CLICK / TAP   Launch a counter-missile toward the cursor. The nearest battery with ammo fires.

🛡️ Explosions destroy any enemy that touches them — chain them for combos.

🟣 MIRVs split into multiple warheads mid-air. Shoot them early.

⚡ Power-ups drop from destroyed enemies — click to grab: Multishot, Slow-mo, Shield, Big Bang.

🛸 Bonus flyers streak across the top sky mid-wave — zigzag UFOs weave, red beam UFOs hover and vaporize a city if you don't shoot them in time!

💰 $ crates rain down three times a run, somewhere between wave 9 and wave 20. Click one before it lands for a surprise +2,000.

⚠️ Raiders arrive from wave 15 (up to 3 a wave): white interceptors that lock on for barely a second, then fire an instant laser that destroys one city or battery. Old fire won't stop them — only a fresh blast landing right on one will.

☢️ Nuke (rare, wave 5+): grab this red bonus to instantly destroy every missile and flyer on screen.

🛒 Shop appears between waves — repair cities, refill ammo, upgrade weapons.

⌨️ P pause   M mute   ESC menu