Heavy Weapon: Atomic Tank unleashes adrenaline-soaked side-scrolling shoot-em-up arcade action-- PopCap style! With a blast of retro-80's videogame chic, Heavy Weapon brings classic shooter action and explosive power to Xbox Live Arcade. Fight through 19 story-based missions to upgrade 6 different weapon banks, or jump into instant action with the blazing Survival mode. Grab your friends and storm across enemy lines!  Are you ready for the furious fun of Heavy Weapon?