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As of —
30-day average
—No reading yet
Polled every 30 days
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 30 days (dormant tier) | — | — |
| Player counts | Every 30 days (dormant tier) | — | — |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
Smash planets together in a real-time physics simulator. Watch a Mars-sized world hit the young Earth, debris spread into a disk and a new moon form, and tides stretch and spin up worlds. Up to 4 million particles on your GPU. Record the raw simulation data and replay from any angle at any speed.

No price on the US Steam store for Planets in a Box: free, not yet for sale, or not checked yet.