BetaMediEvil originally had less weapons, no shields and no life bottles. Dan head tokens were used instead of life bottles.
The game also had three levels cut from the original version: Dragon Chase, The Train Ride and a level involving Morten the Earthworm.
Differences between PAL, NTSC and NTSC-JIn the NTSC version, on the Scarecrow Fields level you cannot attack or set aflame the huts.
In the NTSC-J version, the dragon armour drains your health while equipped.
In the NTSC-J version, you have a helmet, though it only serves as a cosmetic item.
In the NTSC-J version, all FMVs and loading screens appear showing/depicting Sir Daniel Fortesque wearing the helmet.
In the NTSC-J version, various new loading screens depicting the other heroes from the Hall of Heroes appear.
In the NTSC-J version, the Pumpkin King boss found in the level The Pumpkin Serpent, regenerates health.
In the NTSC-J version, the skull chests release a red bomb rather than indigo and also the shock wave is pink instead of yellow.
In the NTSC-J version, lightning can be bought (after unlocking) for 25% recharge every 150 gold pieces rather than being limited in the PAL and NTSC versions.