Here is the full List of Cheat Codes for Doom Eternal PC version (Console Commands).
ACTIVATE ALL CHEATS
Toggles all of the unlocked cheat codes.
INFINITE EXTRA LIMES
Player has infinite Extra Lives.
Sentinel Armor is active for the whole Mission.
INSTANT STAGGER MODE
One hit from projectiles, explosions. Flame Belch or Dashing instantly Staggers Demons. It has no effect on unique Bosses.
All runes unlocked.
FULLY UPGRADED SUIT
All Praetor Suit Perks are unlocked.
SILVER BULLET MODE
Staggered Demons die from a single hit from projectiles, explosions, Flame Belch, or Dashing.
POWERUP MODE: ONSLAUGHT
Infinite Onslaught powerup is active for the whole mission.
All weapons are unlocked and mastered, and all equipment is unlocked.
All weapons have infinite ammo.
POWERUP M0DE: OVERDRIVE
Infinite Overdrive powerup is active for the whole mission.
Demons do not drop health or armor on death.
Demons burst into confetti on full-body gib, lower body gib, upper body gib, limb loss, and fatal headshots.
POWERUP MODE: BERSERK
Infinite Berserk powerup on map start. Only works on ‘Hell on Earth,’ ‘Exultia,’ ‘Super Gore Nest,’ ‘ARC Complex,’ and ‘Mars Core.’
An invisible audience cheers based on how you play.