The Xbox LIVE Arcade has been updated with three games today, all supporting multiplayer co-op modes. Ion Assault, The Warriors: Street Brawl and Zombie Apocalypse are all available for download for 800 Microsoft Points.

Ion Assault is described as “an action-packed arcade-style space adventure with an unprecedented particle physics engine.”" There are four different modes and over twenty levels to play on. Co-op is also available for up to two players offline and four online. Add ION Assault to your Xbox 360 download queue.

The Warriors: Street Brawl is an arena combat game where you play as a group of Warriors on their way home from Coney Island. Many features are in the game such as Boss Mode, Arcade Mode and more. Add The Warriors: Street Brawl to your Xbox 360 download queue.

Zombie Apocalypse is a multiplayer top-down shooter about killing zombies that want your brains. Classic. Four-player online and offline co-op modes are also available. Add Zombie Apocalypse to your Xbox 360 download queue.