- Development Gag: The Prototype was originally the main villain of the game. In the final version he's instead a mere imposter pretending to be Freom, who effortlessly thrashes him after a Trick Boss fight.
- Dummied Out:
- Sonic and Tails as they were presented in Chrono Adventure are still buried under the game's code but all of their graphics, naturally, have been removed and replaced by a doodley icon of Spark's face.
- The final version removed a cutscene after the boss fight in Network Coast.
- The Wiki Rule: Has one in the form of Encyclopedia Jester.
Trivia / Spark the Electric Jester