Hey,
Kind user "bootzin" put a lot of work into a up-to-date and very comprehensive PTTS guide:
http://steamcommunity.com/sharedfiles/filedetails/?id=726479176
It has detailed infos on monsters, mods, items and rooms! If you want to discover detailed mechanics of the game, check it out. It really has it all.
But beware - you may get spoiled! So if you like to keep things fresh for yourself, you might hold off a bit, because it really is detailed :)
Cheers to bootzin for puttin in the work!
- Johannes / dek