The seventh level of Doom Eternal, Mars Core, features 20 total collectibles to find. You'll be going back to Mars to rip and tear more demons and maybe, just maybe, get your hands on a very large gun. In total, you'll find:
- 2 Codex Pages
- 3 Toys
- 1 Cheat Code
- 1 Empyrean Key
- 2 Albums
- 2 Runes
- 3 Sentinel Batteries
- 5 Praetor Suit Tokens
- 1 Sentinel Crystal
All Collectibles in Doom Eternal Mars Core
Rune
The Rune can be found in the hallway shorty after taking the mini-portal.
Sentinel Battery
After clearing out the bridges, follow the objective marker and drop down. Then turn around and make your way across the platforms to get the Sentinel Battery.
Praetor Suit Token
There will be a room with four piston-like things. Use the pistons to get to the top of the room, then look for a platform with the Praetor Suit Token.
Codex Entry: BFG 10000
After you get out of the piston room, go left for Codex Entry: BFG 10000.
Praetor Suit Token
Shortly after you get the BFG 9000, clear out the next major combat area. Follow the objective marker until you drop down. Punch through the wall on the left, then jump off the cliff and make a twist jump to the right in order to get the Praetor Suit Token.
Prowler Toy
After taking the elevator, you'll end up in a control room where you have to use the terminal on the left to progress. Instead, go right after leaving the elevator to get the Prowler Toy.
Rune
The Rune can be found in the hallway after using the ion catapult terminal.
Praetor Suit Token
When you enter the tentacle room, go left and jump up the boxes to get the Praetor Suit Token.
Cheat Code: Powerup Mode - Onslaught
Enter the tentacle room and go right for Cheat Code: Powerup Mode - Onslaught.
Album: DOOM 64 - Intro
After getting the Praetor Token, use the jump pad. Once you land, turn around and use the monkey bar to get across the room and the Album: DOOM 64 - Intro.
Carcass Toy
After using the portal, take the jump pad and keep going forward. The Carcass Toy will be in the right corner of the room.
Praetor Suit Token
In the floating rocks area with barrels, the Praetor Suit Token will be on the right set of rocks.
Sentinel Battery
At the end of the floating rocks area, there will be a final jump pad that launches you to the next area. However, to get the Sentinel Battery, you need to turn around and dash the moment that you touch the pad so that you land on the upper platform behind you.
Sentinel Crystal
After taking the jump pad, the Sentinel Crystal will be in front of you.
Empyrean Key
In the second tentacle room, there will be a security room to the left of the entrance. There is a button that you can press that raises a pillar in front of you. Use the pillar to jump into a vent. The Slayer Gate will be on the left after you get the Slayer Key, complete that gate to get the Empyrean Key.
Album: Quake Champions - Goroth
Using the same pillar you used to get the Key, jump to the left vent to get the Album: Quake Champions - Goroth .
Pinky Toy
Leave the tentacle room by dropping through a hole in the floor, then immediately turn left. Go through the grate, then take the jump pad to a secret room for the Pinky Toy.
Sentinel Battery
After taking the escape pod, the Sentinel Battery will be right in front of you.
Codex Entry: The Lost City of Hebeth
A short distance away from the Battery, to the right of the archway will be Codex Entry: The Lost City of Hebeth.
Praetor Suit Token
Enter the archway then go all the way to the left for the Praetor Suit Token.