Sudoku Gridmaster FAQs
Sudoku Gridmaster Unlockables
DS | Submitted by CroaghPuzzles
You recieve stars for beating levels at different difficulties:
Practice and Easy Normal Hard
New levels open up when you collect 20 stars.
Sudoku Gridmaster Hints
DS | Submitted by CroaghInfinite Time
Just press start while playing to pause the game. You can still see the screen, so you have infinite time to decide what your next move is.