Move: arrow keys or WASD. Slide: Shift while moving.

Click to capture the mouse, then move it to turn the arrow. Esc frees it. Blaster: click or hold. Portals: E blue, R orange.

Blast every red enemy to unlock the exit. The green portal offers an upgrade, then the next room.

+1 per enemy and per room. An enemy shot costs a heart. The health pack restores one and a half.