I’ll admit it. This article is long overdue.
Our original “best helicopter simulator” goes back to 2016 . A lot has changed since then. Some sims have disappeared, others have evolved and a new one (which we will obviously not include in the list) is still in the making.
This is a companion discussion topic for the original entry at https://www.helisimmer.com/articles/best-helicopter-simulator-2019/