GT Interactive

Duke Nukem returns for the third time to kick ass and chew bubblegum (and he's all out of gum). You play as the Duke, and do battle with hordes of aliens, mutants, and other deadly foes who threaten earth. Your armory consists of a large variety of weapons, including FPS staples like pistols, shotguns, and RPGs, and some unique tools like the shrink ray, the freezethrower, and the jetpack.The EDuke32 engine is a port of the originally DOS-based game that allows for higher resolutions, including widescreen ones.

Total Annihilation is a sci-fi themed RTS from Cavedog and GT Interactive. You play as the commander of either the Arm or Core, and fight the other side in an intergalactic war with high tech weapons like giant robots and plasma cannons.

Unreal Tournament is an online FPS from Epic Games and GT Software. Its main competition being Quake 3, it distinguishes itself from the Quake games by focusing on team-based games such as team deathmatch, capture the flag, and assault, rather than free-for-all deathmatch.