Extra Character Colors:
At the Character Select Screen when a fighter is highlighted, press either all 3 kick or punch buttons at the same time to get the fighter's 7th and 8th colors.

Finest KO Conditions:
Do any one of the following:
(1) Counter a super move with a special move
(2) Counter a special move with a level 3 super
(3) Counter a super move with a super move
(4) Finish an opponent with a level 3 super who is taunting

Fight Mini-Bosses:
Do all of the following:
(1) Get at least 800 points
(2) Never get hit by more than 5 first hits in any match
(3) Have at least 2 CC finish or Super finish

Fight Hidden Bosses:
If you play with SNK Groove, you will fight Shin Akuma. With Capcom Groove, you will fight Ultimate Rugal. Do the following:
(1) Get over 1500 GPS by the end of the game
(2) Defeat the Middle Boss
(3) Get at least one Finest Knock Out

Custom Grooves:
If you play with SNK Groove, you will fight Shin Akuma. With Capcom Groove, you will fight Ultimate Rugal. Do the following:
(1) Get over 1000 GPS by the end of the game.
(2) Get four or more special KOs
(3) Middle Boss has appeared
(4) Get two or more LV3 super combo KOs

Boss Challenge Mode:
Unlock Shin Akuma and Ultimate Rugal. Then go to Arcade Mode and highlight it, then hold LP and MP and press Start.

Infinite Custom Grooves:
Beat all characters in Survival Mode.