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94%2k94% positive reviews, Very Positive across 2k reviews·Tower Defense · RTS
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U.F.O. K.O. Tower Defense: Place lasers, missile launchers, sniper turrets, and use combat strategies such as airstrikes and the space ray to repel waves of alien invaders in this sci-fi tower defense game.
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About U.F.O. K.O. Tower Defense
ABOUT THIS GAME
Your planet is being invaded. We are receiving reports that sightings of up to 10 different craft are being seen in the skies all over the world. There is no evidence that these craft are alien, but we can't rule it out. You have been assigned the task of defending the planet and have been given access to 6 unique weapons to defend 20 tactical locations. Access to a direct line to HQ for orbital and air support has additionally been granted to help you fight off the hostile forces and save the day. The fate of the world is in your hands. Will mankind be assimilated?
FEATURES
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23 Steam Achievements- Show your progress on your steam profile
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20 Levels - Play through 20 levels in 4 different environments
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10 Alien Craft - We cant confirm these craft are alien, but we can't rule it out
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6 Upgradable Turrets - Upgrade your turrets to Increase effectiveness
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2 Special Abilities- Call in airstrikes and orbital attacks from HQ
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Replayability - Go back for 3 stars or reset in-game progress
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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