Play backgammon online — the complete guide

What backgammon is and why play it online

Backgammon is a two-player board game with a history stretching back more than 5,000 years — from ancient Mesopotamia to cafés and living rooms all over the world, it is one of the most played games on the planet. Each player has 15 checkers on a board of 24 points and races to move them all around and off the board before the opponent does.

Online, backgammon gains speed (3–5 minutes a game, versus 15–20 on a physical board), automatic move validation, a calculated pip count, and — most important — an opponent available any time. Online is for daily practice; the wooden board stays for special occasions. Detailed comparison: online vs. physical board →

How to play — first steps

If you have never played before, jump straight into the first-game tutorial: in 10 minutes you will know exactly what to do. After that, a couple of short tutorials cover the full mechanics:

• Setting up the board at the start — the standard position, in 3 minutes
• How to bear off (the endgame) — the "overshoot" rule and the classic mistakes
• The doubling cube — optional at first, but it transforms the game

The rules in brief

The 30-second version:

• The goal: move all 15 of your checkers around the board and bear them off into your home before your opponent does the same.
• A turn: you roll two dice and move. Each die is a separate move, or you use both with the same checker. Doubles count four times.
• Hitting: if you land on a single opposing checker (a "blot"), you send it to the bar. It must re-enter before doing anything else.
• Blocking: two or more of your checkers block a point.
• Bearing off: once all 15 of yours are home, you start bearing off.

Gammon42 uses the classic international rules — the same ones played in world tournaments. The full rules with visual examples: the detailed rules of backgammon.

With friends, in 30 seconds

The most underused feature of online backgammon: you can play with a specific friend without either of you having an account. Every player has an 8-character friend code and an invite link. Send either one over WhatsApp, email or Discord; your friend opens the link or types the code, and you are in each other's friends list. From there, tap "Invite to play" and the board opens for both of you.

It works the same in the iPhone and Android apps and in the browser, and it solves two problems: friction (many platforms want both of you to register first) and trust (when you play with a friend, neither of you doubts the dice).

Full guide to playing with friends →

Strategy and tactics

Backgammon looks like a game of luck, but mathematically it is roughly 30% luck and 70% decisions. The more games you play, the more you notice that "bad" dice can be played well and "good" dice can be wasted.

Three reads that raise your level significantly:

• 5 strategy ideas for beginners — the foundation
• The 15 opening rolls — the best moves at the start of every game
• 5 common beginner mistakes — what not to do

How to choose an online backgammon platform

There are dozens of sites and apps. The differences that matter:

• Account required or not — many force you to register before you can play. Look for one that does not.
• Coins / paywalls — the "freemium with coins" model is widespread. If you want to play unlimited without buying currency, look for one where ordinary games cost nothing.
• Ads — beware of the ones that interrupt play. Optional ads (rewarded video) are acceptable.
• Multiplayer with friends — test it: can you send a link and play with someone who has no account? Many cannot.
• Mobile — if you play on your phone, either you need an app, or the site has to run cleanly in the browser.

Our detailed comparison: The best online backgammon sites. And for a direct comparison with the biggest international platform: Gammon42 vs. Backgammon Galaxy.

Playing backgammon online on your phone

Your phone is probably where you will play the most games — on breaks, on the go, in the evening. You do not need an app: open the browser, go to the site, play. It works identically on iOS (Safari, Chrome) and Android (Chrome, Samsung Internet).

If you prefer an app, Gammon42 is on the App Store for iPhone and iPad and on Google Play for Android. The apps add what a browser cannot: practice against the computer without an internet connection, and reminders before a tournament you joined.

Guide to playing backgammon on your phone →

Are the dice really fair?

The most persistent complaint about online backgammon — on any platform — is that "the dice seem rigged". The short answer: they almost never are, but they almost always seem that way, because the human brain is very bad at recognizing true randomness. Five doubles in a row has a probability of 1/7776 — it feels impossible, but if you play 10,000 games it will happen statistically.

On Gammon42 you do not have to take our word for it. Before every online game the server publishes a SHA-256 commitment to a secret seed; each roll is derived from that seed together with both players' own seeds, and the seed is revealed when the game ends. The app re-checks every roll and shows a "Dice verified" badge, and you can repeat the check by hand. How the dice proof works →

Frequently asked questions