Quite fun, way too easy though since creeps can't pass the walls. two vertical collums of fake walls and an railgun (or uzi) will last til infinity. but , fun game!
Its a good idea for a game and fun to play! A little bit too random though to my liking. first three times I didn't get past the 50k, the fourth time I scored 200k. I do not know if constraints are added to the random creation of the disks, but 5 times in a row a green disk seems a bit cruel :). But still, a good game. 4/5
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