Marginal Error is a map of moderate difficulty that uses the Material Detection Grill as it's main concept. Featuring a whole 2 rooms, it teaches the concepts and them puts them into practice.
Thanks to FourthReaper, whose textures I modified.
External: http://dl.dropbox.com/u/37624951/margin ... ror_v2.zip:** 0 B
Click here to download Marginal Error
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