The strategy game invented in Québec in 1999
THE ÉCHEC O CUBE APP
Place, connect, observe, close the cube — and shout ÉCHEC O CUBE!
FREE UNTIL JANUARY 1, 2027 — THEN BY MEMBERSHIP
Scan the QR code with your phone, or visit:
PLAY FREE NOWALL THIS IN YOUR POCKET
- Play against the computer — four levels, Beginner to Hard
- Two players on the same device — like on the real board
- Play online with a friend — anywhere in the world, by game code
- EOC Chat Blog — public rooms and private groups for players
- Three boards — 7x7 discovery, 9x9 recreational, 11x11 FEOC competition
- Customizable colours — board and pawns to your taste
- Your victory rain — confetti, flowers, jackpot $, pawns, Québec maple
- Official V3.0 rules built in — move log in official notation
INSTALL IT LIKE A REAL APP
Android (Chrome): visit jeu.echecocube.ca → menu ⋮ → “Add to Home screen”
iPhone / iPad (Safari): visit jeu.echecocube.ca → Share button → “Add to Home Screen”
The ÉCHEC O CUBE icon appears on your phone — and the game even works offline! Coming soon to Google Play too.
Our strategy, in full transparency
The Master Stroke of Acquisition
Build a community before building a business.
Phase 1 — The Founder offer
Mass acquisition
FREE UNTIL
JANUARY 1, 2027
The whole game — base and premium — open to everyone, free of charge.
Player today, FOUNDER forever.
▼
Phase 2 — The structured transition
From January 1, 2027
Plan 1
BASE GAME
$1.99 / month
or $19.99 / year — two months free
All four computer levels, every board — 7x7, 9x9 and 11x11 — every model, your own colours and game memory.
Plan 2 — the complete one
ALL INCLUSIVE
$2.99 / month
or $29.99 / year — two months free
Everything in the Base Game, plus worldwide online play, the EOC Chat Blog, official FEOC Member status and free EOC tournaments.
No credit card is asked of you to play today. The plans are renewable memberships you can cancel at any time, in accordance with Québec's Consumer Protection Act.
YOU ARE NOT PAYING TO PLAY
You are bringing the ÉCHEC O CUBE community to life. Player today, FOUNDER forever.
Every purchase, whatever it is — membership, Founder offer or official store item — makes you an EOC Founding Member, with every advantage. All Founders will be invited to an exclusive one-hour video conference with inventor Alain Dupont and Linda Smith, on a date that will be communicated to them, to ask them the questions of their choice, directly.
Pay now: activation from January 1, 2027, your full year starts at activation — you lose nothing.
SEE THE PLANSÉCHEC O CUBE — Invented by Alain Dupont, Québec, 1999 — Copyright CIPO Canada No. 477714