Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Creatures (the title of the game being the backronym Clyde Radcliffe Exterminates All The Unfriendly Repulsive Earth-ridden Slime) is a platform game for the Commodore 64 computer, released in 1990. It was developed by Apex Computer Productions, the company started by two brothers, John Rowlands (who wrote the code) and Steve Rowlands (who created the graphics and music). Atari ST conversion made by WJS Design were released in 1992 and Amiga in 1993.

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