Mario & Sonic Power Tennis

Mario & Sonic Power Tennis is the fifth tennis installment in the series. It is for the Nintendo Switch, and will be a launch title.

All-Around Type

 * Mario
 * Luigi
 * Diddy Kong
 * Birdo
 * Amy
 * Blaze
 * Espio
 * Cream
 * Austin
 * Katie
 * Hailey S.
 * Brad L.

Speed Type

 * Toad
 * Yoshi
 * Koopa Troopa
 * Nabbit
 * Sonic
 * Shadow
 * Metal Sonic
 * Jet
 * Logan
 * Carson
 * Jarrett
 * Emma H.

Power Type

 * Bowser
 * Wario
 * Donkey Kong
 * Dry Bowser
 * Knuckles
 * Vector
 * Omega
 * Zavok
 * Dillon
 * Reed
 * Zack
 * Kenny

Skill Type

 * Peach
 * Daisy
 * Waluigi
 * Toadette
 * Tails
 * Dr. Eggman
 * Silver
 * Rouge
 * Aaron
 * Sam S.
 * Emma B.
 * Kaitlin

Tricky Type

 * Bowser Jr.
 * Boo
 * Rosalina
 * Dry Bones
 * Wave
 * Eggman Nega
 * Sticks
 * Zazz
 * Hazel
 * Trev
 * Cole
 * Justin W.

Non-Playable Characters

 * Lakitu
 * Toadsworth
 * Toad
 * Omochao
 * Orbot
 * Cubot

Stadiums
All the stadiums are returning, but are all revamped in various ways. In total, there are 16 stadiums.
 * Mario Stadium from Mario Tennis Open
 * Good Egg Galaxy from Super Mario Galaxy
 * Delfino Plaza from Super Mario Sunshine
 * Cloudtop Cruise from Mario Kart 8
 * Clawdaddy Beach from Yoshi's Woolly World
 * Cool, Cool Mountain from Super Mario 64
 * Soda Jungle from New Super Mario Bros. U
 * Clockwork Ruins Galaxy from Super Mario Galaxy 2
 * Seaside Hill from Sonic Heroes
 * City Escape from Sonic Adventure 2
 * Tropical Resort from Sonic Colors
 * Sky Sanctuary from Sonic and Knuckles
 * Windmill Isle from Sonic Unleashed
 * Carnival Night from Sonic the Hedgehog 3
 * Ice Cap from Sonic Adventure
 * Sky Road from Sonic Lost World

Minigames
All minigames return, all with new twists to them.
 * Coin Rush
 * Badnik Bash
 * Musical Mayhem
 * Tag
 * Painting Perfection
 * Spot the Difference
 * Red Rover
 * Item Smash
 * Tennis Adventure
 * Call of Deuce
 * Tenniscraft
 * Super Sonic Slam
 * Koopa's Challenge
 * Tennis Race

Musical Mayhem
There are 20 new songs found in this minigame, all from new games:
 * 1) Ending from Super Mario Bros. 2
 * 2) Boss from Super Mario Sunshine
 * 3) Title from Mario Kart: Double Dash!!
 * 4) Bounce and Pounce from Super Mario 64 DS
 * 5) Cheep Cheep Beach from Mario Kart DS
 * 6) Main Theme from Super Mario Galaxy 2
 * 7) Credits from New Super Mario Bros. 2
 * 8) Sunshine Airport from Mario Kart 8
 * 9) Ghost House (SMB) from Super Mario Maker
 * 10) Ruddy Road from Paper Mario: Sticker Star
 * 11) Emerald Hill from Sonic the Hedgehog 2
 * 12) Sonic Boom from Sonic CD
 * 13) Toxic Caves from Sonic Spinball
 * 14) Diamond Dust from Sonic 3D Blast
 * 15) Super Sonic Racing from Sonic R
 * 16) Egg Rocket from Sonic Advance
 * 17) Boss from Sonic Advance 2
 * 18) Un-gravitify from Sonic Riders: Zero Gravity
 * 19) Free from Sonic Free Riders
 * 20) Studiopolis from Sonic Mania

Character Exclusives
In this installment, if you choose a certain playable character, you have the option of using the theme that they come with (unlocked through in-game tasks).

Mario Series

 * Overworld from Super Mario Bros. (Mario's Theme)
 * Athletic from Super Mario Bros. 3 (Luigi's Theme)
 * Bramble Blast from Donkey Kong Country 2: Diddy Kong's Quest (Diddy Kong's Theme)
 * Overworld from Super Mario Bros. 2 (Birdo's Theme)
 * Neo Bowser City from Mario Kart 7 (Austin's Theme)
 * Overworld from New Super Mario Bros. Wii (Hailey S's Theme)
 * Slider from Super Mario 64 (Toad's Theme)
 * Overworld from Super Mario World (Yoshi's Theme)
 * Koopa Cape from Mario Kart Wii (Koopa Troopa's Theme)
 * Overworld from New Super Mario Bros. U (Nabbit's Theme)
 * Bowser Road from Super Mario 64 (Logan's Theme)
 * Mount Wario from Mario Kart 8 (Jarrett's Theme)
 * Final Boss from Super Mario Galaxy (Bowser's Theme)
 * WarioWare, Inc from WarioWare: Mega Microgames (Wario's Theme)
 * DK Island Swing from Donkey Kong Country (Donkey Kong's Theme)
 * Final Boss Phase 2 from New Super Mario Bros. Wii (Dry Bowser's Theme)
 * Victory In The Dream World from Mario and Luigi: Dream Team (Dillon's Theme)
 * Beach Overworld from Super Mario 3D Land (Zack's Theme)
 * Peach's Castle from Super Mario 64 (Peach's Theme)
 * Overworld from Super Mario Land (Daisy's Theme)
 * Waluigi's Island from Mario Party 3 (Waluigi's Theme)
 * Plucky Pass Beginnings from Captain Toad: Treasure Tracker (Toadette's Theme)
 * Starshine Beach Galaxy from Super Mario Galaxy 2 (Aaron's Theme)
 * Athletic from New Super Mario Bros. (Emma B's Theme)
 * Bowser Jr Battle from New Super Mario Bros. Wii (Bowser Jr's Theme)
 * Luigi's Mansion from Mario Kart DS (Boo's Theme)
 * Comet Observatory from Super Mario Galaxy (Rosalina's Theme)
 * Desert Overworld from New Super Mario Bros. (Dry Bones's Theme)
 * Bob-omb Battlefield from Super Mario 64 (Hazel's Theme)
 * Koopa Troopa Beach from Mario Sports Mix (Cole's Theme)

Sonic Series

 * Palmtree Panic from Sonic CD (Amy's Theme)
 * Right There, Ride On from Sonic Rush (Blaze's Theme)
 * Balloon Park from Sonic the Hedgehog 3 (Espio's Theme)
 * Neo Green Hill from Sonic Advance (Cream's Theme)
 * Windy and Ripply from Sonic Adventure (Katie's Theme)
 * Spring Yard from Sonic the Hedgehog (Brad L's Theme)
 * Green Hill from Sonic the Hedgehog (Sonic's Theme)
 * Westopolis from Shadow the Hedgehog (Shadow's Theme)
 * Stardust Speedway Bad Future from Sonic CD (Metal Sonic's Theme)
 * Babylon Garden from Sonic Riders (Jet's Theme)
 * Radical Highway from Sonic Adventure 2 (Carson's Theme)
 * Ska Cha Cha from Sonic Rush (Emma H's Theme)
 * Angel Island from Sonic the Hedgehog 3 (Knuckles's Theme)
 * Door Into Summer from Knuckles' Chaotix (Vector's Theme)
 * This Machine from Sonic Heroes (Omega's Theme)
 * Zavok Battle from Sonic Lost World (Zavok's Theme)
 * Fire and Ice from Sonic Boom: Fire and Ice (Reed's Theme)
 * Mad Matrix from Shadow the Hedgehog (Kenny's Theme)
 * Believe In Myself from Sonic Adventure 2 (Tails's Theme)
 * Egg Hornet from Sonic Adventure (Dr Eggman's Theme)
 * Kingdom Valley from Sonic the Hedgehog (Silver's Theme)
 * Security Hall from Sonic Adventure 2 (Rouge's Theme)
 * Sweet Mountain from Sonic Colors (Sam S's Theme)
 * Double Down from Sonic Lost World (Kaitlin's Theme)
 * Final Factory from Sonic Free Riders (Wave's Theme)
 * Boss from Sonic Rush Adventure (Eggman Nega's Theme)
 * Bygone Island from Sonic Boom: Rise of Lyric (Sticks's Theme)
 * The Deadly Six from Sonic Lost World (Zazz's Theme)
 * Fight the Knight from Sonic and the Black Knight (Trev's Theme)
 * Lava Powerhouse from Sonic Spinball (Justin W's Theme)

Mario Series

 * 1) Underwater from Super Mario Bros.
 * 2) Rainbow Road from Super Mario Kart
 * 3) Sherbet Land from Mario Kart 64
 * 4) Mario Circuit from Mario Kart: Double Dash!!
 * 5) Coincentration from Super Mario 64 DS
 * 6) Underwater from New Super Mario Bros. 
 * 7) Gusty Garden Galaxy from Super Mario Galaxy
 * 8) Coconut Mall from Mario Kart Wii
 * 9) Puzzle Plank Galaxy from Super Mario Galaxy 2
 * 10) Athletic from Super Mario 3D Land
 * 11) Super Bell Hill from Super Mario 3D World
 * 12) Thwomp Ruins from Mario Kart 8

Sonic Series

 * 1) Chemical Plant from Sonic the Hedgehog 2
 * 2) Flying Battery from Sonic and Knuckles
 * 3) Emerald Coast from Sonic Adventure
 * 4) Route 99 from Sonic Advance 3
 * 5) Ocean Palace from Sonic Heroes
 * 6) Back 2 Back from Sonic Rush
 * 7) His World from Sonic the Hedgehog
 * 8) Blizzard Peaks from Sonic Rush Adventure
 * 9) Let the Speed Mend It from Sonic and the Secret Rings
 * 10) Rooftop Run from Sonic Unleashed
 * 11) Misty Lake from Sonic and the Black Knight
 * 12) Splash Hill from Sonic the Hedgehog 4, Episode 1