Well, the much-hyped “Otherside” launches this evening. This is Bored Ape Yacht Club's 3D world.
Interestingly, it uses Improbable. Their “Spatial OS” is now called “Morpheus”. Here's a tech demo of a few thousand players in one area:
https://www.youtube.com/watch?v=4NEUPQzH0D0
“Otherside” is mostly about selling land for too much money, but it will be interesting to see what their MMO/metaverse looks like. They might have a business model that works with the high costs of a Spatial OS system.
The Improbable cost structure killed four reasonably good free to play indy games last year. So they pivoted to selling to the UK Ministry of Defense. We'll see how this works in the overpriced, overhyped NFT land space.