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