Microsoft Flight Simulator X is a lot of fun, but the game isn’t cheap. If you don’t want to pay for your flight simulator, you might just want to try GeoFS instead. It’s a free flight simulator with a global environment generated by satellite images and digital geographic data.

The simulator runs on Windows, Mac, Linux, Android and iOS. There are more than 30 aircraft to fly and navigation charts with 40,000 referenced runways. You can even run it in your web browser without anything to install.

Dominic Bayley / Foundry

I really dig the realistic physics and the fact you can fly a wide variety of planes—everything from single engine biplanes to giant jumbo jet Airbus A380s. It’s worth noting, though, that it’s a little tricky to get the hang of at first, so you’re really going to want to personalize the controls before you fly.

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