Microsoft announced the latest additions to Xbox LIVE Arcade: Hexic 2 and Ecco the Dolphin. Both games will be available to download this Wednesday, August 15, 2007 at 9:00 a.m. GMT (2:00 a.m. PDT).

Building upon the addictive gameplay of its predecessor, Hexic HD, the sequel from Carbonated Games offers new special pieces, challenges, additional formations and an innovative head-to-head battle mode. For more details on "Hexic 2", visit www.xbox.com .

Gamers can also travel through time this Wednesday with Ecco the Dolphin (SEGA), a fun, whimsical update of the classic undersea exploration game featuring an online leaderboard that tracks "Best Time," and includes enhanced graphics and sound. For more details on "Ecco the Dolphin", visit www.xbox.com .