Do you have any more information about how you solved the distributed physics problem: "Distributed physics is an extremely hard problem for games to solve. SpatialOS makes this much easier by automatically managing the interactions between many different types of game engine or microservice, such as physics engines."
That's part of our "secret sauce", but you can read more about the topic here: improbable.io/2016/01/27/distributed-physics-without-server-boundaries
Can swarm workers be programmed to control vast flocks on Lambda?