| ©1992 PC Solutions
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| ©1994 Interactive Girls Club
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| ©1991 Kenneth Dowst
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| ©1995 The Avalon Hill Game Company
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| ©1995 The Avalon Hill Game Company
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| ©1990 Futura
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| ©1991 Steve Mount
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| ©1994 WizardWorks Software
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| ©1987 Electronic Arts Inc
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| ©1991 Coktel Vision
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| ©1991 JYVA
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| ©1987 Scholastic, Inc.
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| ©1997 Caldera, Inc.
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| ©1989 Kevin L. Shelton
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| ©1992 Microprose Software Inc
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| ©1991 Castle Technologies Company
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| ©1991 Infogrames
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| ©1987 Willie Crowther, Kevin B. Black
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| ©1990 Willie Crowther, Don Woods, Don Ekman
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| ©1990 Magnus Olsson
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| ©1984 PC-SIG
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| ©2001 Dave Dunfield
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| ©1985 Electronic Arts Inc
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| ©1989 Apogee Software, Ltd.
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| ©1986 Public Brand Software
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| ©2001 Mike Arnautov
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| ©1990 Bob Withers
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| ©1982 Online Systems
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| ©1982 IBM
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| ©1989 Kevin L. Shelton
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| ©1997 Funsoft
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| ©1988 Keypunch Software, Inc.
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| ©1988 Keypunch Software, Inc.
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| ©1995 Don Woods
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| ©1987 Steve Dover
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| ©2007 Paul Allen Panks
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| ©1988 C-Tek industries
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| ©1991 Mike Arnautov
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| ©1992 Scott Adams, David Malmberg
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| ©1989 Lee Chapel
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| ©1990 Douglas P. Burum - Bruker Instruments, Inc.
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| ©1995 Stacy Mueller
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| ©1986 Douglas A. Asherman
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| ©1988 Michael Denio
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| ©1988 Michael Denio
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