a850137f_e_Mathematical_Sciences___PIMS__main_features
[game] Utopia [# to play] 1 [multi- level?] yes [made by] Popular Playthings [main features] 
3D reasoning; easily accessible on-line versions: Brainbashers calls it “Skyscrapers”, while Simon Tatham calls it “Towers”
Math Games for Holiday Gifts | Pacific Institute for the Mathematical Sciences - PIMS
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