Atari’s free-to-play Asteroids: Gunner for iOS devices , has been updated in the App Store and now includes multiplayer features, among several other updates. Players can now compete with friends in an all-new Challenge Mode, a turn-based multiplayer mode, for high scores and bragging rights, or strive to reach top place on OpenFeint leaderboards.

Also included is an update to increase the rate at which Crystals, which unlock upgrades, are awarded. Check out our review of the game over here: https://www.nineoverten.com/2011/11/11/blow-em-away-asteroids-gunner-iphone-game-review/ before downloading the game over at: https://itunes.apple.com/us/app/id474572720