Chrome extensions
Draughts in one click
HappyPuzzle Chrome extensions for online checkers and offline Russian, American, International, and Dameo - free on the Chrome Web Store.
Free in the Chrome Web Store. Installs in one click and syncs with your account on the site.


Chrome Web Store
Four offline variants plus online sync - Russian, American, International, and Dameo.
Online · sync
Checkers Online
Play draughts from the browser toolbar: guest sessions, online matchmaking, and sync with HappyPuzzle - compact board, same teal brand.
Offline
Russian Draughts
Classic Russian draughts in your browser toolbar - vs a bot, fully offline, no account. 8×8 board, flying kings, men capture backward.
Offline
American Checkers
English draughts / American checkers offline in the toolbar - vs a bot, no account. 8×8 board, men move forward, kings stay on the dark squares.
Offline
International Draughts
International draughts offline - 10×10 board, 20 men, flying kings, majority capture. Play vs a bot from the popup or side panel.
Offline
Dameo: Checkers Game
Authentic Dameo in the Chrome toolbar - 8x8 trapezoid setup, mandatory majority capture, and 300 bot levels. Progress saves when you close the popup.
Offline
Alquerque - Classic Board Game
The medieval ancestor of draughts in your Chrome toolbar - 5x5 lattice, short leaps, mandatory majority captures, and 300 bot levels. Quiet Parchment board; progress saves when you close the popup.
Offline
Anti-Checkers
Lose all your pieces to win - Anti-Checkers (giveaway / suicide draughts) in the Chrome toolbar. Climb 300 bot levels; progress saves when you close the popup.
Features
Everything you need for a quick game - from the toolbar to full online play.
Quick games from the Chrome toolbar - no extra tab.
Checkers Online shares account & games with HappyPuzzle.
Start instantly; save progress when you are ready.
Matchmaking and invites on the online extension.
Teal, wood, and more across the family of extensions.
Russian, American, International, and Dameo offline.
For developers: load unpacked
Prefer to run from source? Load an unpacked build locally in Chrome.
- 1Build the extension package from the repo when available
- 2Open chrome://extensions → enable Developer mode
- 3Load unpacked → select the extension build folder
API must be running for online sync. Questions: [email protected]
Also: Checkers Online · Russian Draughts offline · American Checkers offline · International Draughts offline · Dameo: Checkers Game offline · Alquerque - Classic Board Game offline · Anti-Checkers offline
Chrome extensions · HappyPuzzle
