Robo Slug 2 game is back to battle the alien invaders! Win back the countryside and put the hurt down on those extra terrestrial marauders. Instructions: Use WASD keys (or ARROW KEYS) to move left and right, jump and duck. Use the MOUSE to direct fire. Use Numbers 1, to 6 to change weapons. You need to unlock weapons first, one new weapon is unlocked at the end of every level. The MOUSE WHEEL will also change weapons.