There are many alternatives to FlightGear for Linux if you are looking for a replacement. The best Linux alternative is X-Plane. It's not free, so if you're looking for a free alternative, you could try YS Flight Simulator or esports for engineers. If that doesn't suit you, our users have ranked more than 10 alternatives to FlightGear and three of them are available for Linux so hopefully you can find a suitable replacement.
X-Plane 10 Global is the world’s most comprehensive and powerful flight simulator for personal computers, and it offers the most realistic flight model available.
YS Flight Simulator is a free flight simulator specifically designed for computers without powerful graphics rendering capabilities.
An award-winning strategy game for each day of the week, with daily and cumulative weekly score to help you improve. Games include classic flight and racing sims, deep learning Chess and Go, Contract Bridge. Sims take place in historical settings.
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