After Doom v5.3 :
°"The Shores of Underworld" has been remodeled (now this map is more compacted, connected, with more details and more freedom of exploration)
°New secret boss added to "The Shores of Underworld" map (blue skull key required)
°On all maps, there are now clues in the environments to find secrets
°Apocalipsis (dual wield) now has PAINCHANCE and QUICKTORETALIATE was removed
°Rotten Apocalipsis has a 50% chance of firing a barrage of missiles
°Cyberdemon with flamethrower is now much less aggressive, but its attack is more lethal
°Rotten Mother now has a stronger attack
