Before you can obtain this achievement you are required to complete level 12 to unlock a playable Batman.
Travel to the game hub and select a flyable character eg:
to go into flight mode and fly up far and high into Gotham City, you will see plenty of tall buildings fly up to Alex Luther’s which has a Green L on the front.
Batman can be found here in the character selection from holding the
button then selecting him with
Change characters into Batman, now jump off the building with
and then press and hold the
whilst moving your left analogue stick left and right gliding for 60 seconds.
Sorry, this Game Clip has been removed
As soon as you hit the 60 seconds, pop achievement unlocked.
You will have plenty of time and space to manoeuvre around, and plenty of time left over to pop this in 60 seconds.