Challenge Magazine (Game Designer's Workshop)

        1986 Mag    Challenge #25
        1986 Mag    Challenge #26
        1986 Mag    Challenge #27
        1987 Mag    Challenge #28
        1987 Mag    Challenge #29 10 Years of Traveller!
        1987 Mag    Challenge #30
        1987 Mag    Challenge #31
        1988 Mag    Challenge #32
        1988 Mag    Challenge #33
        1988 Mag    Challenge #34 Space 1889 Special Issue
        1988 Mag    Challenge #35
        1988 Mag    Challenge #36
        1989 Mag    Challenge #37
        1989 Mag    Challenge #38
        1989 Mag    Challenge #39
        1989 Mag    Challenge #40 Equipment Issue
        1989 Mag    Challenge #41
Feb/Mar 1990 Mag    Challenge #42
Apr/May 1990 Mag    Challenge #43
Jun/Jul 1990 Mag    Challenge #44
Aug/Sep 1990 Mag    Challenge #45
Oct/Nov 1990 Mag    Challenge #46
    Dec 1990 Mag    Challenge #47
Jan/Feb 1991 Mag    Challenge #48
Mar/Apr 1991 Mag    Challenge #49
May/Jun 1991 Mag    Challenge #50
    Jul 1991 Mag    Challenge #51
        1991 Mag    Challenge #52 Bestiary Issue
    Oct 1991 Mag    Challenge #53
    Nov 1991 Mag    Challenge #54 Horror Issue
    Dec 1991 Mag    Challenge #55
    Jan 1992 Mag    Challenge #56 Holiday Issue
    Feb 1992 Mag    Challenge #57 Intro Scenarios Issue
    Mar 1992 Mag    Challenge #58
        1992 Mag    Challenge #59 Mysteries/April Fools Iss
    May 1992 Mag    Challenge #60 2nd Annual Swimsuit Issue
    Jun 1992 Mag    Challenge #61 Heavy Metal Issue
    Jul 1992 Mag    Challenge #62 Origins/GenCon Preview Iss
    Aug 1992 Mag    Challenge #63 Origin/GenCon Issue
    Sep 1992 Mag    Challenge #64 When Empires Fall
    Oct 1992 Mag    Challenge #65 3rd Annual Horror Issue
    Nov 1992 Mag    Challenge #66
    Dec 1992 Mag    Challenge #67
        1993 Mag    Challenge #68
        1993 Mag    Challenge #69
        1993 Mag    Challenge #70
        1993 Mag    Challenge #71
        1994 Mag    Challenge #72
        1994 Mag    Challenge #73
        1994 Mag    Challenge #74
        1994 Mag    Challenge #75 All Traveller Issue
        1995 Mag    Challenge #76
        1995 Mag    Challenge #77