Free games like Spacetime Dimension
Below are 9 free-to-play Steam games similar to Spacetime Dimension, 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 Spacetime Dimension page.
Ranked picks
- 1
The Lab
Free-to-play alternative to Spacetime Dimension — 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
DORONKO WANKO
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Action and Simulation with Spacetime Dimension.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 3
Landfall Archives
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Action and Strategy with Spacetime Dimension.
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 Spacetime Dimension — no purchase or trial window. Shares Action and Indie with Spacetime Dimension.
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
Crime Scene Cleaner: Prologue
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Action and Simulation with Spacetime Dimension.
When there’s a call, you are the man to clean up after your client’s dirty job. Siding with the mafia is a dangerous game, but they pay well, and you need money, right? So take your mop and better remove those bloodstains quickly before the police come.
- 6
The Riftbreaker: Prologue
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Action and Strategy with Spacetime Dimension.
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 Spacetime Dimension — no purchase or trial window. Shares Indie and Casual with Spacetime Dimension.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 8
The Sims™ 4
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Adventure and Simulation with Spacetime Dimension.
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.
- 9
Starlocked
Free-to-play alternative to Spacetime Dimension — no purchase or trial window. Shares Action and Indie with Spacetime Dimension.
A voxel-based first-person roguelite miner set in an alternate future where the Cold War never ended. You take on the role of a convict forced to labor in a space prison. Fly out into the machine infested asteroid field and gather resources to pay off your debt.