DOOM Eternal has 47 achievements worth 1500 gamerscore

Doomsday 0 Complete Hell on Earth	20
The Hunters Became the Hunted 0 Kill the Doom Hunters	30
Interplanetary Fracking 0 Blow a hole in Mars	20
Thumbs Down 0 Best the Gladiator in the coliseum	25
Reforged and Refueled 0 Acquire a new Crucible in Taras Nabad	50
The Once and Future Slayer 0 Complete the Campaign on any difficulty	50
Running Up the High Score 0 Complete Extra Life Mode with 10 Extra Lives in your Inventory	50
Crystal Craving 0 Upgrade Health, Armor, or Ammo	20
King of the Crystals 0 Fully upgrade Health, Armor, or Ammo in a single save slot	30
This One's my Favorite 0 Complete a Praetor Suit Perk category in a single save slot	15
They're ALL My Favorite 0 Purchase all Praetor Suit Perks in a single save slot	100
Homemaykr 0 Spend 8 Sentinel Batteries in the Fortress of Doom in a single save slot	25
Extra Extra Lives 0 Pick up 20 Extra Lives Total in a single save slot	30
Reforged the Genie Lamp 0 Complete the cheat code collection in a single save slot	10
Metal Head 0 Complete the album collection in a single save slot	10
Playset Sold Separately 0 Complete the toy collection in a single save slot	10
If Only I Could Read… 0 Collect all physical Codex pages in a single save slot	30
Bonus Stage 0 Complete a Slayer Gate	20
Breaker of Gates 0 Complete all Slayer Gates in a single save slot	40
Gunpletionist 0 Master all Weapon Mods in a single save slot	30
Darn It, They Keep BREAKING 0 Perform 33 Unique Glory Kills in a single save slot	33
Mix and Match 0 Play as 5 different Player Demons in BATTLEMODE	20
Fight Like Hell 0 Do 5000 damage as a Player Demon in BATTLEMODE	20
Blood Bath 0 Kill 200 opponents in BATTLEMODE	20
Man vs Monsters 0 Play 25 BATTLEMODE matches	25
Weapons Expert 0 Kill a Player Demon with each of the 8 Slayer weapons in BATTLEMODE	10
Truce between Demons 0 Heal yourself or your teammate for 50000 health in BATTLEMODE	20
It's a Magic Number 0 Kill 666 Demons.	67

Secret Achievements

Nontraditionalist 0 Kill the Khan Maykr	30
Iconoclast 0 Kill the Icon of Sin	90
Treasure Hunter 0 Beat all encounters and Mission Challenges, and find all Items in Taras Nabad in a single save slot	15
Master of Fasting 0 Complete a Mission with only the Famine Mode cheat on	15
Meet Your Unmaykr 0 Acquire the Unmaykr	20

DOOM Eternal: The Ancient Gods - Part One

There are 7 achievements with a total of 250 points.

1-Upsmanship (Ancient Gods 1) 0 Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)	90
Lucky Charm Bracelet 0 Acquire all Support Runes in a single save slot (Ancient Gods 1)	30
Hypersonic 0 Complete all Secret Encounters in a single save slot (Ancient Gods 1)	15
Required Reading 0 Collect all physical Codex pages in a single save slot (Ancient Gods 1)	15

Secret Achievements

Torrential Pain 0 Complete the UAC Atlantica Facility (Ancient Gods 1)	30
To Take a Life Sphere 0 Destroy the Life Sphere in the Blood Swamps (Ancient Gods 1)	30
Regime Change 0 Defeat Samur in the Holt (Ancient Gods 1)	40

DOOM Eternal: The Ancient Gods - Part Two

There are 7 achievements with a total of 250 points.

Tougher Than Nails 0 Acquire all Sentinel Hammer upgrades (Ancient Gods 2)	30
Live Die Reload 0 Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 2)	90
Critical Literature 0 Collect all physical Codex pages in a single save slot (Ancient Gods 2)	15

Secret Achievements

Crystal Spelunker 0 Complete World Spear (Ancient Gods 2)	15
Cross the Threshold 0 Complete Reclaimed Earth (Ancient Gods 2)	30
Siege the Day 0 Complete Immora (Ancient Gods 2)	30
Rest Your Weary Fists 0 Kill the Dark Lord (Ancient Gods 2)	40