DOOM Eternal
DOOM Eternal Wiki Guide & Walkthrough
Mars Core - Mission 7 Story Campaign Walkthrough
DOOM Eternal | Mars Core - Mission 7 Story Campaign Walkthrough

DOOM Eternal
Mars Core - Mission 7 Story Campaign Walkthrough

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Check out this guide about the Campaign Mission 7 of DOOM Eternal, Mars Core! Know how to clear this mission, secrets & unlockables, boss battles, weapon locations, & more!

Table of Contents

Campaign Progression & Walkthrough

<< Previous MissionNext Mission >>
Arc ComplexSentinel Prime
Check Out The Story Campaign Walkthrough List

Mission 7: Mars Core - Walkthrough

Mars Core Walkthrough Flow Chart

No.Procedure
1Exit the elevator and fight your way through. Climb into the ventilation shaft and punch the vent
2Drop down and continue. Smack another vent and use the teleporter to go to the next area
3Defeat all demons to open the gate. Then clear the area of hostiles to raise the Maintenance Hatch
4Descend and break the Energy Fuse. Then continue forward and use the hollow cavities of the pillars to ascend
5Climb up the ladder to trigger a cutscene and get the BFG 9000
6Defeat all enemies to open the teleporter. Clear all enemy units to open the locked door
7Clear the area of demons to open a hatch. Use it to access the elevator and to go to the cannon's console
8Ride the BFG. Press forward and jump into the teleporter
9Cross the ruined expanse using a combination of jumps and dashes
10Kill all demons in the area to open a hatch. Drop down inside to continue
11Exit the facility and press forward until you reach the Escape Pod Facility
12Punch the wall and purge all the demons to open the gate
13Jump into the portal to end the mission

4. Use The Pillars To Climb Back Up

Use The Pillars To Climb Back Up

Use the hollow space inside the pillars to climb up. The pillars move up and down so time you ascent!

8. Getting The BFG 9000

Getting The BFG 9000

The BFG 9000 is one of the penultimate weapons in DOOM Eternal. It launches a slow high-energy green orb that completely obliterates the whole area. Use it sparingly when against formidable opponents or when fighting against bosses.

Check Out The BFG 9000 Guide Here!

9~11: Floating In Outer Space

Floating In Outer Space

This segment involves you jumping across several floating islands while trying to survive. Clear each area's demons to open a gate to the next area.

Mission 7 Mars Core Challenge List

Mission Challenge List

Big Ba-Da Boom Kill 40 Demons with a very big gun.
Disarmament Destroy 3 arm cannon Weak Points on Mancubi.
Luck And Key Find the Slayer Key

Complete To Get Weapon Points

Completing an objective in a mission's challenge list rewards you with a Weapon Point. Weapon Points can be used to increase the effectiveness of your weapon mods.

Complete All For A Sentinel Battery

Clearing all challenges in a mission rewards you with a Sentinel Battery that can be used to open the locked doors in the Fortress Of Doom.

Mission 7: Mars Core - Upgrade & Collectible Location

Upgrade & Collectible Location & Map

Click on the collectible for instruction on how to get to their locations.

Modbots

There are no Modbots in this mission.

Check Out The Modbot Guide Here!

Runes

There are 2 Runes in this mission.

No.Map and Instructions
1
Rune
Click to Enlarge
After going through the first portal, a Rune can be found in behind a door of the control room
2
Rune
Click to Enlarge
There is a rune next to the room where you take control of the Ion Cannon
Check Out The Rune Guide Here!

Praetor Suit Tokens

There are 3 Praetor Suit Tokens in this mission.

No.Map and Instructions
1
Praetor Suit Token
Click to Enlarge
Use the pillars in the BFG core engine room to head up to the second level. The Praetor Suit Point is waiting for you on one side of the room
2
Praetor Suit Token
Click to Enlarge
In the corridor full of tentacle enemies, there will be an opened overhead vent. Enter it and follow the path to the Praetor Token
3
Praetor Suit Point
Click to Enlarge
Just before you reach the room where you take control of a cannon, there will be a breakable wall. Destroy it and jump down. Follow the path to the Praetor Suit Point
4
Praetor Suit Point
Click to Enlarge
Found on top of one of the pillars during the platforming section. Use scaleable walls if needed to reach
Check Out Praetor Suit Points - How To Get & Recommendations Guide!

Sentinel Crystal

There is only 1 Sentinel Crystal in this mission.

No.Map and Instructions
1
Sentinel Crystal
Click to Enlarge
After the platforming section, you will reach the Union Aerospace. A Sentinel Crystal is found along the corridor
Check Out The Sentinel Crystal Guide Here!

Sentinel Battery

There are 3 Sentinel Batteries in this mission.

No.Map and Instructions
1
Sentinel Battery
Click to Enlarge
Drop down the maintenance hatch, then turn around. There will be a platforming section you need to pass to get the Battery
2
Sentinel Battery
Click to Enlarge
Immediately cancel the propulsion of the jump pad by dashing the opposite direction. You will land on the platform where the Sentinel Battery is
3
Sentinel Battery
Click to Enlarge
Once you land on the Lost City of Hebeth, check the right side of the area
Check Out The Sentinel Battery Guide Here!

Secret Encounters

There are 2 Secret Encounters in the mission.

No.Map and Instructions
1
Secret Encounter
Click to Enlarge
Just before you reach the room where you take control of a cannon, there will be a breakable wall. Destroy it and jump down. Follow the path to the Secret Encounter, near a Praetor Suit Point
2
Secret Encounter
Click to Enlarge
Once you fall to the area with totems that damage you, keep an eye out for a corridor on your left. Bust through the breakable vent and use the portal to reach the Encounter
Check Out The Demonic Corruption Guide Here!

Cheat Codes

There is only 1 Cheat Code in the mission.

No.Map and Instructions
1
Cheat Code
Click to Enlarge
After shooting yourself out of a cannon, follow the path until you reach a room full of tentacle monsters. Immediately make a right and follow the path to find the cheat code
Check Out Cheat Codes Guide Here!

Slayer Gate & Key

No.Map and Instructions
1
Mission 7 Slayer Gate & Key
Click to Enlarge
Press the button at the control room to open a door in the next hall. Use the crate to jump onto the vent. Punch it and get in to get the Slayer Key.
Check Out The Slayer Gate Guide Here!

Toys

There are 3 Toys in this mission.

No.Map and Instructions
1
Toy
Click to Enlarge
Head to the back of the room where you gain access to the cannon. A toy will be behind a locked door near a 1Up
2
Toy
Click to Enlarge
Use the blue vent to propel yourself upwards to a walkway which you can use to enter where the toy is found
3
Toy
Click to Enlarge
Head down the Maintenance Hatch near the Union Aerospace Control Room. Look to your left and destroy the vent. Follow the path to reach the room with the toy

Albums

There are 2 Albums in this mission.

No.Map and Instructions
1
Album
Click to Enlarge
Use the monkey bars in the area to move up. Make a 180 to reach the vent where the album is located
2
Album
Click to Enlarge
Once you reach the control room of the Union Aerospace, head to the red wall with a window. There will be a platform which you can get up on. Destroy the vent to your left to find the album

Codex Entry

There are 2 Codex Entries in this mission.

No.Map and Instructions
1
Codex
Click to Enlarge
Get on top of the pillars in the BFG core engine room and wait for them to rise. There will be a platform at the top which you can jump on
2
Codex Entry
Click to Enlarge
Found nearby when you first land on the Lost City Hebeth

AutoMap

There is 1 Automap in this mission.

No.Map and Instructions
1
Automap
Click to Enlarge
Right after entering the BFG core, follow the path until you reach the the rotating engine at the end
Check Out All Collectibles & Upgrades List

Campaign Progression & Walkthrough

<< Previous MissionNext Mission >>
Arc ComplexSentinel Prime
Check Out The Story Campaign Walkthrough List

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