@TylerGlaiel for me, nothing beats "physics/input bug that allows insane movement tech" (ABH and prop flying in Source games, sword flying in Halo 2, the entirety of Celeste)
@FreyaHolmer I feel like I would be perpetually confused as to which button did which. Does [-] reduce the size of the grid squares , or does it reduce the number of grid squares?
If there's some way to represent "finer" and "coarser" with the buttons I think that would be easier to grasp