[hypertele-Xii]

Well nothing's simulated, it's essentially just an animated 3D model, right? Think about how complex scenes Blender can render in real-time.

It's pathfinding and AI that murder video game performance.

[Jasper_]

Some actors have simulations (e.g. Beedle's boat) but not too many right now. Compare to Super Mario Galaxy or the Source Engine games where there's even a bit of interactivity.

[mrguyorama]

The most incredible example to me was pokemon snap! You could play a fun facsimile of the game