Doom 3

[lostsoul70]

I can't get passed a certain point in Doom 3 so how can I get in GOD mode?

 

[Frindis]

I can't get passed a certain point in Doom 3 so how can I get in GOD mode?

Try typing IDDQD in Console Command.

 

[Aldarion]

I can't get passed a certain point in Doom 3 so how can I get in GOD mode?

Ctrl+Alt+Tilde (key above Tab) and type in "god".

EDIT: You have all the cheat codes in Doom wiki:

Doom 3 cheat codes

All Doom 3 cheat codes are activated by typing them into the console. The console can be opened by pressing the Ctrl, Alt and Tilde1 keys simultaneously. The key above Tab, which is marked with a symbol, depending on the keyboard language (eg. ~, ½, §, º...). The cheat codes can be bound to any...

doom.fandom.com

Try typing IDDQD in Console Command.

That is the cheat code for original Doom games. It does not work for Doom 3.