Free games like Survivalist: Invisible Strain
Below are 9 free-to-play Steam games similar to Survivalist: Invisible Strain, 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 Survivalist: Invisible Strain page.
Ranked picks
- 1

Ultimate Custom Night
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Indie with Survivalist: Invisible Strain.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
![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 Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Indie with Survivalist: Invisible Strain.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 3

The Riftbreaker: Prologue
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Strategy with Survivalist: Invisible Strain.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 4

The Life and Suffering of Sir Brante — Chapter 1&2
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Strategy and Indie with Survivalist: Invisible Strain.
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!
- 5

The Test: Secrets of the Soul 2
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Indie and Adventure with Survivalist: Invisible Strain.
You will answer questions that will reveal things deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to once again unlock "Secrets of the Soul..."
- 6

SCP – Containment Breach
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Indie with Survivalist: Invisible Strain.
A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?
- 7

Dota 2
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Strategy with Survivalist: Invisible Strain.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 8

Warframe
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and RPG with Survivalist: Invisible Strain.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
- 9

Dysterra
Free-to-play alternative to Survivalist: Invisible Strain — no purchase or trial window. Shares Action and Adventure with Survivalist: Invisible Strain.
On a future post-apocalyptic Earth, build, craft, and loot other players’ bases to survive long enough to board the rocket and escape the dangerous robots and mercenaries that inhabit Ararat Island. Manipulate the weather and use earthquakes to change when the server wipe occurs in DYSTERRA!