PlayStation Network

Tetris — Millions of players worldwide on Sony PlayStation 3 systems will now have the opportunity to download and play the game with crisp 1080p high-definition (HD) graphics, high-quality 5.1 surround sound audio, and all-new ways to play including online against other Tetris players from around the globe. The Tetris game is one of the best-selling games of all time, with more than 100 million paid mobile downloads.

(PS Blog Coverage: Tetris for PSN in 1080p and 5.1, Gets PS3-Exclusive Multiplayer)

Source: http://blog.us.playstation.com/2011/01/02/the-drop-week-of-jan-3rd-2011-new-releases/