The Atari version was published by Adventure International (USA) in 1981. This can be identified by the "Curse of Crowley Manor" title and 1981 copyright date on the title screen, and the abbreviated room descriptions. It was then published by Adventure International (UK) in 1982. This can be identified by the "Crowley Manor" title and 1982 copyright date on the title screen, and the slightly longer room descriptions. After Adventure International went bust, the original version was published by Prism Leisure under the 'A1' label in 1986.
Jim Gerrie has created a version of the game for the TRS-80 MC-10.
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