Units

Tier 1 Units

• 
  The Distillery Brothers
• 
  The Nomads of the North
• 
  The Morning Light Croakers
• 
  The Volunteers
• 
  Engineers for Hire

Tier 2 Units

• 
  The Freight Union
• 
  The Wing Demons
• 
  The Glorious AFB
• 
  The Trench Gang
• 
  The Tooth Collectors

Tier 3 Units

• 
  Uncle Butters
• 
  Inmate #43B
• 
  The Matriarch and the Wretches
• 
  Drill Sergeant Volkov
• 
  Kasha, the Farmhand

Unique

• Pigs aka Fat Boris (These harvest from the farms)
• Zombie Mice (Spawned from the Owl)