A daily puzzle that takes a few minutes, and keeps count of how you're doing.
Every day
Three boards a day
Today's 5×5, plus a 4×4 and a 6×6 beside it — all three free, every day. Your streak and stats follow the 5×5.
The score
Your time is your score
The clock is the only measure of a solve. Stuck? Two hints a day: the first adds a minute, the second two more — so a hinted solve never beats the same solve unaided.
Fair
One board for everyone
Everyone gets the same board each day, and your first attempt is the one that counts. Every puzzle is built backwards from a finished grid, so no day is ever unsolvable.
Streak
A streak with a safety net
Play every day to build your streak. You start with two freezes that cover a missed day, earn another for every seven days in a row, and can bank two.
Stats
Stats that keep count
Days played and solved, hint-free solves and your longest clean run, your fastest time, and where each day landed — from Just started to Solved.
Share
Share without spoilers
Send your result and your time to a friend without giving the board away.
Private
Yours, on your phone
No account and no sign-in. Your results, streak and settings stay on your device. Sound and haptics switch off if you'd rather. Privacy
The one purchase
The archive
The 555 days before today, at every size, open with one optional purchase. Today's three boards stay free either way.