June 2017

• Decreased freeze/shot from 0.09 to 0.08
• Decreased freeze duration from 2.5s to 2.1s

June 2016

• Decreased ammo upgrade multiplier from 1.2 to 1.1667
• Increased ammo capacity from 25 to 30

March 2016

• Increased regeneration upgrade multiplier from 1.1 to 1.25