thinkygames.com
The latest sprawling metroidvania-style Sudoku puzzle has arrived: Sudokuvania 2: Lineage of Logic is out now · Thinky Games
Sudokoid and Sudokuvania are all the rage in the world of paper-logic-puzzles. These giant abominations take the old favorite Sudoku and twist and stretch it into the shape of a metroidvania videogame, complete with explorable maps, item upgrades, boss fights and secrets.