Alpha (co-op) and Arena (tournament) are always open with no player limit; other public rooms appear here while someone is playing in them.
CREATE ROOM
JOIN BY CODE
Tournament: no AI ships, players fight each other among asteroids, mines and bonuses. Co-op: clear waves of enemy ships together, a boss every 10th level.
BOSS
↻ turn the phone sideways
← → turn · ↑/Shift thrust · Space fire · Enter chat · hold V talk · (WASD + J) · gamepad: stick, A thrust, X fire