Logic Masters Deutschland e.V.

Rules

1. Base
Normal Sudoku rules apply.

2. MinMax
Digits inside a light gray box must be lower than adjacent outside digits, while digits inside a dark gray box must be higher.

More MinMax Sudoku puzzles
This puzzle appears as puzzle #51 in my book 128 Handcrafted MinMax Sudoku. If you enjoyed solving it, you'll find 127 more handcrafted MinMax puzzles in the full volume, ranging from beginner-friendly introductions to expert-level challenges.

Discover the series
128 Handcrafted Sudoku Variants is an ongoing series where each volume explores a new Sudoku variant. Every book gradually progresses from easy 4×4 puzzles to expert 9×9 challenges, making the series suitable for both newcomers and experienced solvers.