Still say P3 has a more fucked outcome.
You're just a normal ptsd kid who lost his family going through school life.

And at the end of it, you killed the God of Primordial Chaos itself and became Jesus.

Except its not actually hitler.
Its Hitler wielding the spear that peirced Jesus christ (Lance of longinus) but its really Nyarlathotep, who rigged the whole thing by making it so rumors become real.
And his Final boss is all a monster taking the form of the Main cast's fathers (Innocent sin) that is called "The great father" and it looks something like this: