CV3 GZD New Master file - Castlevania 3 for Simon's Destiny Addon mod for Doom II
UNzip and load the PK3 with Castlevania Simons Destiny as the IWAD. Use GZD3.8 or higher, or LZDoom 3.88.
Castlevania Simon Destinysingle Draculas Castle Castlevania Subweapons Bob Kudla Jeffrey Harvey Software Render Compatible
Source: moddb.com