Suguru & Variants by Logic Wiz

Kropki Puzzle

6000 levels of KROPKI puzzle.

Suguru

6000 levels of Suguru puzzle.

Arturo Suguru

Better than Sudoku!

Cracking the Cryptic

Curated Sudoku Puzzles

Miracle Sudoku

by Cracking the Cryptic

Tectonic | Logic puzzles

A fun Sudoku alternative

Fantastic Sudoku Variants

Sudoku puzzles and variants

Thermo Sudoku

by Cracking the Cryptic

Binary.1001

Challenging logic puzzle.

The Futoshiki

12000 levels of the Futoshiki.