Science & Space

SETI

Comb a postage-stamp galaxy for the one bit of static that might be saying hello.

SETI website homepage screenshot
Site Stumble field capture of SETI, reviewed October 2, 2026.

SETI shrinks the search for extraterrestrial intelligence into a 32-by-32-pixel galaxy. Move a cursor across the sky, listen and watch for a signal, then zoom deeper and decide whether its pattern is ordinary astronomy or suspiciously random company.

What is SETI?

The scale is the joke and the hook: a cosmic listening project squeezed into a tiny square. The game generates a fractal galaxy packed with signals, then gives you a cursor and a handful of zoom controls. Noise and flickering pixels announce that something is nearby; repeated inspection is supposed to separate regular celestial patterns from the broadcasts worth calling alien. It is less observatory simulator than minimalist signal safari, with enough keyboard shortcuts to make the hunt feel brisk once your eyes and ears know what to notice.

What you can do there

  • Scan a pixel galaxy for signals
  • Zoom into promising regions
  • Separate regular patterns from random broadcasts

Why we picked it

SETI turns an enormous scientific question into a satisfyingly small act of attention. There are no upgrade trees or fleets to manage, just a field of possible meaning and the temptation to zoom one layer deeper. That tension between toy-box scale and universe-sized stakes earns the game its odd little orbit.

How to get the most from it

Give the initial galaxy a few seconds to generate, then sweep with the mouse or arrow keys. When sound or the lower-screen pixels indicate a signal, zoom in with Space, Enter, or left click; use Backspace or right click to retreat. Headphones may make the listening cue easier to follow.

Good to know

The browser game lists keyboard and mouse input but does not list touch, and a name-your-own-price 12 MB Windows build is also available. Its color-blind-friendly label and current audio, performance, accessibility, scientific accuracy, and social integrations were not independently tested. The host restricts iframe embedding to itch.io.

Who made it, and when?

Ned Makes Games is the credited creator or organization. A documented update was recorded April 13, 2018.

Creator’s official page
Reviewed by Site Stumble editorial

Last editorial review: October 2, 2026. Our notes combine direct observation, first-party information when available, and independent research.

Read our methodology
Open SETI