March 24th, 2016
In this game you have to upgrade the skill of Johnny, to make him superhero. You can earn cash each time Johnny move and spend them to upgrade his skills such as his ability to jump, speed him up, power etc.
You can play Johnny Upgrade Cool Math Games unblocked on our Cool Math Games website. If you enjoyed playing it, you should take a look at our similar games Shaun the Sheep: Alien Athletics
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