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STELL·IUM

An independent software studio. AI tools, games and Minecraft mods — local-first, built on our own hardware and developed in close collaboration with AI models such as Anthropic’s Claude and OpenAI’s ChatGPT.

All productsGamesNew: Weltenbrand
WeltenbrandMinecraftTriton
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Weltenbrand

Strategy on the real world map — 1914, 1939, today or 2031.

  • Four eras: 1914, 1939, today and 2031
  • The real world map with 1,877 provinces
  • Multiplayer for up to 32 — encrypted, with voice chat
  • Updates arrive automatically
Go to WeltenbrandPlay in the browser

Worlds

Weltenbrand

Strategy on the real world map — 1914, 1939, today or 2031.

Minecraft

DLSS Style · Blender Bridge · FarView · Seedscape · Enchanted Genesis

Triton

An AI agent that does the work, not just the talking.

In numbers

Products
18
Languages
26
Platforms
14
Videos
3
See it work

Recordings, not mockups.

More on YouTube →
3:07
Triton · 3:07Watch Triton design, animate and ship real code
1:30
Triton · 1:302D art turned into real animation
1:05
Enchanted Genesis · 1:05Enchanted Genesis — first animation
The studio

Local-first. Built on our own hardware.

Stellium makes software that runs on your computer instead of in someone else's data center — from an AI agent to a strategy game. Everything we show is recorded for real.

GitHub →YouTube →Gumroad →
Server partner · BisectHosting

Play our mods with friends.

The code ELDERDRAGO gets you 25% off your first month — and supports Stellium.

Get a server