🂠 81 cards · 9 × 9
LOGOS
Philosophy you can play.
One deck. A game that sharpens your mind — and 81 images that open something deeper.
81
Logos Cards
2
Game modes
64
Hexagrams
Philosophy you can play.
One deck. A game that sharpens your mind — and 81 images that open something deeper.
The ecosystem
Logos Sudoku
Hawaiian 4×4 and Sudoku 42 9×9. Strategy, luck, and a board that never repeats.
Logos Patience
81 cards, one question. The answer lives in a hexagram.
Logos Cards
81 images. A visual language unlike anything else.
Logos Book
An author's Book of Changes — 64 voices for 64 moments.
Store
Physical cards. T-shirts, Merch. Earn Logs, Spend them.
The other side of Sudoku
Not just logic — a live duel. Every card is a decision, every move is a statement. Beat the machine, then beat a friend.
🪙 Earn Logs playing online — spend them on tournaments, avatars, and store discounts
What's next
Next →
Logos Patience
Lay all 81 cards. Let the hexagram tell you what you already know.
Then →
Twist Sudoku
Online multiplayer. 5 years of offline testing. 27 actions per card flip.
Forever →
Logos Cards
81 images. Prints, puzzles, physical decks. The world of Logos in your hands.