KenKen Arcade
Beyond the original. Number games, word puzzles, and logic challenges, each one built here and made to make you a little sharper.
Play now
Two games, both free, both verified to have exactly one answer.
Sudoku
One through nine, no two alike in any row, column or box. Easy to Expert, notes, hints, and a game that saves itself.
KenKen
The one that started it all. Fill the grid so every row and column holds each number once, and each caged group hits its math target.
Coming soon
What is being built next, sorted by the kind of thinking it rewards. Every one of these will be made here, the way Sudoku was.
Number games
Arithmetic with a bite. Deduce, tally, and place digits until every clue balances.
GridSums
Slot digits into every run so each line adds up to its clue, and no number repeats along the way.
Factor Field
Carve the board into groups whose numbers multiply to the target stamped on each tile.
Balancer
Arrange the numbers so every row, column, and diagonal shares the exact same sum.
Word puzzles
Letters, hidden and scrambled. Chase the words until the last blank falls into place.
Cryptic Cross
Wordplay, misdirection, and that satisfying click when the final clue finally clicks in.
Petal Pusher
Connect the petals of letters to spell every hidden word that blooms around a central core.
Hidden Hunt
Comb a jumbled grid of letters for the whole word list before the timer winds down.
Rung by Rung
Climb from one word to another, swapping a single letter on each step of the ladder.
Logic challenges
No numbers required. Just rules, constraints, and the patient joy of ruling things out.
Bridgeworks
Link the numbered islands with bridges until every count is met and the whole map connects.
Lightform
Light every room by placing bulbs so that no two of them ever shine on each other.
Loop de Loop
Draw one unbroken loop that threads the board and obeys every number it passes.
Tidepool
Flood the grid into separate islands and one connected sea, guided only by the counts.
Ready to Challenge Yourself?
You know the math. Now see what your brain can do.