I’ve just released my first game Dark Sudoku. It’s is implementation of a popular over the world classic Sudoku puzzle. The game has 15000 different puzzles and comes in five well-balanced difficulty levels: flash, easy, medium, hard and evil. All puzzles can be logically solved. Interface of Dark Sudoku was carefully designed to be simple even for beginners.

Game available for free on PC and mobile, more details on  https://pasternak.itch.io/dark-sudoku

Please give it a try! Any feedback is welcome:)

Source: itch.io