Full list of all 137 Natural Selection 2 achievements.
The base game contains 66 achievements, and there is 1 DLC pack containing 71 achievements.
Destroy 10 Extractors
Evolve 3 Kharaa Upgrades
Gorges can only take so much...
Kill the enemy commander
Parasite 20 Marines in one round
Destroy an Exosuit
Parasite 10 Marines in one round
Taunt after killing a player
Kill a Marine with 2 bites and a parasite
Kill a Marine who has a Flamethrower
Kill a Fade
They say there's gorge treasure out there somewhere...
Complete the Alien Commander tutorial.
Complete the Marine Commander tutorial.
Kill a Marine after sneaking as skulk
Kill an Onos
Kill an enemy while defending an Extractor 5 times
Kill a Lerk
Deal the Killing Blow to a Hive or Command Station
Destroy 5 Extractors
Kill 5 Harvesters
Evolve one Kharaa Upgrade
Complete all new player missions
Use Play Now
Destroy 100 resources worth of enemy technology
Kill an enemy while defending an Extractor
Weld your team mates 10 times in 1 round
Weld 5 Power Nodes
Kill a Gorge
Deal 4000 player damage in 1 round
Weld a Power Node
Parasite a Marine
Kill a Marine while defending a Harvester
Kill a Marine who has a Grenade Launcher
Kill a Marine who has a Shotgun
Use a Gorge Tunnel
Play on 3 different maps
Kill a Skulk
Follow 5 Commander’s orders
Use a Phasegate
Play a round as marine
Play a round as alien
Get healed with 1 health point
Deal 7500 structure damage in 1 round
Kill a Marine while having full health
Complete the tutorial
Build 10 Extractors in 1 round
Kill an enemy while defending an Extractor 10 times
Kill 10 Harvesters
Kill 15 Harvesters
Destroy 15 Extractors
Build a Hive as Gorge
Kill a Marine while defending a Harvester 5 times
Kill a Marine while defending a Harvester 10 times
Kill a developer
Destroy 200 resources worth of enemy technology
Destroy 300 resources worth of enemy technology
Rattling the Cage reaps its own reward
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
Complete the Skulk Race Challenge