Find all the eight secret keys in Doom The Dark Ages with relative ease by following our complete location guide.

The Dark Ages, there are still plenty of secrets to find. It isn't just a boss battle followed by the credits, so you will get to tear through the demonic hordes of hell a little longer before you reach the end of the campaign.

Where to find every secret area location in Chapter One, Village of Khalim, in Doom: The Dark Ages, including where to find the Doom Slayer Codex location.