Planet Nine — Steam game overview

Stored observation / content update: 2026-11-07T07:31:46.000Z

Out there somewhere, but nobody has found it — a planet merge puzzle themed around "Planet Nine" 🚀 Launch planets like billiard balls and merge matching ones, growing from tiny Mercury toward the ninth planet 🌟 3-5 minutes per run, played with a mouse. Scores go to global leaderboards 🪐

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.