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KaizenDoku

Sudoku. With Friends.

Download on the App Store Promos & Codes

Game Modes

KaizenDoku is the sudoku experience designed for players to enjoy solo, or learn to solve and play with your friends.

Time Attack

Classic Sudoku. Race against the clock and solve before time is over.

Solo
Multiplayer

Co-op

Solve with a friend in iMessages. You and a partner alternate turns, solving a single number at a time. Simple, strategic, satisfying.

Multiplayer

Versus

Head-to-head with a friend in iMessages. Take turns placing your number, faster moves earn higher point multipliers. Complete a section or pull off a Flawless to steal extra turns and chain combos.

Multiplayer

Kudosu

Spot the duplicate numbers before time is over.

Challenge

Learn to Solve

Real worked examples for every technique from Naked Singles to X-Wing and Swordfish! Learn as you play! KaizenDoku uses the same engine to show you exactly what you used after each game.

5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
5
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9

Naked Single
9
35
7
4
2
1
8
35
7
5
34
2
6
1
9
4
5
4
5
7
9
9
2
1
8
3
4
5
9
5
7

Naked Pair
9
7
4
2
1
8
348
1489
7
5
2
6
1
9
4
5
4
5
7
9
9
2
1
8
3
4
5
9
5
7

X-Wing
9
7
4
2
1
8
7
5
2
6
1
9
4
5
4
5
7
9
9
2
1
8
34567
3
4
5
9
5
7
23468

Swordfish
See all techniques

Global Leaderboard

Top players worldwide.

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