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