Speaking of oh ess tee, I found this channel a while ago that's been doing FM remakes/demakes of etriam stuff
https://www.youtube.com/watch?v=Oq65QvxzPbo
https://www.youtube.com/watch?v=nNQkPOXEQTw
https://www.youtube.com/watch?v=aFGnzEUMo5s
it's bretty good