Play online Ace Invaders game

Game Instructions:     Mouse to move and shoot. Right Click to Pause (for now). Weapons go to your right or left hardpoint depending on where you grab it. EXP applies to all weapons; you lose nothing by switching a weapon. There are 9 weapons: Vulcan, Railgun, Spread Shot, Mega Missile, Laser Lance, Plasma Thrower, Blade Missile, Bits and X-Shot. The enemies get more exciting as you go.