While the aircraft models look great, the base global scenery can feel a bit sparse. It doesn't quite match the "photogrammetry" world-detail found in newer titles like Microsoft Flight Simulator , but it provides a clean, high-performance environment for serious IFR (Instrument Flight Rules) training.
X-Plane 11 requires a balanced system to run smoothly, especially when adding high-fidelity 3rd-party aircraft or ortho-scenery: Making an airplane for X-Plane 11 Tutorial #1