ZOKKU: Math Logic Puzzle

ZOKKU is a math grid puzzle where logic beats luck. Fill each row and column with the numbers 1 to N—no repeats—and make every colored cage hit its target using + − × ÷ and ^. Every puzzle has exactly one solution and can be solved by pure deduction. No guessing, ever.

★ 9 WORLDS, 159 LEVELS
Start with gentle 3×3 grids and climb to 8×8 challenges. Each world introduces something new: subtraction, multiplication, division, exponents, mystery cages, diagonal rules and killer cages.

★ MYSTERY CAGES
Some cages hide their operator—or even their target. Work out what fits and crack them with pure reasoning.

★ A FRESH PUZZLE EVERY DAY
The Daily Challenge is the same for everyone. Keep your streak alive, earn badges and get a free hint every day you play.

★ DESIGN YOUR OWN CHALLENGE
Free Mode lets you pick grid size, operators, mystery ratio and rules. Your first custom puzzle each day is free.

★ BUILT FOR FOCUS
• No ads while you solve
• Notes, auto-clearing notes, undo and redo
• Pause anytime—the board hides, the timer stops
• Continue unfinished puzzles exactly where you left off
• Same-number highlighting and gentle animations
• Plays fully offline

★ EARN THREE STARS
Finish fast and use few hints to collect all three stars on every level. Share your result without spoilers.

★ MADE FOR EVERYONE
Dark and light themes, screen reader support, large-text friendly layouts and 10 languages.

Hints are optional: use a hint from your balance, watch a short video, or grab a hint pack. Hint packs come in 5, 10 and 20.

Train your brain with ZOKKU—where math meets logic.

Recent changes:
• The number of levels has been increased to 175.
• New areas and content have been added.
• Various bugs have been fixed for a smoother experience.