Price on Amazon
$12.99 to $18.99
Secure Now
Sudoku

Sudoku X Large Print

$12.99 to $18.99

Final price depends on shipping costs and country of purchase

1080 Diagonal Sudoku Book for Adults. High volume logic training.

Quantity1080 Puzzles
Layout6 Per Page

EXECUTIVE SUMMARY

Sudoku X (Diagonal) adds the "Identity Constraint". By requiring unique numbers on both main diagonals, this protocol doubles the logical scan-rate required for completion.

PROTOCOL BENEFITS

  • Enhanced Scan-Rate: Trains the eyes and mind to process non-standard patterns (Diagonals).
  • High Volume Mastery: 1080 puzzles provide a relentless training path for cognitive durability.
  • Concentration Support: Multi-constraint logic that prevents mental distraction.
Secure Checkout
Global Shipping
KDP Quality

Related challenges

Curated Recommendations

Amazon
Pocket Sudoku Book (Medium)
Pocket Sudoku Book (Medium) Details

Pocket Sudoku Book (Medium)

$4.99 to $6.99
Amazon
Hyper Sudoku Large Print (Windoku)
Hyper Sudoku Large Print (Windoku) Details

Hyper Sudoku Large Print (Windoku)

$7.99 to $12.99
Amazon
The Ultimate Large Print Sudoku (Standard)
The Ultimate Large Print Sudoku (Standard) Details

The Ultimate Large Print Sudoku (Standard)

$6.95 to $9.95
Amazon
Sudoku For Adults (Full Library)
Sudoku For Adults (Full Library) Details

Sudoku For Adults (Full Library)

$8.50 to $12.50
Amazon
Sudoku Master Collection (All Levels)
Sudoku Master Collection (All Levels) Details

Sudoku Master Collection (All Levels)

$8.50 to $12.50
Amazon
Ultimate Jigsaw Sudoku Easy
Ultimate Jigsaw Sudoku Easy Details

Ultimate Jigsaw Sudoku Easy

$6.95 to $9.95
Amazon
Pocket Sudoku Book (Easy)
Pocket Sudoku Book (Easy) Details

Pocket Sudoku Book (Easy)

$4.99 to $6.99
Amazon
Sudoku for All Ages (Youth to Senior)
Sudoku for All Ages (Youth to Senior) Details

Sudoku for All Ages (Youth to Senior)

$7.99 to $11.99
Castor Digital Labs

© 2026 Castor Digital Labs. All Rights Reserved.

Precision protocols for the modern mind.