49 WADs in IdGames, Doomsday Engine

Doom II 33 Unknown 8 Doom 3 Heretic 3 Final Doom: TNT 2

Singleplayer 40 Cooperative 27 Multiplayer 15

Levels 42 Music 4 Themes 1 Sounds 1 Combos 1

PWAD 41 PK3 8