macemu

Classic Mac software, running in your browser tab

MacGammon! — backgammon from the Macintosh's first year Runs here

1984 · Thomas C. Hoffman and Steven W. Slesinger / Videx · System 6 · Mini vMac (Mac Plus) · 512×342 black and white

Guide updated September 2026

Backgammon against the computer, copyright 1984, from a company better known for Apple II expansion cards. It opens on a title card with the authors' names and a START button, and behind that is a competent implementation of the game with the doubling cube intact.

There is not much more to say about it and that is rather the appeal. This is what a piece of Macintosh software looked like in the machine's first year: one job, done properly, in a window.

Boots to the title card. Click START to begin a game, or EXIT to return to the desktop.

Controls

MouseRoll, and drag checkers to move them
Doubling cubeClick it to offer a double
MenusNew game, difficulty and display options
MacGammon! running in a browser tab
MacGammon!, running here in Mini vMac.

Videx stopped publishing software long ago and the named authors have not offered the program since. It has not been sold in about forty years.

Archives

How it works & what to expect

MachineMacintosh Plus, 512×342, black and white
SystemThe floppy's own — this disk carries the System it shipped with
EmulatorMini vMac, compiled to WebAssembly
SavesInside the emulated Mac, in your browser

The opponent is a 1984 backgammon engine, which means it plays a reasonable positional game and is weak on the doubling cube. Anyone who plays backgammon seriously will beat it; anyone who does not will have a real game.

Dice are generated by the program, which was the usual and occasionally contentious arrangement in early computer backgammon. There is nothing in the code doing anything clever with them.

Why it is remembered

It is from 1984. Software dated to the Macintosh's first calendar year is a small and thinning set, and most of what survives is Apple's own. A third-party game from that window is worth having for that reason alone.

Videx were a hardware company. The Videoterm 80-column card was in an enormous number of Apple IIs; their brief run of Macintosh software is a footnote that has almost entirely disappeared.

Backgammon suits the mouse. Dragging checkers around a board was exactly the sort of thing the Macintosh was supposed to make obvious, and this is an early, clean demonstration of it.

Getting started

Click START. There is no configuration to do first.

Use the doubling cube against it. The engine handles doubles poorly, and offering one in a position it misjudges is the quickest way to find the edges of its play.

If you have not played backgammon: get your checkers home before your opponent gets theirs home, do not leave single checkers where they can be hit, and the rest will make sense within a game or two.

Questions people ask

How strong is the opponent?

Reasonable for 1984 and weak on the doubling cube. A serious backgammon player will beat it comfortably.

Is the doubling cube included?

Yes, and using it is the best way to exploit the engine's judgement.

Can two people play?

The computer opponent is the main mode; the menus carry the options the 1984 release shipped with.

Can I save?

Games persist inside the emulated Macintosh in your browser.

How old is it?

Copyright 1984 — the Macintosh's first year, which makes it one of the oldest things on this site.

Who wrote it?

Thomas C. Hoffman and Steven W. Slesinger, published by Videx.

Put MacGammon! on your own site

Free, no permission needed and no account. Paste this where you want the machine to appear; it brings its own emulator and asks nothing of your page.

<iframe src="https://macemu.com/embed/macgammon/"
        width="512" height="342"
        style="border:0;max-width:100%"
        allowfullscreen
        title="MacGammon!"></iframe>

Sized to this title's real screen. How embedding works.

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