How long do you think making a modern AAA game takes? If those big game companies only started working on a new game after shelving the previous one, they’d go bankrupt before it’s finished. That’s why they pretty much always have several projects in the works at any given time.

There's not a whole lot yet as Bevy is still early in development, but there are a few projects outlined in the Bevy 2nd and 3rd birthday blog posts, altough most of them are still in development. The only game already released on Steam that I could find is Molecoole

Even worse, quite often those backup locks are very cheap