[tavavex]

Really? I can't say my experience matches that at all. Hell, the developers got both games running on outdated Switch hardware at 60fps, even in handheld mode.

And even then, as far as I know, they're not really simple 2D games, but more of 2.5D. There are 3D background layers and 3D-like lighting and effect calculations, in addition to overall being very visually dense and complex. I certainly can't compare it to fully flat games, like the aforementioned Hollow Knight or Cuphead, etc.