: Deadly Shadows sees Garrett return to his thieving ways, in this third installment of Thief the plot involves the mysterious Keeper order. Although the game wasn't developed by the makers of the original Thief, Ion Storm did an admirable job.

Deus Ex: Invisible War

The sequel to Deus Ex. As with most sequels, it didn't live up to the original.

Deus Ex

Deus Ex is an FPS/RPG hybrid from Ion Storm and Eidos Interactive. It is most notable for its free-form skill-based gameplay, which allows nearly unlimited solutions to missions, often allows for multiple outcomes, and lets you shape your character to be best suited for your style of play by allowing you to develop the skills of your choice.