what is this game and how much does it cost?
It's free to play, and you get a fair bit for nothing. But most of the fun stuff is behind unlocks, bought from completed mission cash.
Unfortunately, youll never earn enough cash to unlock everything, and you can't grind the missions either so you have to grind adverts instead to get cash to unlock the newer aircraft, runways and features.
It's genuinely an awesome game though. The level of modelling detail is great.