Classic gamers rejoice — Atari is brining all the 2600 action you can handle with its new iPhone app. Atari's Greatest Hits (Free-$15) lets you indulge in 100 old school games (18 classic Atari arcade games and 92 Atari 2600 games), including Asteroids, Centipede, Crystal Castles (not the band), and Star Raiders. You also get Bluetooth mutliplayer options, plus original cabinet and box art. Two ways to buy — 25 separate packs available for download at $0.99, or you can get all 100 games for $15. iCade anyone?