Survive through 99 stages as you try to escape to the surface scramble for hidden items including speed, bomb and armor power ups evade looming bomb blasts from a new tension-filled perspective choose from the classic one-hit, one-kill gameplay style or utilize a new life bar and item system for a more aggressive gameplay style earn multiple achievements in single and multi-player modes to increase your gamer score up to 8 players can engage in frantic battles for survival online through Xbox live and earn points to become the ultimate weapon on the world rankings.
