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

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.
◎ IN BROWSER · NO DOWNLOAD · PRIVATE ALPHAIf 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.

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

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

Extend routes, establish stations and upgrade colonies before another fleet reaches 10 Prestige.
No cinematic mockup. No invented features. This is the current playable Alpha.

Choose with real information. We publish the strengths, limitations and sources behind every comparison.
HONEST 2026 GUIDECompare Astrail, Colonist and the official digital options by access, modes and best fit.
OPEN GUIDE
HEAD-TO-HEADSee where a familiar browser alternative ends and Astrail's original sci-fi direction begins.
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PLAY IN BROWSERPrivate rooms, training fleets and social resource strategy without a game download.
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MECHANIC-FIRST GUIDEChoose by what your group wants to keep: negotiation, probability, expansion or official rules.
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GROUP PLAYCompare private rooms, setup friction and group access before organising the next table.
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FREE PLAY EXPLAINEDUnderstand current Alpha, free base-game and catalogue access before choosing a platform.
OPEN GUIDESimple to learn. Deep to master.
Roll two dice. Every numbered sector matching the total activates, unless the Interceptor is blocking it.
Stations collect one resource from each connected activated sector. Colonies collect two.
Negotiate with another commander, exchange 4:1 with the reserve or use a connected port.
Spend resources on routes, stations, colonies or a technology from the Technology Core.
Confirm the end of your command phase and pass control to the next fleet.
Secure the right worlds, control the routes between them and make every trade count.

Organic matter used for routes and stations.

Structural material for routes and stations.

Rare gas used for stations and technologies.

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

Advanced mineral used for colonies and technologies.




ASTRAIL is in active development. Play, break things, share feedback and help decide what comes next.
VIEW ROADMAPFollow development, report problems and see what the community is helping us build next.
Latest stable Chrome, Edge or Firefox. Safari is not yet part of the supported Alpha test matrix.
JavaScript, cookies and graphics acceleration must be enabled. A stable connection is required for multiplayer.
Desktop provides the complete experience. Tablet and mobile layouts remain under active Alpha optimisation.
Lower-powered devices may reduce visual effects. Firefox performs best with hardware acceleration enabled. Reconnect immediately if a multiplayer tab is suspended.
Everything you need to know before joining the current Astrail Alpha.
READ THE FIELD MANUALYes. 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.
Yes. The current private Alpha is free to play. Future commercial plans have not been announced.
Joining the waitlist only requires an email. An approved account is required to enter the private Alpha and keep progress.
Approved Alpha Players can use guided training, play against synthetic fleets, join public matches and create private rooms.
Progress is attached to the approved account during Alpha. We will announce any reset before it happens.
Access is released in manageable waves. Joining the waitlist does not guarantee an immediate invitation.