Board Thread:Geometry Dash Update Discussion/@comment-25382562-20150214012147/@comment-32136031-20150610180834

Plus, there's no point of guessing for a 3rd level, as if there was one, it would've been shown in the 5th promo image, and probably would've had its own sneak peek already. Anyways, he's already said he's almost done, so it's not likely there's a third level.