CUBE-16
New · A new kind of Sudoku

What if Sudoku had 6 faces?

Cube-16 elegantly reinvents Sudoku. Each puzzle unfolds harmoniously across the six faces of a 4x4 cube unfolded into a 2D cross. Your goal: fill each face with the numbers 1 through 16, without repetition.

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Sudoku enters a new dimension

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Cube-16
Cube-16
Sudoku, reinvented
  • Completely unique
  • A brand-new challenge
  • 6 levels, from Novice to Expert
  • 675 grids include all difficulty levels

Ready to push the limits of Sudoku?
Buy Cube-16 now.

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A completely unique challenge

Rows and columns cross multiple faces, creating horizontal, vertical, and lateral connections. This unique mechanism blends Sudoku, logic, and spatial reasoning to offer a completely new puzzle-solving experience.

6 faces, 1 cross

The 4×4 cube is unfolded into a 2D cross: 6 faces, 96 cells, all connected.

1 to 16 on every face

Each face must contain the numbers 1 through 16, each exactly once.

3 connections

Horizontal ↔, vertical ↕ and lateral ⟳: every 16-cell line wraps around the cube.

6 difficulty levels

Whether you're a beginner or an expert, Cube-16 offers 6 difficulty levels to suit your skill level.

  1. 1Novice
  2. 2Easy
  3. 3Intermediate
  4. 4Difficult
  5. 5Advanced
  6. 6Expert

New to Sudoku? The Beginner mode guides you step by step to understand the rules and concepts of Cube-16.

Already an experienced player? The Easy to Expert levels will offer a challenge that matches your skill level.

Take the Cube-16 challenge

Available on iPhone and iPad, Android and Windows.

Download on the App Store Get it on Google Play Get it from Microsoft Store

Learn more: understanding the transformation from the 3D cube to the 2D cross.