If you have heard of the games The White Door and Cube Escape: Paradox then read this
Proof that Dale Vandermeer was in Robert Hill's head
In one of Robert Hill's dreams, he was in rusty lake theatre.
So, if Dale Vandermeer was in theatre then Dale Vandermeer was in Robert Hill's head
If you have heard of the games Rusty Lake Roots and The Cave, then you know that Auldous Vanderboom was in the cave. In Rusty Lake Roots, it wasn't him, it was his dark soul because of something in Cube Escape: Paradox.