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
Call of Cthulhu Designer's Edition 1982
Call of Cthulhu, 1st Edition, 2nd Printing 1982
Second Edition
Call of Cthulhu, 2nd edition 1983
Call of Cthulhu, 2nd Edition (GW) 1983
Third Edition
Call of Cthulhu, 3rd Edition 1986
Call of Cthulhu, 3rd Edition (GW) 1986
Fourth Edition
Call of Cthulhu, 4th Edition 1989
Fifth Edition
Call of Cthulhu, 5th Edition 1992
Call of Cthulhu, 5th Edition (Limited) 1993
Call of Cthulhu, 5.5 Edition 1998
Call of Cthulhu, 5.6 Edition 1999
Call of Cthulhu, 20th Anniversary Edition 2001
Sixth Edition
Call of Cthulhu, 6th Edition 2004
Call of Cthulhu, 25th Anniversary Edition 2006
Call of Cthulhu, 30th Anniversary Edition 2011