- bypass anti-cheat (unable to pick up items preferably after door 1) 
- Jeff Shop at Door 1
- Library at Door 1
- Hard mode
- Customize Hard mode
- Shears

you cannot execute the same "Door 1" scripts as they delete some of the game and can break.

For shears you sometimes cannot delete some things

'Shears' and '7/11 shop in Doors' have voice overs (headphone warning)