In the sixth mission of Bethesda's masterpiece, Doom: Eternal, "Arc Complex", there are 25 objects that can be found while exploring. Some of these objects, such as modbots and code entries, will automatically appear on the map. A hidden or secret object will not appear unless you walk close to it. You will know to be close when in the map of Doom: Eternal mission Arc Complex a white question mark or a mobile question mark will appear in the game world.
In this guide we will show you the place to find all the hidden objects: three toys, a cheat code, a hidden ModBot, a hidden Sentinel Crystal, a hidden tradition, two albums and a hidden secret encounter. Below you will find maps and detailed explanations to reach each question mark in this Doom Eternal map.
Location of toys in Arc Complex
There are three hidden toys in Arc Complex.
- ARC COMPLEX // TOY 1: MANCUBUS
Immediately after getting off the elevator at the beginning of the level, as you advance, you will find several enemies. At the end of the corridor, a Mancubus will pop out of an office. Hidden in the back of the office you will find Toy 1: Mancubus.
- ARC COMPLEX // TOY 2: CUEBALL
In the area where you get the Automap and find the Slayer Gate, double jump and fall through the crack to find a Sentinel Battery and Toy 2: Cueball.
- ARC COMPLEX // TOY 3: WHIPLASH
Before setting fire to one of the turrets, as you make your way through the condos, you will come across a small corridor hidden in the rubble. Walk through the crack in the rubble to find Toy 3: Whiplash.
Location of the cheat code in Arc Complex
- ARC COMPLEX // CHEAT CODE: IDKFA
In the area just next to where you found the Automap and near the Slayer Gate, you can enter a building where an enemy pokes out of the floor. In the hole left by the enemy you will find the Cheat Code: IDKFA.
Location of the ModBot hidden in Arc Complex
There is only one hidden ModBot in Arc Complex.
- ARC COMPLEX // HIDDEN MODBOT
In the area following the above mentioned cheat code, you will come across a station playing an important audio log. To the right of the station you will find a wall that can be destroyed. Break through it to find the hidden ModBot.
Location of the Sentinel Crystal tucked away in the Arc Complex
There is only one Sentinel Crystal in Arc Complex.
- ARC COMPLEX // HIDDEN CRYSTAL SENTINEL
Halfway through the level, jump over a large gap to enter another building. Once inside, you can move on. But if you want to find the hidden Sentinel Crystal, jump over the pile of rubble to find a wall that you can break. Follow the stairs up to find a hidden piece of lore, and further up you will find the hidden Sentinel Crystal to the right of the barred door that can be destroyed.
Location of hidden lore pieces in Arc Complex
In the Arc Complex mission, there are two hidden pieces of lore. You will find the first piece in the same place as the Sentinel Crystal. For the other fragment, follow the steps below.
- ARC COMPLEX // HIDDEN TRADITION FRAGMENT
At the end of the electrified tunnels, you will come across a door that won't open. At the end of that tunnel you will find a control room. Flip the switch in the hall to open the previously closed door. Beyond it you will find the fragment of tradition.
Location of hidden albums in Arc Complex
Arc Complex features two hidden albums.
- ARC COMPLEX // ALBUM 1: QUAKE II QUAD MACHINE
Following the signs to reach the above hidden fragment of tradition, you will notice a well in the area where you can descend. Right next to the wall that says "Do not shoot" you will find a question mark hidden behind some crates. Collect it and you will have taken the hidden album: Quake II: Quad Machine. In this room you will also find the secret meeting of the level.
- ARC COMPLEX // ALBUM 2: QUAKE III - INTRO
After using the second cannon, head to a two-story parking lot where you will fight some enemies. On the top floor, hidden in a side area, is the second album hidden in this mission: Quake III - Intro.
Location of the secret meeting in Arc Complex
There is only one secret encounter in Arc Complex.
- ARC COMPLEX // SECRET MEETING
The Secret Encounter is located in the same area where the lore fragment and the second hidden album are located.
Location Slayer Key in Arc Complex
For the location of the Slayer Key, we refer you to the detailed guide here.
This concludes our guide to Doom Eternal collectibles in Arc Complex
► Doom Eternal is a Shooter type game developed by Id Software Panic Button and published by Bethesda for PC, PlayStation 4, Xbox One, Nintendo Switch, PlayStation 5 and Xbox Series X, the video game was released on 20/03/2020 The version for Nintendo Switch came out on 08/12/2020
Doom Eternal is a beautiful game that cannot be missing from your collection: we have decided to evaluate it with a 90%, if you are interested in learning more you can read the Doom Eternal Review
