Some developers are seriously considering de-listing their games from online shops when the Unity Runtime Fee kicks off at the start of next year, meaning some titles built on Unity could end up being temporarily — or permanently — unavailable. Here's what developers are saying about the Unity Runtime Fee on social media, and what games could be impacted.
Someone has pulled off porting an Unreal map over to Unity before, but a lot of the maps lighting and other effects were completely lost. Look up Stanley parable rocket league. It’s definitely possible to port Unity maps to other engines and vice versa, but it would take a lot of work and a lot of rebuilding everything from scratch