Planets in a Box Early Access

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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.

Developer: Greenleaf
Publisher: Greenleaf ApS
Released: Coming Nov 2026
Price: Paid
Platforms
Languages: English
Series: Simulations in a Box

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 30 days

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

No posts seen yet.

From the game’s Steam news feed. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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