Reno Labs
Decade demonstration

One photo. One guess.

Play one round of Decade in your browser: study the photo, guess the year, see your score — then keep your streak in the App Store app.

An astronaut standing on the lunar surface.
Public-domain NASA photo (Apollo 11, 1969) via Wikimedia Commons — the same sample image bundled with the Decade app.

What year was this taken?

Drag the slider, then lock in your guess.

2000

Lock in guess
Open Decade on the App Store