The founders, along with business manager Jay Wilbur, had previously developed the 1990 personal computer game Commander Keen in Invasion of the Vorticons as "Ideas from the Deep" while still employees of Softdisk.
Bersama dengan manajer bisnis Jay Wilbur, para pendiri tersebut sebelumnya mengembangkan prmainan komputer pribadi 1990 Commander Keen in Invasion of the Vorticons dengan nama "Ideas from the Deep" saat masih menjadi karyawan Softdisk.