Improbable saves developers potentially millions when it comes to simulation by providing the unseen back-end tech that makes it simple for developers to create colossal virtual worlds.

With $20m investment and backed by Google, Improbable makes anything possible – from simulating the human body to help fight disease to urban planning.

See more of our 101 tech start-up disrupters here.

And check out our 101 rising stars of tech - the exciting firms which did not make the main list but have the potential to grow.