@hyaniner there's a GURPS ( pen&paper RPG rule-set) supplementary book for mecha fights. It's very good. It presents important "considerations". Some considerations look heavily under-utilized across many other genres.
"Self-created content manifested from behavior patterns can lead to partial information blindness." https://en.wikipedia.org/wiki/Filter_bubble
reinvented VR stuff not referencing 90's LEEPVR paper is a very very sore point.