Completed the 2nd floor in Zero Tolerance
Killed 25 enemies with the handgun on the last floor unlocked in Zero Tolerance
Killed 50 enemies with the handgun on the last floor unlocked in Zero Tolerance
Killed 100 enemies with the handgun on the last floor unlocked in Zero Tolerance
Killed 25 enemies with the shotgun on the last floor unlocked in Zero Tolerance
Killed 50 enemies with the shotgun on the last floor unlocked in Zero Tolerance
16 Achievements Unlocked