Disarmament
Not unlocked yetKill a Marine who has a Shotgun
Firefighter
Not unlocked yetKill a Marine who has a Flamethrower
Bomb Defusal
Not unlocked yetKill a Marine who has a Grenade Launcher
You're Walking Now
Not unlocked yetDestroy an Exosuit
Slimy
Not unlocked yetUse a Kharaa Tunnel
Battle Ready
Not unlocked yetEvolve one Kharaa Upgrade
Unfair Advantage
Not unlocked yetEvolve three Alien upgrades
They Came From Behind
Not unlocked yetKill a Marine after sneaking as Skulk
Most Valued Xenomorph
Not unlocked yetKill a Marine while defending a Harvester
Secure Investments
Not unlocked yetKill a Marine while defending a Harvester 5 times in a single round
Patron Saint of Res
Not unlocked yetKill a Marine while defending a Harvester 10 times in a single round
Protip
Not unlocked yetKill a Marine with two Bites and a Parasite
Untouchable
Not unlocked yetKill a Marine while having full health
Demolitions
Not unlocked yetDeal 7500 structure damage in a single round
Bloodrage
Not unlocked yetDeal 4000 player damage in a single round
Checkmate
Not unlocked yetDeal the killing blow to a Hive or Command Station
‘Tis But a Scratch
Not unlocked yetGet healed with a single health point
Quality Assurance
Not unlocked yetKill a developer
Unsportsmanlike Conduct
Not unlocked yetTaunt after killing an enemy player
Regicide
Not unlocked yetKill the enemy team's Commander
No More Fancy Toys
Not unlocked yetDestroy 100 resources worth of enemy technology in a single round
Burning Cash
Not unlocked yetDestroy 200 resources worth of enemy technology in a single round
Recession
Not unlocked yetDestroy 300 resources worth of enemy technology in a single round
First Adventure
Not unlocked yetComplete both tutorials.