Sonic the Hedgehog - Master System

{:etype "release",
 :doc
 {:format "Cartridge",
  :publisher {:id "BiRueo", :etype :company, :title "Sega"},
  :release-date "1991-10-25",
  :game {:id "VUKuKk", :etype :game, :title "Sonic the Hedgehog"},
  :title "Sonic the Hedgehog - Master System",
  :region "EU",
  :notes "8-bit version with different levels",
  :developer {:id "SJwhM6", :etype :company, :title "Ancient"},
  :platform
  {:id "gWIpDy", :etype :system, :title "Sega Master System"}},
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