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Astrail
ASTRAIL · FREE ONLINE MULTIPLAYER SPACE STRATEGY GAME

TRADE WORLDS.
BUILD YOUR FRONTIER.

Astrail is a free online multiplayer space strategy board game for 2–4 players, playable directly in your browser. Roll, harvest, negotiate and expand across a living galaxy.

JOIN THE ALPHASEE REAL GAMEPLAY
IN BROWSER · NO DOWNLOAD · PRIVATE ALPHA
THE SCI-FI ALTERNATIVE TO CATAN

THE TABLETOP TENSION YOU LOVE.
A GALAXY OF OUR OWN.

If you enjoy Catan's mix of dice, resource trading and tactical expansion, Astrail takes that familiar social strategy loop into a faster, cinematic online frontier.

A vivid biomass world in the Astrail frontier
01

ROLL & HARVEST

Every roll reshapes the table. Linked worlds produce the resources your frontier needs.

Four Astrail commanders negotiating around a galactic strategy table
02

TRADE & OUTPLAY

Read the table, negotiate with rivals and turn an imperfect cargo hold into your next move.

The live Astrail game board with planets, routes and colonies
03

BUILD THE FRONTIER

Extend routes, establish stations and upgrade colonies before another fleet reaches 10 Prestige.

Astrail is an independent game and is not affiliated with or endorsed by Catan GmbH.
CURRENT ALPHA GAMEPLAY

THIS IS THE GAME. RIGHT NOW.

No cinematic mockup. No invented features. This is the current playable Alpha.

FIND YOUR NEXT TABLE

NOT EVERY ALTERNATIVE
IS TRYING TO DO THE SAME THING.

Choose with real information. We publish the strengths, limitations and sources behind every comparison.

HONEST 2026 GUIDE

CATAN ALTERNATIVES

Compare Astrail, Colonist and the official digital options by access, modes and best fit.

OPEN GUIDE
HEAD-TO-HEAD

ASTRAIL VS COLONIST

See where a familiar browser alternative ends and Astrail's original sci-fi direction begins.

OPEN GUIDE
PLAY IN BROWSER

ONLINE STRATEGY

Private rooms, training fleets and social resource strategy without a game download.

OPEN GUIDE
MECHANIC-FIRST GUIDE

GAMES LIKE CATAN

Choose by what your group wants to keep: negotiation, probability, expansion or official rules.

OPEN GUIDE
GROUP PLAY

PLAY WITH FRIENDS

Compare private rooms, setup friction and group access before organising the next table.

OPEN GUIDE
FREE PLAY EXPLAINED

FREE STRATEGY GAMES

Understand current Alpha, free base-game and catalogue access before choosing a platform.

OPEN GUIDE
HOW TO PLAY

A FAMILIAR STRATEGY RHYTHM.

Simple to learn. Deep to master.

01

ROLL

Roll two dice. Every numbered sector matching the total activates, unless the Interceptor is blocking it.

02

PRODUCE

Stations collect one resource from each connected activated sector. Colonies collect two.

03

TRADE

Negotiate with another commander, exchange 4:1 with the reserve or use a connected port.

04

BUILD

Spend resources on routes, stations, colonies or a technology from the Technology Core.

05

END TURN

Confirm the end of your command phase and pass control to the next fleet.

FIVE RESOURCES · ONE LIVING ECONOMY

EVERY PLANET CHANGES THE DEAL.

Secure the right worlds, control the routes between them and make every trade count.

SECTOR 01BIO

BIOMASS

Organic matter used for routes and stations.

SECTOR 02ALY

ALLOY

Structural material for routes and stations.

SECTOR 03AET

AETHER

Rare gas used for stations and technologies.

SECTOR 04HEL

HELION FUEL

Energy-dense stellar fuel used to power stations, colonies and technologies.

SECTOR 05CRY

CRYO-ORE

Advanced mineral used for colonies and technologies.

PLAY YOUR WAY

MULTIPLAYER MODES

ALPHA TRANSPARENCY

HELP SHAPE THE FRONTIER.

ASTRAIL is in active development. Play, break things, share feedback and help decide what comes next.

VIEW ROADMAP
  • Active DevelopmentFrequent updates and improvements.
  • Community DrivenYour feedback directs the roadmap.
  • Honest & OpenNo paywalls. No surprises.

LATEST TRANSMISSIONS

VIEW ALL TRANSMISSIONS
COMMUNITY & FEEDBACK

HELP SHAPE THE ALPHA.

Follow development, report problems and see what the community is helping us build next.

DISCORDCommunity link coming soon.!REPORT A BUGSend the team a reproducible issue.VIEW ROADMAPTrack what is planned and in progress.
TECHNICAL READINESS

SUPPORTED BROWSERS & REQUIREMENTS.

RECOMMENDED

DESKTOP BROWSER

Latest stable Chrome, Edge or Firefox. Safari is not yet part of the supported Alpha test matrix.

REQUIRED

WEBGL 2 & HARDWARE ACCELERATION

JavaScript, cookies and graphics acceleration must be enabled. A stable connection is required for multiplayer.

DISPLAY

1280 × 720 OR HIGHER

Desktop provides the complete experience. Tablet and mobile layouts remain under active Alpha optimisation.

KNOWN ALPHA LIMITATIONS

WHAT TO EXPECT

Lower-powered devices may reduce visual effects. Firefox performs best with hardware acceleration enabled. Reconnect immediately if a multiplayer tab is suspended.

ALPHA FAQ · QUICK ANSWERS

BEFORE YOU
ENTER ORBIT.

Everything you need to know before joining the current Astrail Alpha.

READ THE FIELD MANUAL
Is Astrail a sci-fi alternative to Catan?+

Yes. Astrail is built for players who enjoy dice-driven production, resource trading and route-building strategy, reimagined as an original online sci-fi game. Astrail is independent and is not affiliated with or endorsed by Catan GmbH.

Is Astrail free?+

Yes. The current private Alpha is free to play. Future commercial plans have not been announced.

Do I need an account?+

Joining the waitlist only requires an email. An approved account is required to enter the private Alpha and keep progress.

Can I play solo and multiplayer?+

Approved Alpha Players can use guided training, play against synthetic fleets, join public matches and create private rooms.

Does Alpha progress carry over?+

Progress is attached to the approved account during Alpha. We will announce any reset before it happens.

When will my access open?+

Access is released in manageable waves. Joining the waitlist does not guarantee an immediate invitation.

YOUR SEAT AT THE TABLE IS OPEN.

JOIN THE ALPHA

IN BROWSER · NO DOWNLOAD · FREE TO PLAY