Free games like Sideral
Below are 8 free-to-play Steam games similar to Sideral, 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 Sideral page.
Ranked picks
- 1
Indigo Park: Chapter 1
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie and Adventure with Sideral.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 2
Poppy Playtime
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie and Adventure with Sideral.
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught.
- 3
We Were Here
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie and Adventure with Sideral.
Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time?
- 4
World of Guns: Gun Disassembly
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie with Sideral.
World of Guns: Gun Disassembly lets you delve into the inner workings of guns from the largest gears to the smallest screws
- 5
Dr. Langeskov, The Tiger, and The Terribly Cursed Emerald: A Whirlwind Heist
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie with Sideral.
A 15 minute heist game by Crows Crows Crows & Directed by William Pugh (The Stanley Parable). Slip into the soft-soled shoes of the mastermind responsible for the greatest heist- oh god I can’t do this any more, i’m joining the strike. good luck writing the steam description. -tina
- 6
When the Darkness comes
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie and Adventure with Sideral.
When the Darkness comes is a walking simulator whose glitchy and dark tale tries to illustrate the hardships of depression and anxiety through a variety of imaginary digital landscapes.
- 7
Transmissions: Element 120
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie with Sideral.
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?
- 8
Marie's Room
Free-to-play alternative to Sideral — no purchase or trial window. Shares Indie and Adventure with Sideral.
Marie's Room is a short story exploration game about an unconventional friendship between two classmates. You play as Kelsey, remembering Marie's room as it was twenty years ago. But something’s off. What happened to Marie?