A new kind of logic challenge

Can you solve
Cube-16?

A unique “Sudocube” puzzle on a 4×4 cube. Simple to learn, challenging to master.

Logic challenge · New puzzle format

A 4×4 cube turned into a 2D cross.

Each face is a 4×4 grid. Place numbers 1 through 16 without repetition while rows and columns connect across the cube’s six faces.

TOP

LEFT

FRONT

RIGHT

BOTTOM

BACK

Animation speed 1.5 s

Vertical Horizontal Lateral

Every move matters. Solve with logic, not guesswork.

Think beyond the grid

Why Cube-16 feels different from Sudoku.

Instead of solving a flat board, you reason across six connected faces. The unfolded cross keeps every relationship visible while your mind works in 3D.

4×4 cube · 6 faces Numbers 1–16 Cross-face connections

Multiple difficulty levels, from initiation to expert.
Horizontal, vertical, and lateral lines connect the faces.
A clean interface designed for focus and spatial reasoning.
No ads and no interruptions, just the puzzle.

Ready to challenge your logic?

Download Cube-16 and discover a puzzle where every face changes the way you think.