Marrowsteel

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Assemble every turret from parts — barrel, ammo, magazine, a second gun on the mount — and hold the last line against a biomechanical swarm hundreds strong. Swap modules mid-battle as the swarm changes. Roguelite runs, bosses, a research tree.

Developer: FatCat Games
Released: Coming 2027
Price: Paid
Platforms

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Update posts

1 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 10 Nov, 00:09 UTC

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. Observed since 10 Nov 2026.

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

Demo update 1.1 — know what’s on your guns Patch notes
16 Oct 2026 · Community Announcements
The Marrowsteel demo is out
15 Oct 2026 · Community Announcements

From the game’s Steam news feed, last checked 10 Nov, 00:09 UTC. 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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