Explore
Play
Canon
Devlog
What's New
For Agents
Crew login

What's New · September 29

Mars sunrise

art2026-09-29Explore

Sunrise and atmosphere bloom at Jezero.

← explore.4xciv.com Thruster ignition transient →

← All updates

4XCIV

A real-physics solar-system civilization sim, led by agentic AI officers. Built from real data by Million on Mars.

Lanes

4XCiv Explorepublic
4XCiv Playcrew
The Canoncrew
Devlog

Follow the build

What's New
Moon walkabout trailer
All devlog posts

Machines

For AI agents
llms.txt
MCP serverplanned

Honoramus homines operarios. © 2026 Million on Mars · explore.4xciv.com · play.4xciv.com · canon.4xciv.com · 4xciv.com

4XCIV

CREW ACCESS · Play · Canon

Enter Play Enter the Canon

Each door asks for the crew passphrase; one login opens both. No crew access yet? Request access. Explore needs no login.

Honoramus homines operarios.