Score
0
Cities
●●●●
Best
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Tap the sky to detonate defensive explosions and catch incoming missiles before they reach your cities.
Four cities sit at the bottom of the screen. Missiles streak in from above, each heading for one of the cities. Tap anywhere on the sky and a defense missile launches from your central battery to that point, exploding briefly in a circle. Nothing falls until your first tap.
Any incoming missile inside the explosion radius is destroyed for +1. There's a short cooldown between defense launches, so you can't spam — pick your tap points carefully to catch multiple missiles in one blast. Blasts can't go off lower than the faint dashed line above the cities: tap below it and the explosion happens on the line, so a missile that slips under the line can no longer be stopped.
Missiles get faster and arrive more often the longer you survive. Lose a city every time a missile reaches the bottom. When all four cities are gone, the run ends. Score is the total missiles intercepted.
Lead the missile, don't chase it. Defense missiles take time to reach where you tapped, and incoming missiles keep falling. Tap where the missile will be by the time your explosion arrives, not where it is when you tap. The taller the incoming, the further ahead you need to lead — that's the single biggest skill in the game.
Clusters are worth waiting for. A wide explosion catches everything inside its radius, so two missiles falling close together count for +2 from a single tap. When you see a cluster forming, hold your tap and let them get a little closer together rather than blasting the first one alone — the missiles never stop speeding up, so every blast that takes out two buys you time for the next wave.
Protect the surviving cities, not the lost ones. Once a city is gone it's gone, and there's no bonus for spreading defense evenly. Stack your taps over whichever cluster of cities is still standing and let the corners burn if you have to. A run that keeps two cities alive for an extra 30 seconds scores more than one that desperately tries to save all four and ends in chaos at score 15.