Doom: The Dark Ages secrets and collectibles

Finding secret areas and collectible items has become a staple of the Doom series, and that hasn't changed in Doom: The Dark Ages. In fact, there are actually far more to find, with mission challenges sending you in search of hidden areas, as well as the usual trinkets to be on the lookout for.

Below you'll find the Doom: The Dark Ages secrets and collectibles for each mission, sorted into chronological order so you won't miss a thing. While some of the rewards are just for fun, like the iconic demon toys...