Final Doom is a PlayStation game that comprises two distinct episodes: TNT Evilution and The Plutonia Experiment. Each episode features a complete set of new levels while maintaining the level structure of Doom II, offering 30 standard levels and 2 secret levels. The game introduces enhanced graphics and textures, along with new text interludes, utilizing resources from both Doom and Doom II.
Final Doom is a compilation of two standalone episodes: TNT: Evilution and The Plutonia Experiment, which include full sets of new levels (both of them use the same level structure as Doom II with 30 regular levels and 2 secret levels), new graphics and textures, and new text interlude screens in addition to most of the resources from Doom II and some from Doom.