There are a few console commands that you can utilize in the PC version of the new Doom. You can use these to make the game easier and toy with the gameplay parameters in various ways. Note that they can have altered effects if you're playing on high difficulty.
To access the console, press 'Ctrl + ~' while in-game. Then, type any of the following before pressing Enter.
cvarAdd g_permaInfiniteAmmo 1
- Toggles infinite ammo.
cvarAdd g_inhibitAi 1
- Toggles low IQ enemies.
- Equips the player with all mods and weapons.
- Toggle God-mode.
- Reveals map.
- Grants full health, armor, and ammo.
- Grants full health, armor, and ammo. Also equips the player with all mods and weapons.
- Toggles Glory Kill mode. Kills require Glory Kill animations.