 | ©1991 Origin
|
 | ©1993 Origin Systems Inc
|
 | ©1993 Origin
|
 | ©1996 Dataware
|
 | ©1989 Broderbund Software
|
 | ©1989 Broderbund Software, Inc.
|
 | ©1992 Opaque Software
|
 | ©1991 Jim Fox
|
 | ©1992 Steve Stancliff
|
 | ©1986 Epyx, Inc.
|
 | ©1988 TyneSoft
|
 | ©1989 ShareData, Inc.
|
 | ©1985 Infocom, Inc.
|
 | ©1995 Capstone Software
|
 | ©1985 COMPUTE! Publications, Inc.
|
 | ©1983 Infocom, Inc.
|
 | ©1984 Sierra On-Line, Inc.
|
 | ©1985 Telarium
|
 | ©1985 Synapse Software Corporation
|
 | ©1988 Out of the Blue Software
|
 | ©1987 GO!
|
 | ©1990 Sir Tech Software Inc
|
 | ©1987 Sir-tech Software, Inc.
|
 | ©1987 Sir-tech Software, Inc.
|
 | ©1988 Sir-tech Software, Inc.
|
 | ©1987 Sir-tech Software, Inc.
|
 | ©1988 Sir-tech Software, Inc.
|
 | ©1981 International PC Owners
|
 | ©1985 Strategic Simulations, Inc.
|
 | ©1989 Valueworks
|
 | ©1988 Rick Nowalk
|
 | ©1990 Sirtech Software
|
 | ©1992 Sirtech Software
|
 | ©1987 Ocean Software Ltd.
|
 | ©1986 RJ
|
 | ©1992 Chih-Hung Hsieh
|
 | ©2004 Wolf Skevos-Jones
|
 | ©1993 Digital Masters
|
 | ©2010 Acord Games
|
 | ©1990 NovaLogic
|
 | ©2003 Dorothy and Ozma Productions
|
 | ©1988 Davidson & Associates
|
 | ©1983 Davidson & Associates
|
 | ©1988 Philip Allwood
|
 | ©1992 Apogee Software Ltd
|