Mario & Sonic at the Olympic Games 2 (PS4)

Mario & Sonic at the Olympic Games 2 is an installment in the Mario & Sonic series. It was developed and published by Sega for the PS4.

Playable Characters
This installment sees the return of Guest characters. There are a total of 24 Guest characters. Overall, there are 44 playable characters.

Mario Series

 * Mario
 * Luigi
 * Peach
 * Daisy
 * Bowser
 * Wario
 * Waluigi
 * Yoshi
 * Donkey Kong
 * Bowser Jr.

Guests

 * Nabbit (100m Sprint, Dream Racing)
 * Toadette (4 x 100m Relay)
 * Rosalina (Rhythmic Gymnastics)
 * Pauline (Surfing)
 * Larry (Equestrian)
 * Birdo (Badminton)
 * Diddy Kong (Rugby Sevens)
 * Ludwig (Archery)

Sonic Series

 * Sonic
 * Tails
 * Knuckles
 * Amy
 * Dr. Eggman
 * Shadow
 * Silver
 * Metal Sonic
 * Blaze
 * Vector

Guests

 * Espio (Triple Jump)
 * Omega (Javelin Throw)
 * Rouge (100m Freestyle Swimming)
 * Eggman Nega (Canoe Sprint 1000m)
 * Zazz (Table Tennis)
 * Jet (Football)
 * Infinite (Karate)
 * Zavok (Boxing, Dream Boxing)

Rookies

 * Austin
 * Logan
 * Caleb R.
 * Brennan
 * Saben
 * Mikayla
 * Ellie
 * Katie
 * Olivia C.
 * Dani

Guests

 * Savannah (110m Hurdles)
 * Chris L. (Hammer Throw)
 * Rachael (High Jump)
 * Cody (Trampoline, Dream Trampoline)
 * Aaron (Sport Climbing, Dream Sport Climbing)
 * Hailey S. (Beach Volleyball)
 * Zack (BMX)
 * Troy (Weightlifting)

Referees

 * Toad
 * Toadsworth
 * Lakitu
 * Cream
 * Charmy
 * Orbot
 * Cubot
 * Corden
 * Isabel

Crowd

 * Goomba
 * Koopa Troopa
 * Shy Guy
 * Toad
 * Chao
 * Hero Chao
 * Dark Chao
 * Omochao
 * Flicky
 * Porker
 * Tux
 * Chirp

Other

 * Toad
 * Yoshi
 * Goomba
 * Bird
 * Hammer Bro.
 * Bully
 * Meowser
 * Motobug
 * Egg Flapper
 * Spinner
 * Egg Pawn
 * Crabmeat

Events
There are a total of 28 events. There are 24 Olympic events and 4 Dream events.
 * 100m Sprint
 * 110m Hurdles
 * 4 x 100m Relay
 * Triple Jump
 * Hammer Throw
 * Javelin Throw
 * High Jump
 * Rhythmic Gymnastics
 * Trampoline
 * 100m Freestyle Swimming
 * Canoe Sprint 1000m
 * Surfing
 * Sport Climbing
 * Equestrian
 * Table Tennis
 * Badminton
 * Beach Volleyball
 * Football
 * Rugby Sevens
 * Karate
 * Boxing
 * BMX
 * Archery
 * Weightlifting
 * Dream Racing
 * Dream Trampoline
 * Dream Sport Climbing
 * Dream Boxing

Mario Series

 * Mario Circuit from Mario Kart: Super Circuit (Dream Racing)
 * The Great Tower from Super Mario 3D World (Dream Sport Climbing)

Sonic Series

 * Sky Road from Sonic Lost World (Dream Trampoline)
 * Guardian Rock from Sonic Forces (Dream Boxing)

Songs
These are the songs you can use in Rhythmic Gymnastics:
 * La Bamba
 * Simple Man
 * Sky Station Galaxy from Super Mario Galaxy 2
 * Friends from Sonic Mania

Music
There are a total of 110 tracks to unlock in the game. 24 of these tracks are the themes of the guest characters.

Mario Series

 * 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
 * Bowser Road from Super Mario 64
 * Delfino Plaza from Super Mario Sunshine
 * Athletic Theme from New Super Mario Bros.
 * Coconut Mall from Mario Kart Wii
 * Purple Comet from Super Mario Galaxy
 * Gusty Garden Galaxy from Super Mario Galaxy
 * Underwater Theme from Super Mario Bros.
 * Puzzle Plank Galaxy from Super Mario Galaxy 2
 * Mario Circuit from Mario Kart: Double Dash!!
 * Main Theme from New Super Mario Bros. Wii
 * Underwater Theme from New Super Mario Bros.
 * Main Theme from Super Mario Bros. 3
 * Ending Theme from Super Mario World
 * Good Egg Galaxy from Super Mario Galaxy
 * Bowser's Galaxy Generator from Super Mario Galaxy 2
 * Staff Credits from Super Mario 64
 * Cheep Cheep Beach from Mario Kart DS
 * Final Boss Phase 2 from New Super Mario Bros. Wii
 * Fossil Falls from Super Mario Odyssey
 * Underground Moon Caverns from Super Mario Odyssey
 * Rainbow Road from Mario Kart 8
 * Super Bell Hill from Super Mario 3D World
 * Mario Circuit from Mario Kart Wii
 * Underground Theme from Super Mario Land
 * Switch Scramble Circus from Super Mario 3D World
 * Castle Theme from New Super Mario Bros.
 * Fortress Boss from Super Mario Bros. 3
 * Athletic Theme from Super Mario 3D Land
 * Battle Stadium from Mario Kart 8 Deluxe
 * Gear Getaway from Donkey Kong Country Returns
 * Plucky Pass Beginnings from Captain Toad: Treasure Tracker
 * Gang-Plank Galleon from Donkey Kong Country
 * Mount Volbono from Super Mario Odyssey
 * Mushroom Gorge from Mario Kart Wii
 * Rainbow Road from Mario Kart 7
 * Peach's Castle from Super Mario 64
 * Fleet Glide Galaxy from Super Mario Galaxy 2
 * Castle Theme from Super Mario Bros.
 * Moo Moo Meadows from Mario Kart Wii
 * Main Theme from New Super Mario Bros. U (Nabbit's Theme)
 * Slide from Super Mario 64 (Toadette's Theme)
 * Comet Observatory from Super Mario Galaxy (Rosalina's Theme)
 * Jump Up, Super Star! from Super Mario Odyssey (Pauline's Theme)
 * Boss Theme from New Super Mario Bros. Wii (Larry's Theme)
 * Main Theme from Super Mario Bros. 2 (Birdo's Theme)
 * DK Island Swing from Donkey Kong Country (Diddy Kong's Theme)
 * A Boy and his Ludship from Paper Mario: Color Splash (Ludwig's Theme)
 * Daisy Circuit from Mario Kart Wii (Savannah's Theme)
 * Honeyhive Galaxy from Super Mario Galaxy (Rachael's Theme)
 * Coincentration from Super Mario 64 DS (Aaron's Theme)
 * Rock Rock Mountain from Mario Kart 7 (Zack's Theme)

Sonic Series

 * Rooftop Run - Day from Sonic Unleashed
 * Angel Island from Sonic the Hedgehog 3
 * Sonic Heroes from Sonic Heroes
 * City Escape from Sonic Adventure 2
 * Emerald Coast from Sonic Adventure
 * Windy Valley from Sonic Adventure
 * Right There, Ride On from Sonic Rush
 * Palmtree Panic from Sonic CD
 * Seaside Hill from Sonic Heroes
 * Flying Battery from Sonic and Knuckles
 * A New Venture from Sonic Rush Adventure
 * Let the Speed Mend It from Sonic and the Secret Rings
 * Reach for the Stars from Sonic Colors
 * Tropical Resort from Sonic Colors
 * His World from Sonic the Hedgehog (2006)
 * Misty Lake from Sonic and the Black Knight
 * Windy and Ripply... for Emerald Coast from Sonic Adventure
 * Radical Highway from Sonic Adventure 2
 * Super Sonic Racing from Sonic R
 * Neo Green Hill from Sonic Advance
 * Route 99 from Sonic Advance 3
 * Windmill Isle - Day from Sonic Unleashed
 * Lost Valley from Sonic Forces
 * Green Hill from Sonic the Hedgehog
 * Grand Metropolis from Sonic Heroes
 * Studiopolis from Sonic Mania
 * Chemical Plant from Sonic the Hedgehog 2
 * You're My Hero from Sonic 3D Blast (Saturn)
 * Green Light Ride from Team Sonic Racing
 * Sweet Mountain from Sonic Colors
 * Sky Rail from Sonic Adventure 2
 * Fist Bump from Sonic Forces
 * Station Square from Sonic Adventure
 * Toxic Caves from Sonic Spinball
 * Race to Win from Sonic Rivals 2
 * Mushroom Hill from Sonic and Knuckles
 * Free from Sonic Free Riders
 * Sylvania Castle from Sonic the Hedgehog 4, Episode 2
 * The World Adventure from Sonic Unleashed
 * Metropolitan Highway from Sonic Forces
 * Sonic Boom from Sonic CD
 * Boss Theme from Sonic Rush Adventure
 * Emerald Beach from Sonic Battle
 * Balloon Park from Sonic the Hedgehog 3 (Espio's Theme)
 * This Machine from Sonic Heroes (Omega's Theme)
 * Security Hall from Sonic Adventure 2 (Rouge's Theme)
 * Metal Scratchin' from Sonic Rush (Eggman Nega's Theme)
 * The Deadly Six from Sonic Lost World (Zazz's Theme)
 * Babylon Garden from Sonic Riders (Jet's Theme)
 * Infinite from Sonic Forces (Infinite's Theme)
 * Boss Rush from Sonic Lost World (Zavok's Theme)
 * Metal Harbor from Sonic Adventure 2 (Chris L.'s Theme)
 * Rail Canyon from Sonic Heroes (Cody's Theme)
 * Splash Hill from Sonic the Hedgehog 4, Episode 1 (Hailey S.'s Theme)
 * Terminal Velocity from Sonic Colors (Troy's Theme)