Unlockable Bonus Weapons
Beat every mission on a certain difficulty to unlock the corresponding weapon.
Unlockable
How to Unlock
Genocide Gun
Beat all missions on Inferno.
PX50 Bound Shot
Beat all missions on Hardest.
Y20 Impulse
Beat all missions on Hard.
ZE Launcher
Beat all missions on Normal.
Zero Laser Rifle
Beat all missions on Easy.
Contributed By: thedominor
