Enter The Gungeon

Camera Technique

"Behind the scenes look at how we give Gungeon a sense of depth.

https://www.reddit.com/r/gamedev/comments/ibskyu/found_out_enter_the_gungeon_is_actually_3d_how/

Dungeon Creation

https://www.boristhebrave.com/2019/07/28/dungeon-generation-in-enter-the-gungeon/