Survive escalating enemy waves, keep your style rank alive, and turn each cleared wave into upgrades. Movement, target priority, and weapon switching matter more than raw firepower.

• Fly and fire: WASD/Arrows move, mouse aims, click or Space fires. Use 1–8 for weapons, Q/E to cycle, and F for the timed shield.
• Build style: hits and rapid multi-kills raise D → C → B → A → S → SSS. High style boosts damage and speed, but drains when you stop attacking.
• Between waves: spend gold in the shop, unlock guns, and open the Bestiary to learn every enemy counter.
• Read silhouettes: flank a Shield Warden, rush a Healer, escape Bomber and Mine Layer blast zones, and expect Splitters to release Shards.
• Mirror rule: it can return one direct shot, then its reflector must recharge. Failed reflections and every follow-up shot during recharge damage it normally—rockets are no longer required.
• Miniboss rule: the wave-5 miniboss has one consistent phase and a deliberately modest gold/score payout. Full bosses keep their multi-phase patterns and larger rewards.
• Sandbox: launch it from the opening panel to summon specific enemies, test builds, and edit arena walls.