Ever wonder why GT3 seems to be everywhere—from ads and thumbnails to league banners—when F1 and prototypes steal the headlines on TV? We pull back the curtain on the class that grabbed sim racing by the scruff: approachable electronics, road-car glamor, and a deceptively high skill ceiling that keeps you grinding for tenths long after your first clean lap. Then we get practical about growth. If you’ve lived in GT3, you may be missing crucial reps—TCR for entry rotation and power-on push, MX‑...