- 087-B
- 1-Up Mushroom
- 1-Up Mushroom/MatsudaSpecial's version
- 100M
- 177
- 20000
- 2010LifeGame
- 25m
- 2Fort
- 3v3 & 4v4 patch
- 50M
- 70
- 7 GRAND DAD Title Screen
- 7 Up Bottle
- @ndroide
- A-Bomb
- A.B.A
- A.I.
- A.T.P Engineer
- A.T.P Engineer/Mamaluigi339's version
- A487561
- ADOM
- ADOM/Daniel9999999's version
- ADOM/MattTheBiscuit's first version
- ADOM/MattTheBiscuit's second version
- ADOM/MattTheBiscuit's second version/Alternative palettes
- AI Generator
- AK1 M.U.G.E.N Community
- ALF
- ALF/Zobbes' version
- ANMC
- ANONYMOUS data-Demon
- A Dark Empty Room
- A House
- A Midsummer's Bliss
- A Strange Door
- Abandoned Hydro-Electric Plant
- Abomination
- Abomination/Arkady & Cravd's version
- Abrasive SpongeBob
- Abrasive SpongeBob/EmmanuelMugen1331's version
- Abyss
- Acey
- Acid Rain
- Actarus
- Adam Amundson
- Add004
- Adeleine
- Adeleine/Ganva's version
- Ado's Clouds
- Adolf Hitler
- Adolf Hitler/a487561's version
- Adolf Hitler/a487561's version/Edits
- Adon's Stage (SFA)
- Adrian (character)
- Adrian (character)/Adrian's version
- Adrian (creator)
- Advent Cirno
- Aerith Gainsborough
- Agent Venom
- Agent Venom/Logansam's version
- Agrabah
- Agrias Oaks
- Agumon
- Agumon/Tsunamidusher's version
- Agumon/Tsunamidusher's version/Alternative palettes
- Ahuron
- AiAi
- AiAi/AxKing's version
- Aiduzzi
- Aiko Senoo
- Air Armada
- Air Man's Stage
- Aircraft Carrier at Midway
- Airport
- Airship (SMB3)
- Airship Chase
- Akane Inuwaka
- Akatsuki
- Akatsuki/Mikita's version
- Akira Tadokoro
- Akira Tadokoro/Ankokunaitou's version
- Akira Yuki
- Akira Yuki/Ryon's version
- Akuma
- Akuma's Stage (SFA)
- Akuma/Felineki's version
- Akuma/M.M.R's version
- Aladdin
- Aladdin Roof
- Alakazam
- Alakazam/Bakisimu's version
- Albert Wesker
- Albert Wesker/Kenshiro99's version
- Alerkina4
- Alex (Original)
- Alex (Original)/ToonAlexSora007's version
- Alex (Street Fighter)
- Alex (Street Fighter)/GM's version
- Alex Mercer
- Alexlexus
- Ali
- Alice (Shin Megami Tensei)
- Alice (Shin Megami Tensei)/Bananachips' version
- Alice (Shin Megami Tensei)/Count-Blue's version
- Alice (Shin Megami Tensei)/IBUKAH's version
- Alice Carroll
- Alice Margatroid (Touhou Project)
- Alice Margatroid (Touhou Project)/RicePigeon's version
- Alice Margatroid (Touhou Project)/RicePigeon's version/Alternative palettes
- Alien Hominid
- Alien Hominid/Paul Centola's version
- Alien Hominid/kidthomas's version
- Alive 2007
- Alpha Counter
- Alpha X-MUGEN Tile
- Alphys
- Alphys/FourthRhyme's first version
- Alphys/FourthRhyme's first version/Edits
- Alvin Seville
- Alvin Seville/XGAles' version
- Amarimono
- Amingo
- Amingo/Beximus' version
- Amingo/Danielps & Ryouwin's version
- Amingo/Kamekaze's version
- Amingo/Kong's version
- Amingo/Rajaaboy's version
- Amitie
- Amitie/M3's version
- Amon Ra
- Amy Rose
- Amy Rose/MUGENHunter's second version
- Amy Rose/MUGENHunter's second version/Edits
- Ananzi
- Ananzi/Andrés Borghi's version
- Ancient Ruins
- Andrés Borghi
- AndysMugen
- Ange Ushiromiya
- Angel Island
- Angel Island Zone
- Angered Driver
- Angle Draw Sphere
- AngryNoahs
- Angry Birds
- Angry Video Game Nerd
- Angry Video Game Nerd/SSkye's version
- Angry Video Game Nerd/SSkye's version/Edits
- Animated
- Animus
- Animus/Andrés Borghi's version
- Animus/Andrés Borghi's version/Alternative palettes
- Anjel
- Annie Murakami
- Annoying Orange
- Another Dimension
- Ant Man
- Ant Man/Arkady's version
- Anti-Cheap
- Anti-Gouki Project
- Anti Jumpman666
- Ao Oni
- Ao Oni/iiotoko's version
- Aokmaniac13
- Apelao
- Aperson98
- Apocalypse
- Apocalypse/N64Mario's version
- Apocalypse/N64Mario's version/Alternative palettes
- Apocalypse/OnslaughtX & Kung Fu Man's version
- Apocalypse/RobiWanKenObi, Cravd & MMV Team's version
- Applejack
- April's Apartment
- Aqua Sky
- Aqua Teen's House
- Aquaman
- Aquaman/Erradicator's version
- Aquaman/Zvitor's version
- Arcadboy (creator)
- Arceus
- Arceus/Orion's version
- Arche
- Archetype Earth
- Area A - Forest
- Aries Stage
- Arkanoid Syn
- Arle Nadja
- Arle Nadja/M3's version
- Arle Nadja/M3's version/Edits
- Arlong
- Armor
- Arnold
- Arnold's Room
- Arnold/ToonAlexSora007 & Jarquin10's version
- Arsenal Cheater
- Arsenal Cheater/EmmanuelMugen1331's version
- Art Museum
- Art of Fighting
- Art of Fury
- Arthas
- Arthur
- Arthur/Acey & Sludge's version
- Artistropeadope
- Asagi
- Asellus
- Asgard Bifrost
- Ash Crimson
- Ash Crimson/Helios' version
- Ash Crimson/Meta Gouki's version
- Asha
- Asha/RoySquadRocks' version
- Ashley
- Ashley's Mansion
- Ashley/Diamondswag12 Productions' version
- Aska
- Aska/Big Eli King's version
- Aska/Big Eli King's version/Edits
- Aska/Kamekaze's version
- Asriel Dreemurr
- Asriel Dreemurr/Sumin's version
- Assist
- Asura
- Atlantian Waters
- Atroce
- Attos Chiros
- Audino
- Audino/Zenjidoh's version
- Audino/Zenjidoh's version/Alternative palettes
- Augustin Burger
- Aurora City
- Australian Outback
- Automatic Stage Creation Tool
- Avalon
- Awesome Stage
- AxKing
- Axel Hawk
- Axel Hawk/Adamskie's version
- Axel Hawk/Adamskie's version/Edits
- Axel Stone
- Axel Stone/Actarus' version
- Aya Shameimaru
- Aya Shameimaru/Kohaku's version
- Aya Shameimaru/RicePigeon's version
- Ayane Ikuse
- Aye Aye Eyes
- Ayumu Kasuga
- Aznperson569M
- Azure Lake
- Aℓicℯ Margatroid (creator)
- B4SS
- BFDI Grass Stage
- BMO
- Babidi's Space Ship
- BabyBonnieHood
- Baby Commando
- Baby Commando/Acey, Junior Blader & The Anvil's version
- Backburner26
- Bad Street
- Badville
- BaganSmashBros
- Baggy
- Bahamut SIN
- Baiting and Punishing
- Balcony (Cave Story)
- Baldi's School
- Balrog (Cave Story)
- Balrog (Cave Story)/Michael Armaros' version
- Bandana Waddle Dee
- Bandicoot Pursuit
- Bane84
- Bang Shishigami
- Banjo
- Banjo/Aperson98's version
- Banjo/Aperson98's version/Edits
- Banjo/J. NEWMAN's version
- Barack Obama
- Baraka
- Baraka/OMEGAPSYCHO's version
- Bark the Polar Bear
- Barney the Dinosaur
- Barney the Dinosaur/Jay High19's version
- Barrel Bayou
- Bartman
- Bartman/Warner's version
- Basara-kun
- Basketball Arena
- Bass
- Bass/ChAoTiC's version
- Bass/Mighty Akuma's version
- Bathroom Hallway
- Batman
- Batman/Alucard's version
- Batman/wotsfuhdinah's version
- Battle Against Nightmare
- Battle Dome
- Battle Harbor
- Battle Holic Plus Arena
- Battle On A Bus
- Battle Over Athens
- Battle at Helm's Deep
- Battle for Dream Island
- Battle of Diamond City
- Battlefield
- Battler Ushiromiya
- Battleship
- Baxter Building
- Bean the Dynamite
- Beatrice
- Beavis
- Beavis/Aperson98's version
- Beavis/DRACUL's version
- Beavis/Rabz's version
- Beavis/Tanicfan22's version
- Beavis/The None's version
- Bedrock
- Beedrill
- Beedrill/Fou the Mage of the Sun's version
- Beelzebub (Shin Megami Tensei)
- Beerus
- Beerus/RAHLONNIR's version
- Beerus/RAHLONNIR's version/Alternative palettes
- Beetleland
- Before the eyes of Raijin-Sama
- Beijing Rush Hour
- Belinda's Bedroom
- Bellchime Trail
- Bellsprout
- Ben T. Looney
- Bender
- Bender/Actarus' version
- Bender/Warner's version
- Bergamot
- Bernkastel
- Beta
- Betalille
- Bethlehem's Christmas Night
- Betty
- Betty/Sumin's version
- Between Dimensions
- Beyond the White Storm
- Bible Black Basement
- Bickolt Comedy Club
- Big Bird
- Big Bird/First unknown version