Free games like Alien Infection
Below are 8 free-to-play Steam games similar to Alien Infection, 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 Alien Infection page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action with Alien Infection.
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.
- 2
Iron Snout
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action and Indie with Alien Infection.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 3
Star Fetchers
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action and Indie with Alien Infection.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 4
Meteor 60 Seconds!
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action and Indie with Alien Infection.
Meteor 60 seconds! is a simple, fun, comic-like action game that simulates your life if there were a meteor heading towards Earth and you had 60 seconds to live. Do anything you want to do with your last 60 seconds, even if it's illegal! What about planting an apple tree?
- 5
SAS: Zombie Assault 4
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action with Alien Infection.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- 6
Propagation VR
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action with Alien Infection.
Combining survival horror and static wave shooting, Propagation VR will get your adrenaline pumping as you try to survive a zombie apocalypse. Armed only with your guns and your fists, fight off terrifying zombies and other multi-species mutants. Will you get out alive?
- 7
Devolverland Expo
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action and Indie with Alien Infection.
Devolverland Expo is a first-person 'marketing simulator' set within an abandoned convention center after the annual Devolver Digital game expo was mysteriously canceled.
- 8
BRAIN / OUT
Free-to-play alternative to Alien Infection — no purchase or trial window. Shares Action and Indie with Alien Infection.
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!