Cryo-Gunner

The Cryo-Gunner is a tower unlocked at wave 1. Instead of doing high amounts of damage it freezes the zombies.

Upgrades:
Level 1: Has 8 ammo. deals 10 damage. the freeze length depends on the zombie

Level 2: Increases time zombies get frozen.

Level 3: Gives the Cryo-Gunner a mask. thats it.

Level 4: Damage now scales between 10 and 15.

Level 5: gives the Cryo-Gunner a inglaciator. Now scales damage from 15-21.