I helped fund the restoration of an old IBM S/34, and now I find myself occasionally thinking about what realtime games you could make run on a 5251 DisplayStation. Tetris would probably be the most engaging. Not sure if you could do it in RPG or COBOL; might require S/34 Assembly. gofundme.com/f/ibm-system-34… piped.video/@crusty.computer en.wikipedia.org/wiki/IBM_Sy…