The next built-in puzzle that matches the selection criteria is loaded. Any changes you made to the current puzzle are lost unless you save them first.
You are asked to enter a specific puzzle number to load. Selection criteria has no effect. Any changes you made to the current puzzle are lost unless you save them first.
A window is displayed that allows you to select built-in puzzles by the difficulty level and strategies used. See Selecting Difficulty for Built-in Puzzles for more information.