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STARSEEKER: Astroneer Expeditions Wiki

Explore alien worlds and launch Offensives against the Void as a member of the ESS Starseeker crew. Embark on timed Expeditions to investigate alien flora and fauna, upgrade your gear, and complete missions to

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About STARSEEKER: Astroneer Expeditions

STARSEEKER: Astroneer Expeditions puts players aboard the ESS Starseeker, a space station that serves as a hub for exploration, research, and socializing. Teams of Astroneers launch timed Expeditions to handcrafted alien worlds, gathering resources, gear, and wildlife while confronting the spreading Void.

Beyond the open‑world wanderings, squads can tackle Voidbreak Offensives—high‑tier missions that test equipment and coordination. Progress unlocks advanced tools, customizable cosmetics, and the ability to shape the ever‑changing station, fostering a persistent community effort against the Void’s corruption.

01 / THE GUIDE

Timed Expeditions

Expeditions are launched from the ESS Starseeker and let squads freely roam alien planets in search of resources, gear, and wildlife. The first destination, Planet Tephra, features wetlands, jungles, and oceans littered with wreckage.

These missions are timed, encouraging coordinated exploration and resource collection before the window closes. Players can work together or solo, but the focus remains on gathering and discovery rather than combat alone.

  • Coordinate with your squad early to cover more terrain before the timer expires.
  • Prioritize high‑value resources first to ensure you return with useful loot.

02 / THE GUIDE

Voidbreak Offensives

Voidbreak Offensives are high‑tier missions designed to push back the Void’s corruption. Squads may pre‑make a team, matchmake, or attempt the Offensive solo. Each type presents unique mechanics, enemies, and rewards.

Success yields gear and progression, while failure is a possible outcome. The missions test both equipment and player skill, offering a distinct challenge from regular Expeditions.

  • Review the specific Offensive type to understand its unique mechanics before starting.
  • Balance your loadout with both offensive and defensive tools for varied enemy encounters.
STARSEEKER: Astroneer Expeditions official gameplay screenshot
Publisher-provided gameplay image · System Era Softworks

03 / THE GUIDE

Gear and Cosmetic Customization

Completing missions unlocks advanced gear and a robust customization system. Players can move, layer, and resize each cosmetic item, allowing extensive visual personalization.

Loadouts can be tailored with unlocked equipment, letting squads adapt to different planetary hazards or Offensive requirements while maintaining a unique appearance.

  • Experiment with layering cosmetics to create a distinct visual identity.
  • Match gear choices to the environmental challenges of the planet you plan to explore.

04 / THE GUIDE

The ESS Starseeker Station

The ESS Starseeker serves as a persistent, evolving space station where players gather to plan missions, upgrade gear, and interact with visitors. Community quests provide shared rewards, and item swapping is supported among crew members.

The station also showcases top Astroneers on large screens, fostering a sense of achievement and community recognition.

  • Participate in community quests to contribute to shared rewards.
  • Visit the station’s display screens to learn strategies from highlighted players.

05 / THE GUIDE

Multiplayer and Cross‑Platform Play

STARSEEKER supports online co‑op, cross‑platform multiplayer, and partial controller support, allowing players on Windows to team up regardless of input method. Features such as Steam Achievements and Remote Play on TV extend the social experience.

Family Sharing is also available, enabling multiple accounts to access the game on a single purchase, further encouraging collaborative play.

  • Use Remote Play on TV for a shared living‑room experience during Expeditions.
  • Leverage cross‑platform matchmaking to find squads when your friend list is limited.

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STARSEEKER: Astroneer Expeditions videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

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COMMUNITY

Player discussion

    QUICK ANSWERS

    STARSEEKER: Astroneer Expeditions FAQ

    Can I play STARSEEKER solo?

    Yes, you can launch Expeditions and attempt Voidbreak Offensives alone, though many activities are designed for squad cooperation.

    What planet is available first?

    The initial world is Planet Tephra, featuring wetlands, dense jungles, oceans, and wreckage from a previous EXO Dynamics voyage.

    Is there a way to earn cosmetics without spending real money?

    Cosmetics are unlocked by completing missions and progressing through the game’s gear and customization system.

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    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-24. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.