Call of Cthulhu Core Rules
The Call of Cthulhu role-playing game saw birth on Friday 13th November 1981. Since that time it has been through seveneditions (including some 'half' editions). The following links lead to individual entries for the various rules printings of the game.
First Edition
Call of Cthulhu, 1st Edition, 1st Printing 1981
Second Edition
Third Edition
Fourth Edition
Fifth Edition
Call of Cthulhu, 5th Edition 1992
Call of Cthulhu, 5th Edition (Limited) 1993
Call of Cthulhu, 5.5 Edition 1998
Sixth Edition
Call of Cthulhu, 6th Edition 2004