1987 ZCT Systems 1987 ZCT Systems GoodCoCo Verified Image 1983 Robert Arnstein Known Bad Image 1987 Taito 1987 Taito GoodCoCo Verified Image 1981 Robert G. Kilgus 1983 Tandy GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1980 Tandy GoodCoCo Verified Image 1982 Philidor Software Known Bad Image 1980 Tandy GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1982 DataSoft 1982 DataSoft GoodCoCo Verified Image 1981 The Image Producers GoodCoCo Verified Image 1988 Tandy 1980 Personal Software GoodCoCo Verified Image 1982 Steve Bjork 1980 Tandy GoodCoCo Verified Image 1980 Dale A. Lear 1982 Tandy 1982 Tandy GoodCoCo Verified Image 1981 Robert G. Kilgus GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1981 Microworks GoodCoCo Verified Image 1983 Larry Kheriaty & George Gerhold GoodCoCo Verified Image 1981 Robert G. Kilgus GoodCoCo Verified Image 1981 Robert G. Kilgus 1986 Dale Lear 1983 Tandy 1983 Tandy GoodCoCo Verified Image 1984 Spectral Associates Known Bad Image 1984 Activision 1984 Activision GoodCoCo Verified Image 1980 Tandy 1982 Tandy GoodCoCo Verified Image 1981 Robert G. Kilgus 1985 Tandy 1984 Tandy 1982 Computerware 1982 Computerware 1982 Computerware GoodCoCo Verified Image 1982 Dale A. Lear GoodCoCo Verified Image 1983 Tandy 1983 Tandy 1984 Tandy GoodCoCo Verified Image 1982 DynaMicro GoodCoCo Verified Image 1982 Tandy GoodCoCo Verified Image 1984 Spinnaker GoodCoCo Verified Image 1980 Tandy GoodCoCo Verified Image 1984 Spinnaker GoodCoCo Verified Image 1982 The Image Producers GoodCoCo Verified Image 1988 ZCT Systems Known Bad Image 1988 ZCT Systems GoodCoCo Verified Image 1982 Philidor Software GoodCoCo Verified Image 1983 Intelligent Software Ltd 1983 J&M Systems 1983 J&M Systems 1985 J&M Systems GoodCoCo Verified Image 1984 Spinnaker GoodCoCo Verified Image 1984 Spinnaker GoodCoCo Verified Image 1982 Steve Bjork GoodCoCo Verified Image 1980 Personal Software 1980 Personal Software GoodCoCo Verified Image 1982 DataSoft GoodCoCo Verified Image 1981 Spectral Associates GoodCoCo Verified Image 1988 EPYX 1988 EPYX 1983 Tandy 1984 Tandy orch90 1983 Tandy GoodCoCo Verified Image 1980 Tandy GoodCoCo Verified Image 1983 Tandy GoodCoCo Verified Image 1980 Tandy GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1982 Tandy GoodCoCo Verified Image 1981 Steve Bjork 1981 Steve Bjork GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1980 Robert G. Kilgus 1987 Tandy 1989 Activision GoodCoCo Verified Image 1983 Robert Arnstein 1988 Data East 1981 The Image Producers GoodCoCo Verified Image 1987 Activision Known Bad Image 1987 Activision 1982 DataSoft 1988 Sierra 1988 Sierra GoodCoCo Verified Image 1981 Robert G. Kilgus GoodCoCo Verified Image 1983 Spectral Associates 1988 Spectral Associates GoodCoCo Verified Image 1981 Tandy 1983 Tandy 1983 Tandy 1987 Spectral Associates GoodCoCo Verified Image 1983 Greg Zumwalt 1983 Tandy 1988 Activision GoodCoCo Verified Image 1984 Rick Adams GoodCoCo Verified Image 1981 Tandy 1987 Greg Zumwalt 1987 Sierra 1988 ZCT Systems GoodCoCo Verified Image 1980 Leah R. O'Connor 1981 Tandy GoodCoCo Verified Image 1981 Tandy GoodCoCo Verified Image 1982 Harlow B. Staley