Hold the grid through eight levels, then face the core guardian. Your ship fires on its own. Grab dropped power-ups for a shield, a spread shot or extra health.
Desktop: move with WASD or arrow keys, aim with the mouse. P pauses, M mutes.
Touch: drag to move, aiming is automatic.
Score 0
Reached level 1
Score 0
All eight levels cleared and the core guardian destroyed.