In Arrow Sudoku, every puzzle contains a handful of "arrows" laid out in unique patterns. The numbers found along the shaft of the arrow must sum up to the number at the base. This simple rule leads to endless variety in the puzzles you will conquer.

In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles.

Can you complete the Prime Mosaic gallery? Play more than 140 beautifully hand crafted levels and unveil the gallery!

An endless, thought provoking, meditative Chess puzzler with a twist. Clear the board by chaining together moves.

Help Snow White to find true love! It features a collection of colored puzzles solved by logic, while following the Snow White Story. Are you ready to solve the puzzles as the story develops?

Place all the pieces into the grid, and as long as they don’t overlap, you can clear the level. Simple rules but a real challenge. Want to give it a try?

Presented by Cracking The Cryptic, YouTube's most popular Sudoku channel, here is the brand new "Sandwich Sudoku" game that has become an internet sensation!

Miracle Sudoku features beautiful puzzles that at first glance look impossible to solve!! Indeed, some of our Miracle puzzles have as few as two givens digits (!) but you will find them all to be solvable with a bit of clever logic!

How does Thermo Sudoku work? Each sudoku grid contains thermometer shapes (often drawn to create themes) and digits on thermometers must increase as one moves further from the bulb end.

How does Chess Sudoku work? Well we’ve taken the classic sudoku game everyone knows and loves and created puzzles with chess-related twists! There are three different types of puzzles in the game: Knight Sudoku; King Sudoku and Queen Sudoku.

In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles.

In Arrow Sudoku, every puzzle contains a handful of "arrows" laid out in unique patterns. The numbers found along the shaft of the arrow must sum up to the number at the base. This simple rule leads to endless variety in the puzzles you will conquer.