Landmark Defense

Alien monsters and giant kaiju are climbing 100 of the world's landmarks! Aim your cannon and hit only the monsters. Every stray shell damages the building and the citizens inside.

■ 100 landmarks, 200 stages The Eiffel Tower, the Statue of Liberty, Sungnyemun Gate, Gyeongbokgung Palace, Tokyo Tower, the Pyramids, Burj Khalifa — travel the world and defend them all. Clear 100 stages to unlock "Recovery Ops", where you defend landmarks under repair.

■ Buildings that collapse for real Buildings break apart block by block. Lose the supports and they tilt and topple; catch fire and the flames spread until they fall. Falling debris crushes the monsters below.

■ 7 shell types High-explosive, precision, cryo (freezes and extinguishes), incendiary (fire zones), heavy, cluster and piercing — pick the right one for every situation.

■ Monsters and giant kaiju Crawlers that scale walls, steel gorillas that pound rooftops, UFOs that abduct citizens, and a giant kaiju every 10 stages.

■ Protect the citizens Buy time for the citizens inside to evacuate. Three stars depend on how much of the building you save and how few citizens get hurt.

Discovery signals