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UFO Defense
Fight aliens, build towers, and defend your base in UFO Defense! Use powerful machines and tools to protect your base from aliens that come in all shapes and sizes. Plan your defense strategy carefully, and make the most of your resources. Show your skill and strategy to survive the waves of aliens. Unlock powerful upgrades and defeat the powerful bosses to progress and collect power-ups. Defeat the aliens and you will be victorious! Play now and prove your talent in UFO Defense!
How to play
Touch left and right or use arrow keys to shoot black or white bullets.