Signal Simulator similar games & best alternatives

Signal Simulator - Trailer
Signal Simulator - signal-simulator_1.avif
Signal Simulator - signal-simulator_2.avif
Signal Simulator - signal-simulator_3.avif
Signal Simulator - signal-simulator_4.avif
Signal Simulator - signal-simulator_5.avif
Signal Simulator - signal-simulator_6.avif

Signal Simulator

Linux, PC (Microsoft Windows) • 2018

Should you play it?

Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .Control massive Radio Antennas by using interactive control in your Observatory. Detect , download and decode unknown or story telling signals. Manage and Maintain an electrical system to improve your systems and make it more efficient.

What works

  • Unique and immersive atmosphere
  • Complex and satisfying simulation mechanics
  • Relaxing and meditative gameplay
  • Frequent developer updates (historically)
  • Customizable radio and video playback

Things to keep in mind

  • Steep learning curve and poor tutorial
  • Slow and repetitive gameplay
  • Limited content and story depth
  • Developer abandonment concerns
  • Performance issues on some pcs

What to play next

Top picks

Games that feels the closest overall

  • Astronomics

  • Anonymous Hacker Simulator

  • RymdResa

  • Conrad Stevenson's Paranormal P.I.

  • Star Trucker

  • The Last Caretaker

Less idle-friendly

Games that feels like Signal Simulator but with less of an idle filler feel

  • Uncle Chop's Rocket Shop

  • Red Matter 2

  • Rogue Voltage

  • Frostrain

  • MOLE

  • Submachine: Legacy

More violent

Games that feels like Signal Simulator but with more combat and destruction

  • Five Nights at Freddy's 3

  • Dome Keeper

  • The Spotter: Dig or Die

  • The Black Grimoire: Cursebreaker

  • SpaceBourne

  • ADACA

Choose your own criteria ->

Similarity map

How to compare these games

Compare nearby games

Each card is a nearby game on the similarity map, compared with Signal Simulator. Swipe sideways to move between games. Titles already listed in What to play next are left out.

  • Cover and title: open that game’s page.
  • What works / keep in mind: the same highlights as the desktop comparison panel.
  • Bars: the main motivational differences versus this game.
How to use the graph

Similarity map

Each dot is a game placed from its motivation profile relative to this page’s game. Direction shows which motivation differs most; distance along that axis shows how large the gap is.

  • Purple star: this page’s game at the centre — everything is relative to it.
  • Direction: each axis is a main motivational difference vs this game (e.g. more / less competitive).
  • Distance on an axis: how large that difference is (ring scales show +/− points).
  • Coloured chips: click to highlight games that mainly differ on that motivation; click again to reset.
  • Dotted line: link between this page’s game and the one selected for comparison.
  • Hover a dot to preview that game in the panel on the right; click to keep that comparison.
  • Scroll or double-click the chart to zoom.

How to read the map This is a polar difference map: direction = which motivation differs, and distance = how much (same units as the sidebar deltas).

Swipe to compare nearby games with Signal Simulator. These titles are not in What to play next.

Signal Simulator: Broadly representative of its motivational profile, with a few distinct shifts. Motivations that often define this kind of title include Violence, Fantasy, Thrill, Story. Here, the score leans higher than usual among comparable games on Story, Idle, Thrill.

Last update: 21/08/2026