Free games like Us Against Aliens
Below are 9 free-to-play Steam games similar to Us Against Aliens, 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 Us Against Aliens page.
Ranked picks
- 1
ENA: Dream BBQ
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Indie with Us Against Aliens.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Action and Indie with Us Against Aliens.
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.
- 3
STRAFTAT
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Action with Us Against Aliens.
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.
- 4
Counter-Strike:Global Offensive
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Action with Us Against Aliens.
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.).
- 5
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Action and Indie with Us Against Aliens.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 6
The Lab
Free-to-play alternative to Us Against Aliens — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 7
Hello Neighbor Alpha 2
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Indie with Us Against Aliens.
Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.
- 8
Control, I'm Not Coming Back
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Indie with Us Against Aliens.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 9
Gator Hucker
Free-to-play alternative to Us Against Aliens — no purchase or trial window. Shares Action with Us Against Aliens.
Gator Hucker is a fast-paced brawler where you craft your own unique playstyle! You are alien alligators with wacky abilities locked in battle, in teams or a chaotic free-for-all! Huck into the arena with the help of cybernetically enhanced gorillas and cause chaos for glory and entertainment!