Underrated eh?
C&C: Renegade. Good shoot em up, based on the Tiberium Sun Game.
Hidden and Dangerous. Another good shoot em up, more strategy is required alothough the graphics were mediocre.
Forsaken. Very Fun Multiplayer game set in the future were the earth has almost been destroyed, you fly futuristic space bikes.
Settlers 2. old building game, still entertaining.
Quarantine. very old driving game, set in the future in america in a place named Kemo City, where a cooperation has built a wall around the city to prevent a virus speading which this cooperation indroduced.
Ancient Conquest. there was no full version ever released, but it was a very fun and interesting game. very basic but the graphics are nice.
POD. A racing game, set on the planet IO after a drilling operation opened up a lifeform from the planets crust which spead. your objective is to race serveral others in custom made built scrap cars in a championship for the last shuttle off the planet.