Certainly. Had OS/2 2.0 been released in 1989-1990 as originally planned, it might have (might have) staved off the need for DOS extenders before they became truly mainstream. But OS/2 2.0 was late and problematic, and NT 3.1 wasn’t any better. Windows 95 was really what eliminated the need for DOS extenders (including for games) and that took a long, long time.One of the last major DOS extended applications was id So1a7treRfw;s Quake – released in mid-1996, nearly 10 years after the arrival of the first 386 PC!