3 MISSIONS · WEAPON UPGRADES · BOSS BATTLES
Run right, survive the outpost, and destroy each mission’s boss. Hold fire. Jump gaps and use high platforms to change your angle.
Aim diagonally by holding up/down plus a direction. Down on the ground crouches. Release jump early for a shorter jump.
S Spread · R Rapid fire · L Piercing laser · ★ Shield · + Health. Grenades cause area damage. Reserves and grenades are shared in co-op. Stay together to scroll the screen.
Touch controls work best in landscape. Local co-op requires a keyboard. Gamepad: left stick/D-pad move and aim, A jump, X or right trigger fire, B grenade, Start pause.