yeah dude i feel the same way.
I just did that portion of the game also, where you go to Demon Prison for first time. After that, I activated Portal to Cultist Base, which for me was the next game mission. Which Trainer options have you been using? I have only used the following:
- Infinite Health
- Infinite Armor
- No Reload
- Infinite Double-Jump
Hope you get it sorted out
If I remember right, there was an Objective Indicator pointing to Portal. Were you able to progress any further?
Ah yeah I didn't have any such thing. The unlock all mission things worked for me though so at least there is that.