This Cheat Table contains lots of cheats, some of which are no longer working. I am providing it as I found it.
What is working:
- Instant wins for P1 (left sided player) on local, any classical tower, and ToT (including co-op). If you use this in an online match, it will likely cause the session to de-sync. So don't use it in online mode.
- Vial protection for the krypt, so the spiders and ghouls don't kill you. Enable this cheat, and use a vial for protection. Instead of 1 minute of protection, you will always be protected.
- Blindfold always on, without slowing the player down. Enable this cheat, put on and remove the blindfold while you are in the krypt, and you will see all hidden objects without the blind fold on.
There may be other mods working, but at least these three are working. I don't have a real need for these cheats, but there may be some who need it.
If you don't want to use an unlocker, these may be useful.
So, enjoy.
Edit: As requested, YT video with a quick tutorial.