FAQ:
Q: What this WADS do and don't do?
A: This WADS restore options menu and add TITLEPIC for DOOM 2 in order to not expirience crashes while using DOOM 1 & 2 BFG Edition WADS on the vanilla DOOM engine for DOS. They don't altering any content that affect your gameplay
Q: How to use them ?
A: Simply use the "-file" parameter of DOOM executable, no need to merge them with the DOOM 1 & 2 WADS
Q: Which is which ?
A: OLDOPT.wad fixes the option menu and D2T.wad adds the TITLEPIC for DOOM 2