Mario & Sonic at the Olympic Games: Nintendo & Sega All-Stars

Mario & Sonic at the Olympic Games: Nintendo & Sega All-Stars is an installment in the Mario & Sonic series. This time, it features characters from many franchises of Nintendo and Sega.

Playable Characters
There are a total of 62 playable characters.

Nintendo

 * Mario
 * Luigi
 * Peach
 * Daisy (Unlockable)
 * Bowser
 * Wario
 * Waluigi
 * Yoshi
 * Donkey Kong
 * Bowser Jr. (Unlockable)
 * Link
 * Kirby
 * Pikachu
 * Fox
 * Inkling
 * Villager
 * Marth
 * Pit
 * Olimar
 * Shulk
 * Rosalina

Sega

 * Sonic
 * Tails
 * Knuckles
 * Amy (Unlockable)
 * Dr. Eggman
 * Shadow
 * Silver (Unlockable)
 * Metal Sonic (Unlockable)
 * Blaze (Unlockable)
 * Vector (Unlockable)
 * AiAi
 * Amigo
 * Billy Hatcher
 * NiGHTS
 * Beat
 * Ulala
 * Ristar
 * Alex Kidd
 * Gillius Thunderhead
 * B.D. Joe
 * Vectorman
 * MeeMee
 * Eggman Nega
 * Classic Sonic

Rookies

 * Austin
 * Logan
 * Caleb R.
 * Brennan
 * Saben
 * Aaron
 * Alex S.
 * Jarrett
 * Zac
 * Jake H.
 * Mikayla
 * Ellie
 * Katie
 * Olivia C.
 * Dani
 * Cassidy
 * Sunshine
 * Naomi
 * Tori
 * Brooke

Referees

 * Toad
 * Toadsworth
 * Lakitu
 * Navi
 * Bandana Dee
 * Cream
 * Charmy
 * Orbot
 * Cubot
 * Crow
 * Corden
 * Isabel

Rivals

 * King Boo
 * Birdo
 * Kamek
 * King K. Rool
 * Dry Bones
 * Dry Bowser
 * Dark Pit
 * Greninja
 * Wolf
 * DJ Octavio
 * Ganondorf
 * Metal Face
 * Omega
 * Rouge
 * Zazz
 * Jet
 * Zavok
 * Eggman Nega
 * Gum
 * Reala
 * Tori
 * Dark Raven
 * Chief Blank
 * Death Bringer

Crowd

 * Goomba
 * Koopa Troopa
 * Shy Guy
 * Toad
 * Waddle Dee
 * Inklings
 * Villagers
 * Pikmin
 * Chao
 * Hero Chao
 * Dark Chao
 * Omochao
 * Flicky
 * Porker
 * Tux
 * Chirp
 * Crow

Events
There are a total of 28 events. There are 19 Olympic events and 9 Dream events.
 * 100m Sprint
 * 110m Hurdles
 * 4 x 100m Relay
 * Triple Jump
 * Javelin Throw
 * Gymnastics - Floor Exercise
 * 100m Freestyle Swimming
 * Equestrian
 * Skateboarding - Park
 * Surfing
 * Sport Climbing
 * Table Tennis
 * Football
 * Rugby Sevens
 * Fencing
 * Boxing
 * Archery
 * BMX
 * Golf
 * Dream Sprint
 * Dream Hurdles
 * Dream Gymnastics
 * Dream Equestrian
 * Dream Skateboarding
 * Dream Sport Climbing
 * Dream Football
 * Dream Fencing
 * Dream Golf

Nintendo

 * Mushroom Kingdom from Super Mario Odyssey (Dream Fencing)
 * Hyrule Field from The Legend of Zelda (Dream Equestrian)
 * Green Greens from Kirby's Dream Land (Dream Gymnastics)
 * Pokemon Stadium from Pokemon Stadium (Dream Karate)
 * Corneria from Star Fox (Dream Sport Climbing)

Sega

 * Green Hill from Sonic the Hedgehog (Dream Sprint)
 * Monkey Island from Super Monkey Ball: Banana Blitz (Dream Golf)
 * Samba Studios from Samba de Amigo (Dream Football)
 * Morning Land from Billy Hatcher and the Giant Egg (Dream Hurdles)
 * Stick Canyon from NiGHTS Into Dreams (Dream Skateboarding)

Music
There are a total of 72 songs to unlock in the game.

Nintendo

 * Main Theme from Super Mario Bros.
 * Athletic Theme from Super Mario Bros. 3
 * Main Theme from Super Mario World
 * Main Theme from Super Mario 64
 * Delfino Plaza from Super Mario Sunshine
 * Athletic Theme from New Super Mario Bros. 
 * Coconut Mall from Mario Kart Wii
 * Gusty Garden Galaxy from Super Mario Galaxy
 * Puzzle Plank Galaxy from Super Mario Galaxy 2
 * Coincentration from Super Mario 64 DS
 * Mario Circuit from Mario Kart: Double Dash!!
 * Main Theme from New Super Mario Bros. Wii
 * Cheep Cheep Beach from Mario Kart DS
 * Main Theme from New Super Mario Bros. U
 * Super Bell Hill from Super Mario 3D World
 * Jump Up, Super Star! from Super Mario Odyssey
 * Gerudo Valley from The Legend of Zelda: Ocarina of Time
 * Kass' Theme from The Legend of Zelda: Breath of the Wild
 * Gourmet Race from Kirby Super Star
 * Checker Knights from Kirby Air Ride
 * Road to Viridian City from Pokemon Red/Pokemon Blue
 * Victory Road from Pokemon Ruby/Pokemon Sapphire 
 * Main Theme from Star Fox
 * Star Wolf from Star Fox 64
 * Splattack! from Splatoon 
 * Acid Hues from Splatoon 2
 * Title Theme from Animal Crossing
 * Kapp'n's Song from Animal Crossing: New Leaf
 * Lost In Thoughts All Alone from Fire Emblem Fates
 * Menu Theme from Fire Emblem Heroes
 * Underworld from Kid Icarus 
 * Boss Battle 1 from Kid Icarus: Uprising
 * Main Theme from Pikmin
 * Mission Mode from Pikmin 3
 * Gaur Plains from Xenoblade Chronicles
 * Still, Move Forward! from Xenoblade Chronicles 2

Sega

 * 1) Rooftop Run - Day from Sonic Unleashed
 * 2) Angel Island from Sonic the Hedgehog 3
 * 3) City Escape from Sonic Adventure 2
 * 4) Windy Valley from Sonic Adventure
 * 5) Right There, Ride On from Sonic Rush
 * 6) Palmtree Panic from Sonic CD
 * 7) Seaside Hill from Sonic Heroes
 * 8) Flying Battery from Sonic and Knuckles
 * 9) A New Venture from Sonic Rush Adventure
 * 10) Let the Speed Mend It from Sonic and the Secret Rings
 * 11) Reach for the Stars from Sonic Colors
 * 12) His World from Sonic the Hedgehog (2006)
 * 13) Misty Lake from Sonic and the Black Knight
 * 14) Studiopolis from Sonic Mania
 * 15) Fist Bump from Sonic Forces
 * 16) Windy Hill from Sonic Lost World
 * 17) Ultra Heaven from Super Monkey Ball: Banana Blitz
 * 18) Bonus Stage from Super Monkey Ball 3D
 * 19) Samba de Janerio from Samba de Amigo 
 * 20) Mambo de Verano from Samba de Amigo 
 * 21) A Jack-in-the-Box! from Billy Hatcher and the Giant Egg
 * 22) Bang! Bang! Big Hornes Explosion! from Billy Hatcher and the Giant Egg
 * 23) Splash Garden from NiGHTS into Dreams
 * 24) When the Night Falls from NiGHTS: Journey of Dreams
 * 25) Let Mom Sleep from Jet Set Radio
 * 26) The Concept of Love from Jet Set Radio Future 
 * 27) The Reporter from Space Channel 5 from Space Channel 5
 * 28) Spaceport: Introducing Ulala! from Space Channel 5