Costumes with a Secret Variant

Instructions:

The code to get the secret variant is always the same, no matter the costume or character, it is:

LP (Light Punch), MP (Medium Punch), HP (Heavy Punch), LK (Light Kick) and Up.

Hold all of them at the same time during the loading screen until the match starts.
You can also do it between rounds to either activate the variant or revert back to the default version.

Urien has an extra variant to some of his costumes which puts him in a thong, the code is different and it is:

LP (Light Punch), MK (Medium Kick), HP (Heavy Punch).

Akira has a bonus variant to her default look as well as a for her story costume, the code is different and it is:

LP (Light Punch), MK (Medium Kick).

The secret variant is always on the RIGHT, the original is always on the LEFT, both of them feature Color 01.

Halloween (Pauldrons are removed)


Mech (Breastplate and exhaust pipes are removed)

Default ((Jacket is removed) Code is LP+MK)
Nostalgia (Hairstyle is changed)
Story (Helmet is removed)
Story II ((Visor is opened) Code is LP+MK)
Swimsuit (Hoodie is removed)

Capcom Pro Tour 2018 (Top is removed)
Garuda ((Fighting EX Layer) Regular Akuma with Garuda's armor)
Nostalgia (Gi top is lowered)

Halloween (Pauldrons are removed)
Holiday (Jacket is removed)
Leo ((Red Earth) Mask is removed)
Nostalgia (Jacket is added)
Professional (Helmet is removed)

Guts Man ((Mega Man) Met is added)


Nostalgia (Shirt is shredded)

Capcom Pro Tour 2018 (Jacket is removed)
Halloween (Apron is lowered/shredded, mask is removed)
Nostalgia (Glasses and Jacket are removed, haircut is changed)

Holiday (Reindeer hat is removed)
Nergigante ((Monster Hunter) Mask is removed)
Nostalgia (Fish are added)

Blair Dame ((Fighting EX Layer) Changed to more closely match the Street Fighter EX version)
Capcom Pro Tour 2016 (Fur Coat is removed)
Dolls (Bomber is removed)
Fiona ((Haunting Ground) Entire outfit is changed)
Halloween (Flowers and veil are removed)
Holiday (Cape is removed)
Jill Valentine ((Resident Evil) Entire outfit is changed)
Killer Bee (Coat is added)
Nostalgia (Cape is added)
School Uniform (Jacket is removed)
Swimsuit (Belt and harness are removed)

B-GIRL (Fur coat is removed)
Capcom Pro Tour 2016 (Scarf is removed)
Covert Operations (Scarf is removed)
June Li Milliam ((Star Gladiator) Hairstyle is changed)
Morrigan ((Darkstalkers) Hairstyle is changed)
Nostalgia (Top and hair thingy are removed, hoodie on waist is added)
Pajamas (Apron is removed)
Professional (Jacket is removed)
School Uniform (Hairstyle is changed)
Special Forces (Vest is removed)
Swimsuit (Pareo is removed)
Training (Hairstyle is changed)
Undercover Cop (Jacket and Hoodie are removed)
Vacation (Pareo is removed)
Wedding (Veil is removed)

Final Fight (Shirt is shredded)
Holiday (Coat is removed)
Nostalgia (Chain is broken and jumpsuit is lowered)
Vergil ((Devil May Cry) Coat is removed, Hairstyle is changed and Perfect Amulet is added)

Nostalgia (One half of the top is lowered)

Halloween (Cape is removed)

Halloween (Mask is removed)


Nostalgia (Belly is hidden)

Demitri ((Dalkstalkers) Becomes a Vampire)
Nero ((Devil May Cry) Coat is removed)
School Uniform (Jacket is removed)
Sporty (Jumpsuit is lowered)

Halloween (Apron is removed)


Mech (Hands become claws, can only be seen during V-Trigger II)

Halloween (Hood is lowered)
Holiday (Hat is removed, stockings are added))
Katt ((Breath of Fire II) Haistyle is changed, cat ears are removed)
Professional (Hairstyle is changed)
Swimsuit (Becomes an actual Swimsuit costume)

Capcom Pro Tour 2021 (Hat is added, Hair/Facial Hair are changed)
Holiday (Jacket is removed)
Skullomania ((Fighting EX Layer) Changed to more closely match the Street Fighter EX version)

Capcom Pro Tour 2020 (Facial hair and Cape on shoulder are removed)


Pyron (Flying thingy is added)

Capcom Pro Tour 2017 (Bandanna and scarf are added, backpack is removed)
Halloween (Shirt is removed)
Nameless Super Soldier ((Forgotten Worlds) Weapon is removed, hairstyle is changed)
SF 30th Anniversary (Hat is removed)

Akane ((Onimusha) Hairstyle is changed)
Kirin (S) Armor ((Monster Hunter) Weapon is removed)
Nostalgia (Face mask and scarf are removed)
School Uniform (Scarf is removed)
SF 30th Anniversary (Hairstyle is changed)
Sporty (Face mask and scarf are removed)
Swimsuit (Scarf is removed)

Halloween (Horns are removed)
Holiday (Scarf is removed)
Lilith ((Darkstalkers) Breasts size is increased)
Mech (Thingies on hips are removed)
Nostalgia (Jacket is removed)
Professional (Hairstyle is changed)
School Uniform (Jacket is removed)
Swimsuit (Jacket is removed)

Asura ((Asura's Wrath) Arms are added)


Capcom Pro Tour 2019 (Jacket is removed)

Hokuto ((Fighting EX Layer) Changed to more closely match the Street Fighter EX version)
Holiday (Hood is removed)
Ingrid ((Capcom Fighting All-Stars) Hairstyle is changed)
Nostalgia (Coat is added)
Professional (Cardigan and Hat are added)
SF 30th Anniversary (Hairstyle is changed)
Sporty (Helmet is removed)
Swimsuit (Hat is removed)

Capcom Pro Tour 2017 (Jacket and scarf are removed)
Dante ((Devil May Cry) The Gilgamesh weapon set from DMC4 is added)
Falcon ((Power Stone) Switches to Power Change mode)
Holiday (Antlers are added, cape is removed)
Rathalos Armor ((Monster Hunter) Helmet and Long Sword are removed)

Ada Wong ((Resident Evil) Entire outfit is changed)
Halloween (Cape/Scarf thingy is removed)
Holiday (Tiara and Jacket are removed)
Nostalgia (Jacket is removed and glasses are added)
Professional (Hair is longer, top is changed and stocking become socks)
Sporty (Hat is removed and hairstyle is changed)
Swimsuit (Coat is removed)

Capcom Pro Tour 2020 (Jacket is removed)
Gloria ((Devil May Cry) Hairstyle is changed)
Holiday (Waist cape is removed)
Sporty (Hair is untied, thank you to ShinBison88 on Gamefaqs for the detective work) https://gamefaqs.gamespot.com/boards/895976-street-fighter-v/76462774
Swimsuit (Jersey is removed)
Swimsuit 2 (Robe and glasses are removed)

Capcom Pro Tour 2020 (Hairstyle is changed)
Holiday (Arm and leg thingies are removed)
Nostalgia (Jacket is removed)
Sporty (Cap is removed, glasses and t-shirt are added)
Swimsuit (Top and short are removed)

LUKE JOINS ORO IN THE "NO VARIANTS CLUB". PRESS F TO PAY RESPECTS.

Astaroth ((Ghosts 'n Goblins) Wings are removed and boots are changed)
Halloween (Cape is removed)
SF 30th Anniversary (Cape is removed)

Devilotte ((CyberBots) Hairstyle is changed)
Felicia ((Darkstalkers) Cat is added)
Holiday (Hood, tail and gloves are removed)
Khaibit ((Darkstalkers) Arm thingy is removed)
Professional (Apron is removed, hairstyle is changed)
School Uniform (Jacket is removed)
Sporty (Hairstyle is changed)
Swimsuit (Cape is removed)

Captain Commando ((Captain Commando) Hairstyle is changed)
Halloween (Coat is removed)
School Uniform (Jacket is opened, sleeves are rolled up)

Capcom Pro Tour 2016 (Top is removed)


Halloween (Jacket is removed)

SWIMSUIT COSTUME FOR ORO WHEN CAPCOM???

Halloween (Jacket is removed)
Holiday (Hood is lowered, hairstyle is changed)
Lady ((Devil May Cry) Hairstyle is changed)
Nostalgia (Hair is shortened)
Swimsuit (Vest is removed)

Holiday (Coat is removed)
Professional (Pom-poms are removed)
Professional 2 (Bunny ears are removed)
School Uniform (Hairstyle is changed)
Swimsuit (Hoodie is removed)
Zinogre Armor ((Monster Hunter) Bow is removed)

Air Man ((Mega Man) Weapon is removed)
Capcom Pro Tour 2019 (Batting helmet is changed to Baseball cap, Gloves are removed)
Sporty (Jacket is removed)
Viewtiful Joe ((Viewtiful Joe) Part of the helmet is removed)

Nostalgia (Face mask and hat are removed)


Swimsuit (Hat is removed)

Arthur ((Ghosts 'n Goblins) Entire armor is removed)
B-BOY (Jacket is removed)
Capcom Pro Tour 2017 (Dragon is removed)
Halloween (Breastplaste and helmet are removed)
Jin Saotome ((CyberBots) Urien energy is released)
Kairi ((Fighting EX Layer) Head is changed to Default Ryu)
Mega Man ((Mega Man) Helmet and weapon are removed)
School Uniform (Coast is removed)

Capcom Pro Tour 2019 (Coat is removed)
Nostalgia (Pants and boots are added)
Shade ((CyberBots) Head is changed)

Capcom Pro Tour 2018 (Hair Bow is removed)
Holiday (Antlers, gloves, and stockings are removed)
Nostalgia (Backpack is added)
Party Dress (Vest is removed)
Roll ((Mega Man) Top is removed)
Swimsuit (Vest is opened)

Capcom Pro Tour 2021 (Face Jewelry, Head Scarf and Pareo are removed)
Nostalgia (Wounds are added)
Professional (Hairstyle is changed)
Swimsuit (Jacket and glasses are removed)

Battle Outfit, Thong variant
Default, Thong variant
Donovan ((Darkstalkers) Hairstyle is changed)
Donovan, Thong variant (Darkstalkers)
Halloween (Cape/Scarf is removed)
Halloween, Thong variant
Story, Thong variant
Wesker ((Resident Evil) Coat is removed)

Halloween (Coat is removed)
Professional (Top is removed)
Professional 2 (Coat is removed)

Holiday (Bear is removed)
Mech (Wings are removed)
Sporty (Armor parts are removed)

Kenji ((Red Earth) Katana is removed)
Nostalgia (Face mask is removed, not very 2020 of him)
Professional (Top is lowered and rope thingy is removed)

Thank you to everybody contributing to the Street Fighter wiki as that's where I got the up-to-date list of costumes that I then slimmed down to only include those with a secret variant and sorted them alphabetically. https://streetfighter.fandom.com/wiki/Alternate_Costumes/Street_Fighter_V

Thank you to Capcom I guess, for releasing the Champion Edition, allowing me to buy most costumes on the cheap and making this guide possible.

A big thank you to everybody in the comments who helped me in any way, shape or form.

Screenshots are my own. They were taken at max graphics, 1440p/1080p and then jpeg-ified to make this guide loadable even on slower internet connections.

If I forgot anything or made any mistakes, please let me know in the comments.

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And finally, thank you for reading!