Play 3D Tower Sudoku (6×6×6) Online Free

Play Tower Sudoku 6×6×6 online for free. Six 6×6 floors with vertical pillar constraints. 216 cells of 3D logic.

▶ Play Tower Sudoku 6×6×6 — Free
🟢 Easy 🟡 Medium 🟠 Hard 🔴 Expert

How to Play Tower Sudoku 6×6×6

  1. Six 6×6 Sudoku floors stacked vertically.
  2. Each floor: rows, columns, and 2×3 boxes contain 1-6.
  3. Each pillar (same position across all 6 floors) contains 1-6 with no repeats.
💡 Pro Tip
With 216 cells, focus on one floor at a time but regularly check pillar constraints across floors.

Frequently Asked Questions

What box shape does each 6×6 Tower floor use?

2 rows by 3 columns. Each floor uses 2×3 boxes alongside the standard row and column uniqueness rules.

How many cells does a 6×6×6 Tower have in total?

216 cells — six 6×6 floors stacked, with vertical pillar constraints linking them.

Try More Puzzle Modes

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▶ Play Tower Sudoku 6×6×6