Full list of all 137 Natural Selection 2 achievements.
The base game contains 66 achievements, and there is 1 DLC pack containing 71 achievements.
Evolve one Kharaa Upgrade
Rattling the Cage reaps its own reward
Complete all new player missions
Destroy 5 Extractors
Destroy 10 Extractors
Destroy an Exosuit
Kill a Marine after sneaking as skulk
Kill a Marine while having full health
Deal 7500 structure damage in 1 round
Play a round as alien
Kill a Skulk
Kill a Lerk
Follow 5 Commander’s orders
Play a round as marine
Play on 3 different maps
Complete the Alien Commander tutorial.
Complete the Marine Commander tutorial.
Complete the tutorial
Build 10 Extractors in 1 round
Weld your team mates 10 times in 1 round
Use a Phasegate
Weld a Power Node
Weld 5 Power Nodes
Kill a Gorge
Kill a Fade
Kill an Onos
Kill an enemy while defending an Extractor
Kill an enemy while defending an Extractor 5 times
Kill an enemy while defending an Extractor 10 times
Kill 5 Harvesters
Kill 10 Harvesters
Kill 15 Harvesters
Parasite a Marine
Parasite 10 Marines in one round
Parasite 20 Marines in one round
Destroy 15 Extractors
Build a Hive as Gorge
Kill a Marine who has a Shotgun
Kill a Marine who has a Flamethrower
Kill a Marine who has a Grenade Launcher
Use a Gorge Tunnel
Evolve 3 Kharaa Upgrades
Kill a Marine while defending a Harvester
Kill a Marine while defending a Harvester 5 times
Kill a Marine while defending a Harvester 10 times
Kill a Marine with 2 bites and a parasite
Deal 4000 player damage in 1 round
Deal the Killing Blow to a Hive or Command Station
Get healed with 1 health point
Kill a developer
Taunt after killing a player
Kill the enemy commander
Destroy 100 resources worth of enemy technology
Destroy 200 resources worth of enemy technology
Destroy 300 resources worth of enemy technology
Use Play Now
They say there's gorge treasure out there somewhere...
I don't know what's in there, but it's weird and pissed off, whatever it is.
Infest everybody and stay alive.
Be the last and only survivor against the Infestation
Gorges can only take so much...
Complete the Skulk Race Challenge