Your mission in this tower defense game is to defend your road against hordes of incoming trash. this game is not easy to beat, you have to find the way to complete all the levels. use your mouse to click on a biobot and then the part of the road you'd like it to clean. click on a bot to open the upgrade and sell menu. there are also super biobots available, they are more powerful, but they only absorb one kind of trash. good luck!
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