Casio Mario World is a Kaizo ROM hack of Super Mario World by Wyatt Croucher, featuring an elaborate all-new soundtrack consisting entirely of non-video-game music.
Download the hack here.
This hack consists of the following tropes:
- Deliberately Monochrome: The level "Child Soldier". Only the sprites are not monochrome.
- Final Boss: Pardoner Fennel from the Momodora series.
- Optional Boss: Omega Fenell, accessed by entering a secret pipe in the tutorial level.
- Nintendo Hard: This is to be expected of a Kaizo hack; but also considered one of the most difficult ever even by Kaizo standards, regularly taking the top kaizo players ~50-60 hours for their first clears. Omega Fenell had less than ten clears.
- Platform Hell: It's a Kaizo hack, what do you expect?