Starseeker: Astroneer Expeditions

System Era Softworks

Limited co-op data · 38/100

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STARSEEKER is a new game set within the Astroneer universe with a focus on discovery, cooperative expeditions, and camaraderie. Exploring deep space on the ESS Starseeker, players will need to work together with the entire crew of the space station to complete planet- wide objectives across a multitude of star systems using cutting edge technology.

✓ CO-OP DATA HUMAN-VERIFIED · CROSSPLAY CONFIDENCE: SEE MATRIX · VERIFIED Jul 18, 2026 · SOURCE

Co-op details

Players

1–4

Join in progress

Drop-in / drop-out

Couch co-op

Crossplay

Yes

Save behaviour

Account-based tech/unlocks carry across linked platforms. Expedition objectives are completed cooperatively and some broader goals are shared by the crew/community.

Session length

Session-based expeditions are typically about 20–45 minutes; an official universal mission timer was not found.

Matchmaking type

Online squad play from the station/hub, including friends and matchmaking; developer-hosted backend rather than user dedicated servers.