Ancient Puzzle - Ancient Puzzle: Unique game that combines Match-3 with RPG
Simple Sudoku - Freeware Sudoku Puzzle Maker and Solver
Gem Gem Blitz - *Game Story The weak prince has got into trouble.
Yasminoku - Sudoku game and solver totally written in DHTML.
Gem Pop - Story time's over. It's time to crush rocks.
HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.