This is a Sudoku game made in C++ and SDL2. It's currently available for Switch, Wii U, Vita, and PC.

Features
Play Sudoku puzzles of Easy, Normal, Hard, or Very Hard difficulty
These puzzles are generated on-demand using a built-in algorithm; however, to eliminate computation time on weaker devices, Hard and Very Hard puzzles have been pre-generated.
Mouse, keyboard, controller, and touch screen support
Supports many resolution options ranging from 320x240 to 5120x2160
Scrolling background with customizable settings (size, scroll speed, angle)
Calm and envigorating MOD music to suit your mood
Shaded text for a nice, 3D look
Runs on a potato
Optional auto-fill cheat, in case you get stuck

Developer Site | Permalink