# Sound test

Successfully complete Stage 60 in Quest Survival mode to unlock the "Sound Test" option, which contains 52 tracks, most of which are from classic Neo Geo games.
# Alternate costumes

Colors E, F, G, and H can be unlocked for characters "Normal" and "Another" costumes by completing Story mode, completing a Challenge mode mission, completing Time Attack mode, or by progressing through the Quest Survival stages.
# Bonus stages

Successfully complete the indicated task to unlock the corresponding bonus stage:

Stage 1: Successfully complete Story mode.
Stage 2: Successfully complete the first 50 Easy difficulty missions.
Stage 3: Successfully complete the last 50 Easy difficulty missions.
Stage 4: Successfully complete the first 50 Hard difficulty missions.
Stage 5: Successfully complete the last 50 Hard difficulty missions.
Stage 6: Successfully complete stage 60 in Quest Survival mode.
Stage 7: Successfully complete stage 120 in Quest Survival mode.
Stage 8: Successfully complete stage 180 in Quest Survival mode.

# Bonus characters

Successfully complete the game with a different character the indicated amount of times to unlock the corresponding character:

Armor Ralf: Successfully complete the game with eleven different characters.
B. Jenet: Successfully complete the game with five different characters.
Fio: Successfully complete the game with three different characters.
Hanzo Hattori: Successfully complete the game with four different characters.
Hyena: Successfully complete the game with thirteen different characters.
Jivatma: Successfully complete the game with fourteen different characters.
Kim Kaphwan: Successfully complete the game with any character.
Kyo Kusanagi (Classic): Successfully complete the game with nine different characters.
Lilly Kane: Successfully complete the game with eight different characters.
Mr. Karate: Successfully complete the game with twelve different characters.
Nightmare Geese: Successfully complete the game with six different characters.
Ninon Beart: Successfully complete the game with seven different characters.
Richard Myer: Successfully complete the game with two different characters.
Wild Wold (MOTW Terry): Successfully complete the game with ten different characters.