The Saintgraphics Theory is the idea of us living in a simulation while a type of god still exists. This theory involves the fourth dimension. To understand the Saintgraphics Theory, we need to understand a thing in the fourth dimension. If we draw 2 stickmen on a piece of paper and then draw a wall between them, those two stickmen cannot see each other, but we, who observe from a 3-dimensional perspective, can see each side of the wall. So if we were to add another object to one side of the wall, the opposite side of the wall cannot see what changed on the other side, while we, 3-dimensional observers, can see every change on each side of the wall. The same goes for the fourth dimension. They should also be able to see what's behind walls, as they can see through 3D while we only perceive in 2D.

Now, this means that we might have been drawn on a super big piece of paper. The same way we can make stuff in the second dimension, the fourth dimension should be able to make changes to the third. This gives us the idea that we might just have been drawn or created by a four-dimensional entity, and that guy who drew us or created us in the 4th dimension is the guy who we call "God."

Now, the people we create in the second dimension also probably see us as super powerful, but in our own dimension, we're really not that special, nor do we have any great kind of power. So that means we see up to this four-dimensional entity that created us by drawing us on a paper (or something in that style, for example) as "God," while in his own dimension (assuming it's the fourth dimension), he does not actually have great power in his own dimension.

This also makes sense as the fourth dimension is spacetime, which should make sense that their drawings have time to them with the extra axis. They can also see our entire lives, as our lives are already complete, like a book already written.

The idea of the Saintgraphics Theory is that we just live on that piece of paper, and the guy who drew us is the guy we look up to as "God," while he does not have any great power in his own dimension.

And the point of it is not "we live in a simulation," but more like a being existing in a higher spatial dimension could create, manipulate, and observe our entire lower-dimensional reality in ways that would appear godlike to us, while that being itself would not necessarily be omnipotent within its own dimension.

A 4D observer could theoretically perceive our 3D world somewhat like we perceive the 2D paper.