Cardioid

The Cardioid is a tier 5 tank that upgrades from the Minesweeper and the Glass Smasher at level 60.

Design
The Cardioid has a Glass Smasher body. Like the Glass Smasher, it has a transparent hole in the middle. Like the Minesweeper, it has a green rod that spins around a green turret, and connect to a black ring.

Technical
The Cardioid has the same upgrades as the Minesweeper, and it has an upgrade cap of 12. Like the Glass Smasher, it does not suffer recoil. Like the Minesweeper, it can see invisible and translucent entities as opaque.

Upgrades
The Cardioid upgrades from the Minesweeper and the Glass Smasher. It does not upgrade any further.