| © 1984 Unknown
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| © 1984 Mouse Systems Corp.
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| © 1984 Jeff Littlefield
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| © 1984 Spinnaker Software Corporation
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| © 1984 Unknown
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| © 1984 B. J. Ball
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| © 1984 Microsoft
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| © 1984 Human Edge, The
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| © 1984 Activision, Inc.
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| © 1984 Broderbund Software, Inc.
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| © 1984 Frank R. Neal
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| © 1984 Sierra On-Line, Inc.
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| © 1984 MapleLeaf Software
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| © 1984 Electronic Arts, Inc.
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| © 1984 Software Toolworks, Inc., The
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| © 1984 Thunder Mountain
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| © 1984 Mindscape, Inc.
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| © 1984 Bruce Wilcox
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| © 1984 Sierra On-Line Inc.
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| © 1984 Jeff Bretz, John Clark Craig
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| © 1984 F Bataille
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| © 1984 F. Bataille
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| © 1984 Dale Jurich
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| © 1984 IBM
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| © 1984 IBM
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| © 1984 Lewis Software
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| © 1984 Sheng Chung Liu
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| © 1984 Compu-Teach Corporation
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| © 1984 Epyx, Inc.
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| © 1984 Avalon Hill
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| © 1984 Parker Brothers
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| © 1984 Leon Baradat
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| © 1984 Penguin Software, Inc.
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| © 1984 CBS Software
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| © 1984 Avalon Hill
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| © 1984 David Wadsworth
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| © 1984 Trillium Corp.
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| © 1984 Ddf
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| © 1984 Williams Electronics
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| © 1984 Various
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| © 1984 Windmill Software
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| © 1984 Robert Dew
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| © 1984 Mark Data Products
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| © 1984 Infocom, Inc.
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| © 1984 Challenge Software Co.
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