Solve your 4×4 cube, one turn at a time in 3D.
Enter the colours or photograph each face. Squares your input proves are filled in automatically.
Paint the colours you see on your cube
96 squares left
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Nothing is guessed
Only squares that follow logically from what you entered are filled in. Anything still ambiguous stays empty, so a colour on screen is never wrong.
You never re-grip
Line up the top and front colours with the 3D cube once, then only turn the face you are shown. The cube itself stays put.
Works offline
Solving runs in your browser. Only the 3×3 and 4×4 searches need the network; everything else works without a signal.