Primestone
Primestone is a brutal stone age survival-craft game that won’t hold your grubby little hand. Use your big, beautiful brain to invent tools, tame fire, outsmart rival tribes - and maybe uncover the ruins of something much older than you.
Last Updated: 4/3/2026
About Primestone
Primestone is a Simulation, and Early Access game developed by MrBeef. It was released on the Steam Store by MrBeef.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Primestone supports the following features:
- Single-player
- Stats
- Full controller support
- Steam Achievements
- PvP
- Co-op
- Multi-player
- Family Sharing
- Steam Cloud
Media & Sceenshots
Watch the featured video for Primestone and see the latest screenshots from the Steam Store.

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Frequently Asked Questions
Soures & References
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Primestone data has been sourced from:
- Valve Corporation. (2026, April 3). Primestone on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Primestone. Steam Community Hub.