▁Atlantic ▁City , ▁New ▁Jersey . ▁▁ 1 9 3 6 – 1 9 7 0 ▁ ▁In ▁ 1 9 3 6 , ▁Parker ▁Brothers ▁began ▁lic ens ing ▁the ▁game ▁for ▁sale ▁outside ▁the ▁United ▁States . ▁In ▁ 1 9 4 1 , ▁the ▁British ▁Secret ▁Int elligence ▁Service ▁had ▁John ▁W adding ton ▁Ltd ., ▁the ▁lic ensed ▁manufact urer ▁of ▁the ▁game ▁in ▁the ▁United ▁Kingdom , ▁create ▁a ▁special ▁edition ▁for ▁World ▁War ▁II ▁prisoners ▁of ▁war ▁held ▁by ▁the ▁Naz is . ▁H idden ▁inside ▁these ▁games ▁were ▁maps , ▁comp ass es , ▁real ▁money , ▁and ▁other ▁objects ▁useful ▁for ▁esc aping . ▁They ▁were ▁distributed ▁to ▁prisoners ▁by ▁fake ▁char ity ▁organizations ▁created ▁by ▁the ▁British ▁Secret ▁Service . ▁ ▁In ▁the ▁Naz i - occup ied ▁Netherlands , ▁the ▁German ▁government ▁and ▁its ▁collabor ators ▁were ▁dis ple ased ▁with ▁Dutch ▁people ▁using ▁Mon opol y ▁Game ▁sets ▁with ▁American ▁or ▁British ▁local es , ▁and ▁developed ▁a ▁version ▁with ▁Dutch ▁locations . ▁Since ▁that ▁version ▁had ▁in ▁itself ▁no ▁specific ▁pro - N azi ▁elements , ▁it ▁continued ▁in ▁use ▁after ▁the ▁war , ▁and ▁formed ▁the ▁base ▁for ▁Mon opol y ▁games ▁used ▁in ▁the ▁Netherlands ▁up ▁to ▁the ▁present . ▁▁ 1 9 7 0 s – 1 9 8 0 s ▁Econom ics ▁professor ▁Ralph ▁An sp ach ▁published ▁a ▁game ▁Anti - Mon opol y ▁in ▁ 1 9 7 3 , ▁and ▁was ▁su ed ▁for