[list][*]Redone/retuned difficulty, each character now has an Easy/Normal/Speedy difficulty based on what tower they are in. [*]Added an AI Versus mode to the main menu that lets you select your opponent and their difficulty from unlocked characters, so it's easier to climb the leaderboards. Now finishing an AI Versus match will show you your score and time relative to the rest of the Steam players. [*]Miscellaneous polish and bug fixes all over the place[/list]