GTA puzzle that everyone has long forgotten, finally solved after 20 years. An ex-Rockstar developer chats.

No, not about the Bigfoot mystery, but airplanes. Obbe Vermeij, the technical director of Grand Theft Auto: San Andreas explains that small aircraft were created near the player to simulate flybys. So the jets really come out of nowhere, unplanned. Crashes occur because the planes only scan very slowly when generating whether there is an object in their flight path - and even small obstacles cause an immediate crash.