You would be teaching a soon-to-be-adult about the adult world. The game engine is entirely incidental to developing a peer to peer relationship. Their interes

You would be teaching a soon-to-be-adult about the adult world. The game engine is entirely incidental to developing a peer to peer relationship. Their interest in spending time with you will diminish. That reality is the one to optimize for. Recreational interests come and go and come back sometimes. But most don’t stick. Learning Unreal Engine with your 11 year old is possible, but not for more than year.