Word Square - Sudoku, but with letters and words.

Crypt of the NecroDancer - Crypt of the NecroDancer is a Playable, Action-Adventure, Rough-like, Role-playing, Co-op, 2D and Single-player video game created and published by Brace Yourself Games.

SudoKoi - Your next favorite pastime, like Sudoku

Moonlighter - Create some headspace & focus on building those ideas

UsDoku - Play real-time multiplayer Sudoku.

One Way Heroics - One Way Heroics is an Awesome, 2D, Rough-like, Role-playing, Turn-based, Action-Adventure, Top-Down and Single-player video game created and published by Smoking Wolf.