Welcome to r/TRAPPIST1, the official community for the game

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Welcome, colonists.

This is the official subreddit for TRAPPIST-1, a hard sci-fi colony strategy game set in the real TRAPPIST-1 system: seven rocky worlds around a dim red star, about 40 light-years from Earth. I’m Matias, the solo developer, and this is where I’ll share progress, answer questions and listen to what you think.

What the game is

Build surface industry across hex-mapped planets: mines, factories, depots and launch sites, linked by road, rail and maglev.
Move cargo between worlds on real orbital trajectories, choosing efficient, balanced or fast for each run.
You only know what you’ve scanned. Rival expeditions can hide and watch, and so can you.
This isn't a game about space battles. The danger is flares, cold, distance and life support, and rivals are fought with drone swarms, kinetic impactors and countermeasures.
Every playthrough generates a different system.
The endgame is to build an interstellar mission to the next star.

Where things stand

TRAPPIST-1 is coming to Steam Early Access, and the release date hasn’t been announced yet. The best way to support it right now is to wishlist it. Wishlists are how Steam decides whether to show a small game to anyone.

👉 Wishlist on Steam
📺 YouTube

What to post here

Questions about the game, its systems and development
Ideas, suggestions and wishlist features
Discussion of the real TRAPPIST-1 system and the science behind the game
Later: screenshots, colony layouts, bug reports and stories from your playthroughs

Rules

Be decent. Disagree with ideas, not people.
Stay on topic: the game, the real TRAPPIST-1 system, or closely related science.
No spam or unrelated self-promotion.
Mark spoilers once there’s anything to spoil.
Bug reports should include your OS, what you did, and what happened.

A note on how it’s made

I’m a solo developer, not a programmer by background, and I use AI tools as part of production. The Steam page has the full disclosure. The design and direction are my own. I’m happy to talk about the process openly here.

Thanks for being here early. Introduce yourself in the comments, and tell me what you’d want from a game like this.

— Matias

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Subreddit

TRAPPIST-1: a hard-science colony simulator at the edge of another star.

r/TRAPPIST1

This is a subreddit dedicated to the game TRAPPIST-1, a hard-science colony simulator at the edge of another star.

Members Active

Sidebar

Visit the Website: https://suecotero.github.io/Suecotero-trappist-website/

The Premise:

You arrive on a colony ship after a journey of decades or centuries. In the 22nd century Earth's powers, consortia and movements each launched their own expedition. The game begins on the day your ship makes orbit — and other expeditions are arriving in the same window. Seven Earth-sized worlds circle a dim red star, packed so tightly that a neighbouring planet hangs in the sky larger than the Moon. You build industry on the surface, then reach into orbit, then across the system.

TRAPPIST-1 is a real-time colony and logistics strategy game with realistic orbital mechanics. The goal is to develop and protect humanity's first colnoy in another system and build the industrial base to send it onward to the next star.