Everyone has a favorite iPhone game, but nothing scratches that retro gaming itch like Atari’s Greatest Hits. The catalog, divided between arcade and Atari 2600 games, includes the arcade version of Missile Command for free, and offers additional 4-game bundles for $1 each. Or, you can buy all 99 games for $10. With OpenFeint support, you can also compare your scores against the rest of the world.
Link: Atari’s Greatest Hits