What is the lore of this game?

I finished the game in 36 minutes, but I'm trying to understand what really happened at the end of the story, it's quite confusing, I want to know the outcome of the story if anyone understood.

I finished the game in 36 minutes, but I'm trying to understand what really happened at the end of the story, it's quite confusing, I want to know the outcome of the story if anyone understood.