this is just like rotatix and another game which i forgot the name of, something with "geo" from geomitry in it, but i think this one is better. i got a nice one:
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press age for the "fake cursor", then do it with all numbers of nodes... looks pretty cool, doesnt it? illusion with the circles drawn by 1 and 2 nodes...
i have make a easy game and a super strong turret you can build that turreton the begin and own first 2 waver and the next waves you can build mor of it