Free games like Star Boss
Below are 9 free-to-play Steam games similar to Star Boss, 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 Star Boss page.
Ranked picks
- 1
Crime Scene Cleaner: Prologue
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Simulation with Star Boss.
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.
- 2
South Scrimshaw, Part One
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie and Casual with Star Boss.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 3
The Riftbreaker: Prologue
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie with Star Boss.
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
SCP – Containment Breach
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie with Star Boss.
A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?
- 5
Muck
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie with Star Boss.
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
- 6
Fallout Shelter
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Simulation with Star Boss.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
- 7
Kingdom: Classic
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie and Simulation with Star Boss.
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
- 8
Mr.Mine
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie and Simulation with Star Boss.
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
- 9
Stacks:Space!
Free-to-play alternative to Star Boss — no purchase or trial window. Shares Indie and Simulation with Star Boss.
Stacks:Space is a space-themed base builder card game with rogue-like elements. Buy booster packs to get new cards, discover craft recipes by stacking cards together, create structures, manufacture drones and droids, defend your base from enemies, visit distant planets, and more!