7th Level and Inc.
Published by in 1994
Microsparc Inc.
Published by in 1985
Apple Computer Inc.
Published by in 1981
Strategic Simulations Inc.
Published by in 1983
Infocom and Inc.
Published by in 1979
Atari and Inc.
Published by Atari, Inc. in 1981
Randy Reddig
Published by Varcon Systems, Inc. in 1994
Atari and Inc
Published by Atari, Inc. in 1980
