Command & Conquer: Red Alert 2

Strategy Real-Time Sci-Fi Command

Wielding strange new technologies and hungering for revenge, the Soviet Empire invades America. New York City and Washington are overwhelmed. Allied forces, unprepared for the surprise attack, are decimated. Will freedom be crushed under the heels of Communist aggression? [Electronic Arts]

War World: Tactical Combat

Action Shooter Third-Person Sci-Fi Arcade

War World is a fast paced, 3rd person online shooter where players build and battle the ultimate mech warriors. Designed for multiplayer mayhem, War World lets players challenge other warriors online as they try to work their way up the War World rankings ladder. As players move up the ladder, they are able to earn and purchase upgrades and enhancements for their mechs. War World will also offer several single player modes, 3D arcade style games, where players can upload their scores to the web site for bragging rights. After launch, War World will continue to flourish with new expansion packs being offered every couple of months. The first expansions will offer a fully customizable skin editor for the mechs, new mechs, new arenas and new weaponry. [Third Wave Games]

Starcraft

Strategy Real-Time Sci-Fi Command

In the distant future a small group of human exiles have been doomed to fight for survival on the edge of the galaxy. Through military strength, espionage and deceit, a unified Terran government has maintained an uneasy peace. As resources run short, however, these Confederate nations find themselves looking towards the rich worlds of their alien neighbors, the enigmatic Protoss. To further complicate matters, it seems that a previously unknown and deadly species known only as the Zerg has entered Protoss space and is destroying everything in its path. The time for war has come... As the military leader for your species, you must gather the resources you need to train and expand your forces and lead them to victory. 30 unique missions will challenge you across three different campaigns as you control the fate of the galaxy.

Natural Selection 2

Action Shooter First-Person Sci-Fi Tactical Arcade

Natural Selection 2 is a revamped version of the Half-Life mod that will be available through Steam as a stand-alone purchase.