Free games like Astrox Imperium
Below are 9 free-to-play Steam games similar to Astrox Imperium, 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 Astrox Imperium page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Action and Indie with Astrox Imperium.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Looker
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Indie with Astrox Imperium.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 3
missed messages.
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Indie and Simulation with Astrox Imperium.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 4
Virtual Cottage
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Indie and Simulation with Astrox Imperium.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 5
The Lab
Free-to-play alternative to Astrox Imperium — 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!
- 6
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Indie and Adventure with Astrox Imperium.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
- 7
DORONKO WANKO
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Action and Simulation with Astrox Imperium.
『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.
- 8
Landfall Archives
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Action and Indie with Astrox Imperium.
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!
- 9
Endless Sky
Free-to-play alternative to Astrox Imperium — no purchase or trial window. Shares Action and Indie with Astrox Imperium.
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.