How can we fit entire 3D open world games on such small devices?

Question

For example : you can play Minecraft on a device that fits in your hands and you don’t even need to have wifi connection to run it, it is a game that can create quadrillions of unique worlds larger than the earth’s surface.

In: 0

Answer 1

It is not downloaded. It is generated locally by your computer.

The worlds are generated in chuncks. And the chunks are based on a random seed. The same random seed will generate the same world every time.