February 2018
- Increased max health from 100 to 110
- Decreased health upgrade multiplier from 1.1 to 1.091
September 2017
- Increased cloud damage from 3 to 4
- Increased ammo capacity from 10 to 15
May 2016
- Increased start damage from 13 to 15
- Increased end damage from 10 to 12
March 2016
- Increased regeneration upgrade multiplier from 1.1 to 1.25