Full version, without ads! aliens invaded the earth! humanity needs a hero! but there's quite unusual way to stop this cruel ufo's attack - math defense! solve the math problems to defeat alien ufo's and save the earth. math vs ufo's - tricky counting is a great educational game allowing to practise you mathematical skills and develop your brain possibilities while playing and having fun. how to play: each ufo has it's own "achilles' heel" - the math problem you have to solve to defeat it. solve the problem, type the answer and rebuff an attack. you should think as fast as possible - don't let them wipe the earth out! math vs ufo's - tricky counting features: - entertaining math trainer for all ages; - educational game - play and study; - fantastic gameplay - save the earth from alien invasion; - become a math superhero!
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