Count Doku: Mental Math Games
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| Rating | |||
|---|---|---|---|
| United Kingdom | 74%23 | 4.30 | |
| United States | 6%2 | 5.00 | |
| Colombia | 3%1 | 4.00 | |
| Jamaica | 3%1 | 5.00 | |
| Moldova | 3%1 | 5.00 | |
| Mexico | 3%1 | 3.00 | |
| Malaysia | 3%1 | 5.00 | |
| Vietnam | 3%1 | 5.00 | |
| United Arab Emirates | <1%0 | — | |
| Afghanistan | <1%0 | — |
Description
Reach the target number. That's it — that's the game. Getting there is where your brain comes in.
Count Doku hands you a set of numbers and four operations (+, −, ×, ÷). Combine them cleverly to hit the target. It takes seconds to learn, yet every puzzle makes you think — and just five minutes a day keeps your mental math sharp.
THE DAILY CHALLENGE
One puzzle. One day. Everyone plays the same board.
Solve it to build your streak
Share your result and challenge friends to beat it
Come back tomorrow for a fresh puzzle
WHY COUNT DOKU WORKS
Flashcard drills are boring — so nobody sticks with them. Count Doku turns practice into play: instead of memorizing answers, you use numbers creatively to reach a goal. That builds real problem-solving skill and number sense, not just memorization.
TRAIN ALL FOUR OPERATIONS
Addition, subtraction, multiplication, and division. Every puzzle mixes them, so your arithmetic stays balanced and quick.
STUCK? GET A NUDGE
A gentle glow highlights the next two tiles to combine — a hint that points the way without spoiling the solve.
RISING CHALLENGE
Progress through level after level as the difficulty adapts to you. There is always a next puzzle waiting.
DESIGNED TO BE CALM
Clean, minimalist design. Vibrant colors, zero clutter, no pressure — just you and the numbers.
PERFECT FOR
Adults who want a quick daily brain workout
Students sharpening mental arithmetic
Fans of sudoku, crosswords, and logic puzzles
Anyone who wants to feel faster with numbers
FEATURES
The Daily Challenge, with streaks and shareable results
A deep library of levels that grows with your skill
Hints and Nudges for when you're stuck
Game Center leaderboards
Sessions under five minutes
Free to play
Make math the best five minutes of your day — download Count Doku and play today's puzzle.