Galaxy Fight

Fight as the Boss characters:
Highlight the Vs. mode option on the main menu. Hold L + R + Y on controllers one and two, then press Start on controller one. Bonus-kun, Yacopu, Felden, and Warou will be accessible on the character selection screen.

Choose taunt:
Hold A, B, or C to select a different taunt at the end of a match.

Fight against Rouwe:
Successfully complete the game with any character without losing a round. Rouwe will appear after your character's ending. Note: You may use continues, but you cannot lose a round. Also, your ending will not change.
Information in this section was contributed by Louie.

Special credits:
Reach Rouwe and do not defeat him. Sketches of the characters will be displaying the credits.
Information in this section was contributed by Louie.

Hidden ending:
Play through the game and defeat Rouwe when you reach him. After you defeat him, you will get a congratulations picture of all the characters before the credits.
Information in this section was contributed by Louie.