Far Cry 3
Yes. Far Cry 3 is backward compatible.
This game was never made for the Xboxone. It was only made for the 360, but, this game is backward compatible with the xbox one meaning you can play it using your machine.
Yes, if you like dynamic gameplay.
Hello! Far Cry 3 classic edition does not contain map editor. Therefore, you will only be able to access map editor through Far Cry 5 and the original Far Cry 3.