• “1 vs. 100” (Endemol). From the makers of “Deal or No Deal,” Endemol, the world’s largest independent production company, brings the popular television game show “1 vs. 100” to Xbox LIVE Primetime. The exclusive game pits one Xbox LIVE member against 100 others from around the world with a live host and great prizes. The goal of “the One” is to eliminate all the opposition by correctly answering questions, hoping that the opponents will answer incorrectly and be eliminated from the game. And stay tuned for “1 vs. LIVE,” where one lucky winner will have a chance to compete against the entire Xbox LIVE community.

• “UNO RUSH™” (Microsoft). “UNO RUSH” is a challenging and exciting party card game for up to four players. Developed by the same team that brought the original, best-selling “UNO®” to Xbox LIVE Arcade, “UNO RUSH” boasts a wide range of gameplay and social features — multiple variants, house-rule options, local and Xbox LIVE multiplay, camera support, avatar support, and more — plus fast-paced gameplay to keep the party going. “UNO RUSH” is coming exclusively to Xbox LIVE Arcade in 2008.

• “Galaga Legions” (NAMCO BANDAI Games). The arcade shooter “Galaga” has captivated players all over the world, and now the legend lives on with “Galaga Legions.” Featuring table-turning game dynamics, updated graphics and vast waves of ferocious enemies, “Galaga Legions” was created by the same team that developed the best-selling “PAC-MAN Championship Edition” for Xbox LIVE Arcade. “Galaga Legions” will debut exclusively on Xbox LIVE Arcade in 2008.

• “Geometry Wars: Retro Evolved 2” (Bizarre Creations Ltd./Activision). The latest version of the frenetic retro shooter, “Geometry Wars: Retro Evolved 2” debuts exclusively on Xbox LIVE Arcade in 2008. Newcomers and pros alike will be blown away by the screen-melting intensity and insane new features, including six action-packed gameplay modes, new enemies, scoring strategies and a diverse list of exciting Achievements. “Geometry Wars: Retro Evolved 2” also supports multiplayer mayhem for up to four players, with versus or co-op modes, and features razor-sharp 1080p graphics and new, pulse-pounding music.

• “Portal™: Still Alive” (Valve/Microsoft). “Portal: Still Alive” features the full award-winning “Portal” single-player game from Valve plus a new challenge mode. Designed to change the way players approach, manipulate and surmise the possibilities in any given environment, “Portal” has earned more than 70 industry honors for its innovative gameplay, with more than 30 Game of the Year Awards. Solve physical puzzles and challenges by opening portals to maneuvering objects, and yourself, through space. The game is debuting on Xbox LIVE Arcade in 2008.

• “South Park” (South Park Digital Studios/Doublesix/Microsoft). Based on the Emmy- and Peabody-award winning show, a “South Park” game (title TBA) is coming excl