Free games like Terracosmic
Below are 8 free-to-play Steam games similar to Terracosmic, 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 Terracosmic page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action with Terracosmic.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Lab
Free-to-play alternative to Terracosmic — 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!
- 3
The Riftbreaker: Prologue
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action and Strategy with Terracosmic.
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
Unturned
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action and Adventure with Terracosmic.
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
- 5
Paladins®
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action and Strategy with Terracosmic.
Paladins is the ultimate fantasy team-based shooter experience, with over 50 customizable Champions fighting in 5v5 action across a diverse Realm of modes and maps!
- 6
Muck
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action and Adventure with Terracosmic.
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
- 7
SCP: Secret Laboratory
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action with Terracosmic.
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
- 8
Splitgate
Free-to-play alternative to Terracosmic — no purchase or trial window. Shares Action with Terracosmic.
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.