Would a 3d animation software like EmberGen[0] qualify? Because they already have it[1]. I think it's going to take something bigger, like a massively popular indie or AAA game that programmed their game in odin using an open source engine. Quite the needle to thread.
[0]: https://jangafx.com/software/embergen
[1]: https://odin-lang.org/showcase/embergen/