Free games like Auto Immune
Below are 10 free-to-play Steam games similar to Auto Immune, 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 Auto Immune page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Auto Immune — no purchase or trial window.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Auto Immune — no purchase or trial window.
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 Auto Immune — no purchase or trial window.
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
Awaria
Free-to-play alternative to Auto Immune — no purchase or trial window.
Awaria is a short game about working in haunted maintenance tunnels.
- 5
The Expendabros
Free-to-play alternative to Auto Immune — no purchase or trial window.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 6
Steam Engine Simulator
Free-to-play alternative to Auto Immune — no purchase or trial window.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 7
Iron Snout
Free-to-play alternative to Auto Immune — no purchase or trial window.
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.
- 8
Magic Archery
Free-to-play alternative to Auto Immune — no purchase or trial window.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 9
Decoherence
Free-to-play alternative to Auto Immune — no purchase or trial window. Shares Strategy with Auto Immune.
Build robots, devise a battle plan and fight alongside them!
- 10
SolForge Fusion
Free-to-play alternative to Auto Immune — no purchase or trial window. Shares Strategy and Casual with Auto Immune.
SolForge Fusion is a collectible card-battler where you are a mighty Forgeborn. Command fierce creatures, cast powerful spells, level up your cards, and crush your foes to earn glorious rewards. Created by Richard Garfield (Magic: The Gathering) and Justin Gary (Ascension).