Nine numbers.
Nine gaps.
Every line has to come out right.
A small, sharp arithmetic puzzle, with a new board every day that's the same for everyone.
Free, for iPhone, iPhone Duo and iPad.
How it works
Put each number from 1 to 9 into the grid once, so every row and every column comes out to the number after its =. Once a line is full, its result turns green if it adds up.
A full line that adds up: its result turns green.
Puzzle of the day
Every day brings a new board, the same for every player in the world. Mondays are gentle; Saturdays are hard. You get one try.
Solve it to keep your streak going, then share how you did: a grid of squares that shows how you filled it in, never the numbers.
Stuck?
A hint writes one number in for you, in marker. It stays for good and adds 30 seconds to your time. How to play.
Five levels
The harder the level, the fewer numbers you're given. Every game is a fresh board, and your best time on each level goes into the hall of fame.
- novice4 numbers given
- medium3 numbers given
- advanced2 numbers given
- expert1 number given
- masterno numbers given
Yours, and nobody else's
No ads, no accounts, and no data collected. Your best times and streak sync between your own iPhone and iPad through iCloud. Read the privacy policy.