You really need to be better to optimize your games. Foliage vs Dead on UE5 sizes awesome 200 MB, but yours sizes terrible 2-3 GB, and unstable to play it.
Your english file is corrupted, I didn't found the issue reason. Did you tested that?
If you going to comment "is here new update on itch io?" so answer: NoThere is no free updates anymore, here is a 'demo' instead forever.
Nope, asosisus.
