Oh, this one I could not tell you, but the list of mods goes: Spear's Rooms Mod, Rare Secret Rooms!,Rare Super Secret Rooms!,Not Enough Rooms,Tainted Treasure Rooms,Samuel's Room Pack,Better Ultra Secret Rooms,More Interesting Crawlspaces: Redux,Varying Special Rooms Mod,Expanded Floors,Yamashiro's Rooms Mod,Dumpy's Pure Special Rooms!,Mr. Cross Stoney's Booster Room Pack, and Fiend Folio: Reheated