This topic is for discussion of map #4870: Concentric Squares 60%
(http://knucklecracker.com/creeperworld3/queryMaps.php?query=thumbnailid&id=4870)
Author: Iron John Logan
Size: 175x175
Desc:
Based on a painting by Josef Albers, 1941. The 60% is the strength of the creeper/ hardness of the game