“The “randomness” of a die roll isn’t about actual indeterminacy, but rather just a way of talking about your ignorance of how the deterministic processes that control the die operate. Quantum physics, on the other hand, has things that as far as anyone can tell are really, objectively random, with no mechanism producing that randomness and nowhere apparent to stick one.”

Mechanically Separated Meat » Super Mario World vs. the Many-Worlds Interpretation of Quantum Physics

There’s also an intriguing video; visualization of the Many Super Mario Worlds Interpretation of quantum physics.