This is a racing game where it's a crossover. Here's the list of characters and their vehicles.
SOONICK-HIMSELF
The Doctor-The TARDIS
Mario-His kart
Luigi-His kart
Sonic-His car from SaSAR
Tails-The Tornado
May-Sploder hating tank
Head-Sploder hating tank
MINI GODZILLA-KAIJU KAR
Mr.Sock-Himself
Yoshi-The yoshi egg kart thingy from Mario kart DS and 7
Knuckles-His car
Mermaid Man-The Invisible Boatmobile
Random Guy-A car
GIANT GODZILLA-He is the best character in the game. He doesnt need a kart.
Poostudios-His car from the Sploder game "Poostudios Car"
Shadow-His motorbike.
Tails Doll-SUNSHINE CAR
Pikachu-Pokeball car
Car-himself
Tracks[]
GREAN HIL ZOWN
KEMIKAL PLAWNT
London (Doctor Who)
Mario Circut
Luigi Circut
Green Hill Zone
Cemical Plant Zone
Hoenn
Post Apocalyptic Sploder
Monster Island
Sockland
Yoshi Falls
Sky Sancturary
Bakini Bottom
Random Place
Sploder (represents every sploder member)
A stage from Shadow the Hedgehog
Resort Island
Place where they make cars