Release dates, publisher and developer information for this game listed by platform:

Amiga

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1986
Published by
Mastertronic Ltd.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1990
Comments
Budget re-release

Amstrad CPC

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1986
Comments
CPC/PCW dual format

Amstrad PCW

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1986
Comments
CPC/PCW dual format

Apple II

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1983
Country
United States flag United States
Release Date
1984
Comments
Grey box release
UPC/A
0 51051 01008 1
ISBN-10
0-87321-008-5

Atari 8-bit

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1983

Atari ST

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1985
UPC/A
0 51051 01268 9
ISBN-10
0-87321-268-1
Published by
Mastertronic Ltd.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1990
Comments
Budget re-release
EAN-13
5 012967 440176

Commodore 16, Plus/4

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1984
ISBN-10
0-88731-033-8

Commodore 64

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1985
UPC/A
0 51051 01100 2
ISBN-10
0-87321-100-6
Country
Canada flag Canada
Release Date
1985
UPC/A
0 51051 01100 2
ISBN-10
0-87321-100-6

Commodore 128

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1988
Comments
Dual C64/128 "Solid Gold" release

DOS

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1983
UPC/A
0 51051 01268 9
Country
United States flag United States
Release Date
1988
Comments
Solid Gold release
UPC/A
0 51051 01413 3
ISBN-10
0-87321-413-7
Published by
Mastertronic Ltd.
Developed by
Infocom, Inc.
Country
United Kingdom flag United Kingdom
Release Date
1990
Comments
IBM PC 5.25" + 3.5" disk release by Mastertronic 1990

Macintosh

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1984
Country
United States flag United States
Release Date
1988
Comments
Solid Gold re-release
UPC/A
0 51051 01405 8
ISBN-10
0-87321-405-6

PC-98

Published by
SystemSoft
Developed by
Infocom, Inc.
Country
Japan flag Japan
Release Date
Feb 28, 1992

PC Booter

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1983

Tatung Einstein

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Distributed by
Xitan
Country
United Kingdom flag United Kingdom
Release Date
1985

TRS-80

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1983

TRS-80 CoCo

Published by
Infocom, Inc.
Developed by
Infocom, Inc.
Country
United States flag United States
Release Date
1984


Release dates and company information contributed by Brian Hirt (10088), Trypticon (11035), William Muir (48), Quapil (4834), iShrek (3718), Slik (946), S Olafsson (30951), Infernos (15551), Droog (522), Kabushi (191640), Martin Smith (66787), Terok Nor (26190), Игги Друге (46473), formercontrib (159879), Belboz (6583) and Zeppin (8470)

Product codes contributed by iShrek (3718), Corn Popper (69779), S Olafsson (30951), FatherJack (62771), Terok Nor (26190) and formercontrib (159879)