* DevelopmentHell: An ''astounding'' example of this. There's loads of missing content, unused ideas, and whole models that ended up getting thrown out. As a result, the game is pitifully unfinished, even if pretty fun.
* HeyItsThatVoice: Debi Derryberry voices both Coco Bandicoot and young Neo Cortex, who are both kid geniuses. [[ActorAllusion Sound]] [[WesternAnimation/TheAdventuresOfJimmyNeutronBoyGenius familiar?]]
** Victor and Moritz happened to be voiced by Quinton Flynn. [[VideoGame/KingdomHeartsII Got it memorized?]]
* TheOtherDarrin: First appearance of Lex Lang as Dr. Neo Cortex.
** Collecting yellow gems unlocks "unseen extras" which apparently feature ideas and concepts that never made it into the final product. The trope is lampshaded by Cortex once: "We were going to visit two dimensions, but... we ran out of time."
** Several hours worth of content was removed from the game, including several returning characters, new levels, and a VillainSong for Dr. Cortex entitled "Take a Walk Inside My Brains". Two members of the development team released a great deal of information on these removed items, which can be viewed here: http://www.crashmania.net/?menu=ts&page=concepts