At 200 "health" gems, your character is at full resolution. The script is set to 255 when you pick up anything. No collision makes you invincible but you're stuck as the skeleton until you turn the script off.
How to use this cheat table?
Install Cheat Engine
Double-click the .CT file in order to open it.
Click the PC icon in Cheat Engine in order to select the game process.
Keep the list.
Activate the trainer options by checking boxes or setting values from 0 to 1