* When copying files from the original CDs, rename the RESOURCE.SFX from each CD to RESSFX.00<cdnumber>, and the RESOURCE.AUD from each CD to RESAUD.00<cdnumber>, to match the corresponding RESSCI.00<cdnumber> file that exists on each CD.
* For Phantasmagoria 1
, do ''not'' copy 37.MAP or 65535.MAP files from the CDs, if they exist. Also, copy only the PDOCO.TXT from the ''first'' CD . From digital download (GOG.com, Steam, etc.): * For Phantasmagoria 1, delete the 37.MAP and 65535.MAP files, if they exist. Note that these files may exist either in the game’s root directory or in a PATCHES subdirectory, and should be deleted regardless of location.