The eclectic roster of the Nickelodeon Kart Racers 2: Grand Prix crossover game includes characters from many eras of children's television. There are characters from the early 1990s with Ren & Stimpy, to the present day 2020 with whatever JoJo Siwa is, which makes for a quirky lineup of contenders. You start with 16 characters; add 14 unlockable characters for a total of 30 Nickelodeon Stars. Here is the full list and how to unblock everyone.
Default characters
All of these runners are unlocked from the start; the starting list includes the most famous mascots in the Nickelodeon library.
- SpongeBob SquarePants
- Patrick (SpongeBob Square)
- Sandy (Square SpongeBob Square)
- Leo / Leonard (Teenage Mutant Ninja Turtles (2012))
- Raph / Raphael (Teenage Mutant Ninja Turtles (2012))
- Donnie / Donatello (Teenage Mutant Ninja Turtles (2012))
- Mikey / Michelangelo (Teenage Mutant Ninja Turtles (2012))
- Lincoln (The Strong House)
- Lucy (The Strong House)
- Tommy (Razmoket)
- Chuckie (Razmoket)
- Arnold (Salut Arnold!)
- Helga (Hi Arnold!)
- Rocko (The Modern Life of Rocko)
- Zim (Invader Zim)
- Aang (Avatar: The Last Airbender)
Unlock thanks to the Grand Prix
There are eight cuts to go in Nickelodeon Kart Racers 2: Hairball Cup, Football Cup, Diapee Cup, Conglom-O Cup, Neptune Cup, ARGGH! Cup, DREAM Cup and Super Slime Cup. Complete each of them in first place on any difficulty to unlock one of the characters below.
- Cat dog (Cat dog)
- Gerald (Hi Arnold!)
- Angelica (Rugrats)
- Squidward
- JoJo Siwa
- Ren (Le spectacle Ren & Stimpy)
- Clyde (The Strong House)
- Heffer (The Modern Life of Rocko)
Unlock through challenges
There are six sets of challenges in Nickelodeon Kart Racers 2, each with six challenges and a boss battle serving as the seventh challenge. Complete three challenges to unlock the boss battle and defeat one of the characters below in a race to unlock them as a playable character.
- Danny Phantom (Danny Phantom)
- Stimpy (The Ren & Stimpy Show)
- Korra (The Legend of Korra)
- GIR (Invader Zim)
- Reptar (Razmoket)
- Shredder (Teenage Mutant Ninja Turtles (2012))
A few boss battles have gadgets. GIR boss battle has you racing against several boring GIRs. The Reptar boss battle has Tommy and Chuckie as wingers. And the final boss battle with Shredder is considerably difficult, with his top speed and constant throwing obstacles at you.