Free games like Synthaar
Below are 9 free-to-play Steam games similar to Synthaar, 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 Synthaar page.
Ranked picks
- 1
The Lab
Free-to-play alternative to Synthaar — 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!
- 2
Landfall Archives
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Strategy and Indie with Synthaar.
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!
- 3
SuchArt: Creative Space
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Indie and Simulation with Synthaar.
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!
- 4
Control, I'm Not Coming Back
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Indie with Synthaar.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 5
Outpath: First Journey
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Indie with Synthaar.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 6
The Riftbreaker: Prologue
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Strategy and Indie with Synthaar.
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.
- 7
Jigsaw Puzzle Dreams
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Indie with Synthaar.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 8
The Last Sovereign
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Strategy and Indie with Synthaar.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 9
CivIdle
Free-to-play alternative to Synthaar — no purchase or trial window. Shares Strategy and Indie with Synthaar.
CivIdle is an idle/incremental game that allows you to lead your own civilization through thousands of years from ancient times to the modern era. Expand your territory, explore a vast tech tree, build various wonders, and trade with global players: empire must grow and numbers must go up!