Free games like Researchity | Open World Survival Game
Below are 8 free-to-play Steam games similar to Researchity | Open World Survival Game, 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 Researchity | Open World Survival Game page.
Ranked picks
- 1

The Riftbreaker: Prologue
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Action and Strategy with Researchity | Open World Survival Game.
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.
- 2

Fallout Shelter
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Simulation and RPG with Researchity | Open World Survival Game.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
- 3

Darwin Project
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Action and Indie with Researchity | Open World Survival Game.
In Darwin Project, ten inmates must survive the elements, track each other, fight, craft tools, and use their social skills to be the last one standing. It's a unique take on battle royale with a Show Director to influence the match and Spectator Interactions to create a one-of-a-kind game show.
- 4

The Planet Crafter: Prologue
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Adventure with Researchity | Open World Survival Game.
Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.
- 5

Ocean World: Eden Crafters Prologue
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Strategy and Indie with Researchity | Open World Survival Game.
Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.
- 6

CHKN
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Indie and Adventure with Researchity | Open World Survival Game.
Behold, the miracle of life… packed into cubes! Create fantastic creatures in an open-world sandbox game like no other. Explore, craft, and survive—all with the help of your very own creations.
- 7

Kill It With Fire: Ignition
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Action and Indie with Researchity | Open World Survival Game.
Kill It With Fire: IGNITION is a free sampler of a first-person action game about hunting spiders and causing collateral damage. The full game is OUT NOW!
- 8

Dark Hours: Prologue
Free-to-play alternative to Researchity | Open World Survival Game — no purchase or trial window. Shares Action and Adventure with Researchity | Open World Survival Game.
Dark Hours: Prologue is a free co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with a monster. Forget your plan, your mission: survive! Explore and cooperate to find a way out or hide and wish for daylight.