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