Free games like Natural Selection 2
Below are 11 free-to-play Steam games similar to Natural Selection 2, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Natural Selection 2 page.
Ranked picks
- 1
Life is Strange - Episode 1
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action with Natural Selection 2.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 2
Ultimate Custom Night
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action and Indie with Natural Selection 2.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action and Indie with Natural Selection 2.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 4
STRAFTAT
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action with Natural Selection 2.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 5
Counter-Strike:Global Offensive
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action with Natural Selection 2.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 6
The Expendabros
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action and Indie with Natural Selection 2.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 7
Star Fetchers
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action and Indie with Natural Selection 2.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 8
Dagon: by H. P. Lovecraft
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Indie with Natural Selection 2.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 9
The Wall
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action and Strategy with Natural Selection 2.
[Servers Temporarily Shut Down!] Build. Gather. Breach. The Wall is a never-before seen mix of genres, where dynamic maps, slick combat, base building, and economy management all come together.
- 10
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action with Natural Selection 2.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.
- 11
PlanetSide 2
Free-to-play alternative to Natural Selection 2 — no purchase or trial window. Shares Action with Natural Selection 2.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.