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Tower of Mystery

COMPUTE! Publications 1984

Gary McGath info
Apple II, Atari 400/800, C64/128 info, Coleco Adam info, PC info, PET, TI-99/4A, TRS-80 info, TRS-80 CoCo, VIC20
Type-in info
Entered by:
Alex, devwebcl, Garry, Gunness, iamaran, Strident



The world's only remaining copy of Adventure is reputed to be stored on an ancient mainframe in an old factory building. You must explore the building and make a copy of this valuable artifact.

During the endgame, you must learn how to use the mainframe in order to copy the program. You can even ask the computer to RUN ADVENTURE. So not only is there a computer within the computer, there is an adventure within the adventure! Well, sort of...


This was published as a sample adventure in COMPUTE!'s Guide to Adventure Games, Chapter 11, 'Tower of Mystery: A Simple Adventure Program', pp. 159-181. The main program is written in Microsoft BASIC and should run on a wide range of computers. Extra modifications are given for Atari BASIC and TI BASIC. The Atari BASIC version is very buggy, so it is recommended that you use the fixed game on the autobooting disk image provided in the resources.

There are also ports available for the BBC micro and the Amstrad CPC.

Jim Gerrie has created a version of the game for the TRS-80 MC-10.

Jason Wells ported the game to Javascript in 2021; it can be played via his website, which also includes some background on the original game and BASIC, Python & Javascript source code.

[+] Users who have solved this game

[+] Users currently playing this game


Tower_of_Mystery_2.png Tower_of_Mystery.png Tower_of_Mystery_1.png Tower_of_Mystery_PC.png


Average User Rating: 2 (1 rating)

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User Comments

devwebcl (01-05-2015 13:55)

The Atari 400/800 XL version has a bug, which the fix can be found at:

devwebcl (01-05-2015 13:57)

Map at:

devwebcl (15-12-2015 20:59)

Interesting to see my fixed version uploaded for someone else to CASA.

Gunness (18-12-2015 12:00)

According to Garry, his fixed version is different from yours and includes autobooting. So the credit seems to be right.

ahope1 (06-07-2017 09:47)

Play a BBC Micro port online here:

Exemptus (18-07-2023 17:27)

Almost all versions found have typos, so I have provided a clean PC version. This, being a sample game for teaching purposes, at least has clear code.