My favorite is unmatched air traffic control
It’s a fun air traffic control sim in 3d.
Recently with the VIP thing for $5 you can play multiplayer and in AR.
ACEO and Infinite Flight
Lol I made another one of the same topic for aviation talk so now 2 of the same topic
I played for many years the browsergame airlinesim, but it was to time intensive at the end of my carrer there