55		Sudoku Crunch for Kids! (Windows, 2006)
54		Puzzler Sudoku: Volume 1 (Windows, 2005)
54		Professor Fuji's Sudoku Deluxe (Windows, 2005)
43		Pipe Mania (Windows, 2008)
42		Log!cal (DOS, 1991)
40		Night Maze (DOS, 1994)
40		Atomino (DOS, 1990)
40		Find the Balance (Windows, 2018)
40		Rocks 'n' Diamonds (DOS, 1998)
40		Urban 2 (Windows, 2014)
40		Swing Plus: Total Mindcontrol (Windows, 1999)
40		Rocks 'n' Diamonds (Windows, 1998)
40		Sizeblock (Windows, 2016)
40		Rock 'n Roll (DOS, 1990)

Notes: Games similar to Su Doku, Games like Su Doku, Greenstreet Software Ltd., Greenstreet Software Ltd., Windows, Puzzle, Real-Time, Top-down, PC, Game Similarities.