Missile Defense

Enemy missiles are raining down on your six cities. Tap or click anywhere in the sky to launch an interceptor to that spot — it bursts into an expanding fireball that destroys every incoming missile it touches. Blasts can chain: a destroyed missile explodes too!

Controls

• Mouse / touch: tap a point in the sky. The nearest launch base with ammo fires.
• Keyboard: move the crosshair with the arrow keys (or WASD); fire from the left, centre or right base with Z, X, C — or Space for the nearest base. P/Esc pauses.

Rules

• Each of the three bases holds 10 interceptors per wave. The centre base fires faster interceptors. A base hit by a missile is out of action until the next wave.
• Later waves bring splitting missiles that fork into several warheads, bombers that drop missiles as they fly across, and dodging smart bombs.
• The game ends when all six cities are destroyed.

Scoring

25 points per missile, 100 per bomber, 125 per smart bomb, multiplied as waves rise. After each wave you get bonus points for unused interceptors and surviving cities, and every 10,000 points earns a bonus city that rebuilds a destroyed one.

Tips

Lead your shots: aim slightly below fast missiles. One well-placed blast in the path of several missiles saves ammo.