Ability to clear high scores for a given difficulty level.
Ability to have a database with empty high scores fields. The previous versions relied on some "dummy" data being in the database.
Whack-a-Frog now saves your preferred difficulty level between applicationruns. If you exit and come back in, it will remember what your difficulty setting is.
There is now a difficulty indicator on the game play form so you know what difficulty you're currently in.
More difficulty tweaks -- gotta get it just right :)