https://www.engadget.com/2014-04-10-secrets-of-raetikon-soaring-out-of-early-access-for-full-launch.html
Secrets of Raetikon soaring out of Early Access for full launch
Apr 10, 2014 - Secrets of Raetikon is like a flight sim with vectors, except instead of flying like a bird you literally are a bird, and the vectors aren't co-ordinates but...
early accesssecretssoaringfulllaunch