Quicksilver Mountain

Overloaded Metallic Crisis is an Extreme Track in BTD7.

$20 Monkey Money per attempt (Unlocked at Rank 65)

Overview
A metallic terrain with a 4 paths, hence the name. There are 4 entrance paths & 2 exit paths for the bloons. The length of the path looks long enough, but there a mercury portal at the end of the track that can warp all the towers. There are metal in this track. There is a water on the middle side of the track.