Where Every Number Connects.

A 6×6 number puzzle with three rules: arrows add, badges multiply, and every Loose Card is used once. Three new puzzles every day. Free, and no account needed.

Play today’s puzzle How to play

New puzzles arrive at midnight, Chicago time.

Arrows add. The cells an arrow points along add up to its number.
Badges multiply. Tens top-left, ones bottom-right: 4/2 means 6 × 7 = 42.
Loose Cards. Each card goes in one blank cell. Repeated numbers are separate cards.

Today’s puzzles

Easy

Direct steps only. The place to start.

Play Easy

Hard

Count cards across several sums.

Play Hard

More ways to play

Daily and Weekly Leaderboards

Sign in with a passkey for one official, server-timed result per puzzle, a place on that day’s leaderboard, and a weekly ranking that runs Friday to Thursday (UTC).

See the leaderboards

Play anywhere

Install YAOKU from your browser’s menu. A Daily you have opened keeps working offline on this device until the next reset.

Saving and offline play

New to YAOKU?

The guided tutorial walks through arrows, badges, and Loose Cards on a real board.

Start the tutorial