His initial release, Big Eyes, Small Mouth, led the company to aggressively license anime properties.
MacKinnon shut down GoO on August 1, 2006, due to mounting financial difficulties, leaving many writers and artists unpaid.
[2]: 335 MacKinnon got the name "Guardians of Order" from one of his characters from an Amber Diceless Roleplaying game run by Jesse Scoble.
[2]: 335 Guardians of Order released the Big Eyes, Small Mouth (1997) anime game created by MacKinnon at Gen Con 30.
[2]: 335 MacKinnon developed the Sailor Moon Collectible Card Game, which was published by Dart Flipcards.