Ghostbusters: The Video Game
51 Achievements
19-23h
PS3
Heat 'Em Up
Purchase all upgrades for the Proton Gun.
38.1%
How to unlock the Heat 'Em Up achievement in Ghostbusters: The Video Game - Definitive Guide
dc0dr
TrueAchievements
TrueAchievements
Purchase new upgrades in the start menu with the cash you earn from missions.
Proton Gun Upgrades:
Blast Stream Focusing - $1,500
Blast Stream Recoil Decrease - $10,000
Boson Dart Supercharge - $12,000
Boson Damage Immunity - $14,000
Total - $37,500
Proton Gun Upgrades:
Blast Stream Focusing - $1,500
Blast Stream Recoil Decrease - $10,000
Boson Dart Supercharge - $12,000
Boson Damage Immunity - $14,000
Total - $37,500