ToeJam & Earl: Back in the Groove! - "Invincibility" Exploit (req. Jump to Ship Piece)
This is a glitch in the version that is current at the time of upload (ver. 1.2.2) that allows you to be ignored by enemies and not get hurt by them on certain levels.
How to do it:
1. Get a "Jump to Ship Piece" present and be in a level with a Rapmaster piece on it
2. Stand in an elevator and use the present
You will now be practically invincible until you enter and exit an elevator again. You're able to collect items and stuff, but you can't touch NPCs, so you can't tag Santa or the Runaway Elves in this state. It's not true invincibility because you can obviously still drown and take damage by other means.
Somewhat important note: If you fall to a lower level with this glitch active, you might find yourself missing an elevator. If this happens, save, quit and load and the elevator should be back.