Hidden or secret items won’t show up on your map unless you happen to walk nearby.You won’t need help finding those because they’re clearly marked and out in the open. Items like codex entries automatically appear on the Doom Eternal map.Even the mission select menu teases you with a list of hidden collectibles.Įverything listed in Doom Eternal’s exploration menu is an item that you can find in the game world, but not every item is a secret. Doom Eternal scatters secrets and dozens of exploration items throughout every campaign level.