checked-no =>Credits: Complete the Challenge mode or solve all 100 puzzles and the credits sequence will play. =>More Puzzles: There are 100 Puzzles, but you only start off with ten. Completing all ten puzzles will open up the next set of ten, and it will also give you ten additional Custom Puzzle save slots. Once you've opened up all 100 puzzles, you'll be able to save up to 100 custom puzzles as well.