Swirl

Swirl is a propety that can be applied to any bloon, except on M.O.A.B class bloons.

When a bloon with the Swirl propety is popped, it spawns it's child(s) on anywhere on the path randomly, but they never go further than 80% of the map. If the bloon has already passed the 80% point, the bloon will teleport backwards.

This encourages to build defenses everywhere on the map.

Apperance
The Swirl propety can go on any bloonᴵ'ˡˡ ᶠᶦⁿᶦˢʰ ᵗʰᶦˢ ˡᵃᵗᵉʳ :I Swirl Red Bloon, for example