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Natural Selection 2

Natural Selection 2

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Released Oct 30, 2012 Developer Unknown Worlds Entertainment Publisher Unknown Worlds Entertainment, KRAFTON, Inc. Platforms Windows MultiplayerStrategyFPSTeam-BasedAction
View on Steam ↗ $4.99 (US · as of 2026-10-23)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-10-22 · quoted reviews as of 2026-10-15.

85.1%positive13,382 reviews
Recommended · 37 found this helpful

“If you like the Subnautica games and also like pvp games that mix FPS combat with some Top Down Commander Strategy, give this game a try. This game is what happens when the Kharaa from Subnautica gets out of control. No joke. This game is connected to Subnautica. Same universe.”

— a player, Steam review · 13 hrs played
Recommended · 21 found this helpful

“Natural Selection 2 is the kind of game that makes you question why the industry keeps making the same shooter every year. One bloke plays Commander, desperately trying to hold the team together like an exhausted manager during a night shift, while everyone else either follows…”

— a player, Steam review · 103 hrs played
Not recommended · 233 found this helpful

“This game has no anti-cheat so the community just backdoors people's PCs using steam workshop mods that abuse LuaJIT FFI as a way to detect smurfs and cheaters. Game used to be great but has been overrun with lowly garbage people. They use the backdoor to livestream your desktop…”

— a player, Steam review · 7,166 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.

9,429all-time peak
0 2.5k 5k 2013 2015 2017 2019 2021 2023 2025 No data collected for this period 2.8k avg · Nov 2012

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-23.

137achievements
0.0%median completion
0.0%rarest: Matched Play Unlock
18.5% of players 17.0% of players 16.3% of players 16.0% of players 15.8% of players 15.2% of players 14.6% of players 14.1% of players 13.7% of players 13.3% of players 12.7% of players 12.2% of players 10.9% of players 10.5% of players 9.8% of players 9.6% of players 9.3% of players 7.4% of players 6.6% of players 6.2% of players 5.3% of players 4.1% of players 3.9% of players 3.2% of players 2.4% of players 2.2% of players 1.5% of players 0.9% of players 0.8% of players 0.6% of players 0.5% of players 0.4% of players 0.4% of players 0.3% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 0.0% of players 18.5% 0% most earned rarest
Almost everyone has
18.5%They Just Keep Coming — Kill a Skulk
17.9%TSF — Play a round as a Marine
17.0%Strategic Thinking — Follow 5 Commander’s orders in a single round
Rarest badges of honor
0.0%Matched Play Unlock — Hidden achievement
0.0%Matched Play Unlock — Hidden achievement
0.0%Matched Play Unlock — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$4.99current · sampled 2026-10-23 11:42 UTC
$0.99lowest since tracking began2026-10-01
US4.99 USD
EU4.99 EUR
UK4.29 GBP
Australia7.50 AUD
Canada6.49 CAD
Japan580 JPY
Brazil16.99 BRL
China22.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$3.3 Brazil Japan Canada US Australia EU UK≈$5.7

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-23). Relative comparison only.

$0 $5 $10 07-11 07-30 08-20 09-10 09-30 10-23

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Feb 14, 2023
Unknown Worlds Entertainment ceases active development of Natural Selection 2

10 years since its official release and over 117 updates later, active development of Natural Selection 2 has ended. Our team and this community have provided many years of passion and support for thi

Dec 30, 2022
HOTFIX Update 344

Greetings! We just deployed a hotfix to the game that resolves several issues with skill values not updating in certain cases. Your game version number will increase to reflect 344 after you receive t

Dec 09, 2022
Matched Play v1.0 Released!

Matched Play v1.0 is officially released! We have made several changes and fixes to the system over the last few months, but our official release includes improved regional servers with more dedicated

Jun 27, 2022
Matched Play Beta 4 - Update 342 Released

Changelog Tweaks / Improvements Added a Top Bar UI toggle to the advanced options menu. The Observatory’s scanned Status Effect icon will always show for Aliens within range, regardless of HUD detail

Feb 03, 2022
Update 341 Released!

Update 341 is now available on steam and includes multiple updates to maps and a bunch of bug fixes and tweaks to both the game and matched play. There are also additional updates to the balance which

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-12.

GenresAction, Indie, Strategy
Player tagsMultiplayer · Strategy · FPS · Team-Based · Action · Sci-fi · RTS · Aliens · Indie · Competitive · Shooter · Co-op (SteamSpy community voting)
FeaturesMulti-player · PvP · Online PvP · Steam Achievements · Steam Trading Cards · Steam Workshop · Steam Cloud · Valve Anti-Cheat enabled
LanguagesEnglish * , French, German, Spanish - Spain, Polish, Russian, Finnish, Romanian, Swedish, Czech *
Achievements137
Official sitehttp://www.naturalselection2.com
Minimum system requirements (PC)

Minimum: OS: 7 64-Bit (SP1) or Windows 10 64-Bit Processor: Dual-core processor 2.4 GHz (Intel Core 2 Duo, i3), 2.6 GHz (AMD Athlon or FX) Memory: 6 GB RAM Graphics: DirectX 11 compatible dedicated video card with 2 GB VRAM DirectX®: 11.0 Hard Drive: 13 GB HD space Other Requirements: Broadband Internet connection