これをそのまま今のゲームエンジンで作ればいいの
簡単だろ？

https://i.imgur.com/bSNlegF.png
https://i.imgur.com/9szXHwv.png
https://i.imgur.com/z56MGqp.jpg
https://i.imgur.com/sjt9JEi.png
https://i.imgur.com/QB9ivkq.png
https://i.imgur.com/ZNYJTnA.png