Campaign: clear a sector and beat its boss for up to ★★★ (★★★ = no lives lost).
Fly together with 2-4 friends in the same sector. The host runs the enemies; everyone shares the score.
Finished missions pay ★ stars and are replaced by new ones.
Move: L-stick or D-pad. Your ship fires by itself.
Move: drag anywhere on the screen (phone or mouse), or use the arrow keys / WASD. Hold Shift to fly slowly. Your ship fires by itself.
Your hitbox is only the small white dot in the middle of the ship. Bullets can pass right over the wings!
Graze: fly close to enemy bullets without touching the dot for bonus points.
Capsules: P powers up your gun (up to 4). Letter capsules change every second or so: S spread, L laser, H homing, R ripple (wide waves that pierce). Grab the same letter again to power it up. ◎ shield, D drone, B bomb, ⚡ Overdrive, ⧗ time slow (enemy bullets crawl for 5 seconds).
Overdrive: every graze fills the meter above your hearts. When it is full your guns fire twice as fast and hit harder for a few seconds.
Watch for: snipers aim a red line before they shoot, splitters burst into darts, red kamikazes chase you. Something golden crosses the sky now and then: shoot it down.
Boss Rush opens after the Void Eye: all five bosses in a row. Beat it once for an emerald.
Nova bomb: ✕ or ○ clears every bullet on screen and hurts all enemies. START pauses.
Nova bomb: the 💥 button, X or Space clears every bullet on screen and hurts all enemies.
Chains: keep destroying enemies quickly to raise the score multiplier.
Stars ★ are coins for ships, paint, trails, pilot gear and upgrades in the Hangar shop.