Daily
The global morning ritual.
One puzzle a day, the same for everyone on Earth, refreshed at 00:00 UTC. Solve it, and you've shared a moment with the whole planet.
Features
Five quiet things. Nothing louder.
Fudeto does a small number of things with care. Here is all of it — laid out plainly, with nothing hidden and nothing invented.
Practice
Chapters that climb, gently.
Open Practice after you've solved the day's puzzle. Difficulty rises one steady step at a time — never a sudden wall, never a trick.
World Cities
Graphs drawn from real places.
A curated set of boards named for the historic bridge-and-graph cities — Königsberg among them — where this mathematics began.
Country Season
A weekly table, if you want it.
Choose to represent your country and your daily solves add to a weekly leaderboard. Entirely voluntary — sit it out and nothing changes.
Streak & Streak Shield
Keep the chain — and protect it.
Solve each day to grow your streak. Miss a day and a Streak Shield can cover the gap, so one busy morning doesn't undo a month of mornings.
That's everything
No ads. No accounts. No surprises.
Just the puzzle, and the small set of things that make it a habit.
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