Free games like Interplanetary
Below are 8 free-to-play Steam games similar to Interplanetary, 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 Interplanetary page.
Ranked picks
- 1
The Expendabros
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Indie with Interplanetary.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 2
The Lab
Free-to-play alternative to Interplanetary — 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
Landfall Archives
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Strategy and Indie with Interplanetary.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 4
SuchArt: Creative Space
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Indie with Interplanetary.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 5
Die in the Dungeon: Origins
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Strategy and Indie with Interplanetary.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 6
Epic Battle Fantasy 3
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Indie with Interplanetary.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 7
SCP: Secret Laboratory
Free-to-play alternative to Interplanetary — no purchase or trial window. Shares Indie with Interplanetary.
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 Interplanetary — no purchase or trial window. Shares Indie with Interplanetary.
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.