What I loved about the early Microprose sims that were pre-1991 is they were quick and easy to get into. Missions were relatively short at about 15 minutes to half an hour, and the action picked up quickly and was quite intense. Plus they had charm and character. I didn't mind the lowered realism, and knew even then as a kid some of the stuff the planes sensors were doing such as perfect positional missile track, easy lock ons, hell--even the targeting button were impossible with 1980s technology, but I still didn't mind, because the total package of the sims made up for that.