Huge update with lots of additions and improvements including single player challenges, custom character creation, new weapons, and many improvements.
Added:
-Single player challenge mode with 120 challenge stages and 3 skill levels
-Can set AI difficulty in all modes
-Improved AI
-Can add custom characters (create and share any character you want!)
-New weapons and powerups
-Custom weapons for characters
-Replaced CTF stage
-Additional options
-New stage
-New characters
-Added beta option to play 3 players on a single full-size keyboard (it's still recommended to use game controllers when if possible)
-Bug fixes
-Too many tweaks and updates to name them all