IGN

SpongeBob and The Nicktoons GravJet Racing

SpongeBob & The Nicktoons Gravity Jet Racing (aka SpongeBob and The Nicktoons GravJet Racing) is a canceled racing game project that even went as far as getting an ESRB rating (E).
DualShockers

Nickelodeon Officially Confirms SpongeBob x Sonic Racing Collab

Sonic Racing: CrossWorlds confirms Nickelodeon collab at Kids' Choice Awards with SpongeBob, TMNT, Avatar characters. New roster includes Hatsune Miku, Joker, Ichiban Kasuga. Season Pass offers ...
Worth Playing

'Sonic Racing: CrossWorlds' Nickelodeon Collaboration Will Add SpongeBob SquarePants, Bikini Bottom, Krusty Krab And More - Screens & Trailer

Race across land, sea, air, space, and time in Sonic Racing: CrossWorlds as you warp through Travel Rings into new dimensions where something new awaits around every twist and turn. Sonic Racing: ...
Kotaku

SpongeBob SquarePants and the Nicktoons Gravjet Racing

SpongeBob SquarePants and the Nicktoons Gravjet Racing was a racing game planned for release in 2009 featuring characters from SpongeBob SquarePants, Barnyard, Ren And Stimpy, Fanboy And Chum Chum, My ...