I played the whole the game Wolfenstein II the new Collasas and want to play the hardest level in God Mode is that even possible on this game? can or will anyone please help me? thank you in advance. Is there god mode in this game or not?

I'm not entirely sure what you plan to accomplish with some dank weed there, but asking in the series subforum will get you answers much more focused.

After completing the game once, Options > Game options > Cheat Menu should work.