Free games like Starbase
Below are 8 free-to-play Steam games similar to Starbase, 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 Starbase page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Starbase — no purchase or trial window. Shares Action with Starbase.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Counter-Strike:Global Offensive
Free-to-play alternative to Starbase — no purchase or trial window. Shares Action with Starbase.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 3
The Lab
Free-to-play alternative to Starbase — 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!
- 4
SuchArt: Creative Space
Free-to-play alternative to Starbase — no purchase or trial window. Shares Action and Simulation with Starbase.
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 Starbase — no purchase or trial window. Shares Action and Simulation with Starbase.
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
Outpath: First Journey
Free-to-play alternative to Starbase — no purchase or trial window.
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!
- 7
The Riftbreaker: Prologue
Free-to-play alternative to Starbase — no purchase or trial window. Shares Action with Starbase.
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.
- 8
Jigsaw Puzzle Dreams
Free-to-play alternative to Starbase — no purchase or trial window.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!