Microsoft revealed its Xbox Game Pass June 2026 Wave 1 lineup on June 3, and the headline day-one addition for deal-hunters is Starseeker: Astroneer Expeditions - a brand-new cooperative space adventure set in the Astroneer universe, arriving in Game Preview on June 11 for Game Pass Ultimate and PC Game Pass subscribers at no extra cost.
What Is Starseeker: Astroneer Expeditions?
Developer System Era Softworks and publisher Devolver Digital are behind the title, which sits firmly in its own lane within the Astroneer franchise. It is not a direct sequel or Astroneer 2 - it exists within the same universe, but it is a very different game.
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.
Players will have an advanced set of tools at their disposal to tackle expeditions while they face off with the unknown perils of space - fascinating creatures, hazardous flora, and mysterious forces that await them. The ESS Starseeker itself is the heart of the crew, an ever-evolving space station where players get together to plan expeditions, upgrade their capabilities, and even hang out with other players.
Early Access Details and What Is Included at Launch
The Early Access build is a fully playable cross-platform, cross-progression online multiplayer game. Players can embark on Expeditions from the ESS Starseeker to the planet Tephra and engage with a fun action sandbox, while completing hundreds of missions and tasks, earning and crafting dozens of items, progressing through reputation paths, and discovering an ongoing narrative.
The game releases in Early Access on Thursday, June 11, 2026, at 10:00 AM PT. Based on the development team's stated goals, the Early Access campaign is estimated to last around one year.
The development team has emphasized that the game will feature no microtransactions or premium currencies. Optional cosmetic packs will be the only separate purchases available for players who wish to support the studio further. Full cross-platform play and cross-progression are confirmed for launch, ensuring crews can easily connect regardless of their chosen hardware ecosystem.
The Early Access Roadmap
System Era has been open about its plans post-launch. The Early Access roadmap for Starseeker includes monthly updates that will introduce endgame encounters, expanded narrative elements, and entirely new planetary regions. As players complete goals for the ESS Starseeker and its crew, new Regions - and eventually new planets - will be unlocked for players to explore over time, filled with more narrative, creatures, items, and gameplay.
The Rest of Wave 1
Starseeker is not the only notable arrival in Wave 1. The full confirmed lineup runs from June 4 through June 16 and includes: Herdling (June 4), Total Chaos (June 4), Solarpunk (June 8), Undisputed (June 8), Persona 5 Royal (June 9), Beastro (June 11), Frog Sqwad (June 11), Starseeker: Astroneer Expeditions in Game Preview (June 11), and Junkster (June 16).
| Game | Date | Tier |
|---|---|---|
| Herdling | June 4 | Ultimate, Premium, PC |
| Total Chaos | June 4 | Ultimate, Premium, PC |
| Solarpunk | June 8 | Ultimate, PC |
| Undisputed | June 8 | Ultimate, Premium, PC |
| Persona 5 Royal | June 9 | Ultimate, Premium, PC |
| Beastro | June 11 | Ultimate, PC |
| Frog Sqwad | June 11 | Ultimate, PC |
| Starseeker (Game Preview) | June 11 | Ultimate, PC - Day One |
| Junkster | June 16 | Ultimate, PC |
Microsoft has also confirmed that five games are leaving Xbox Game Pass on June 15: Jurassic World Evolution 2, Lost in Random: The Eternal Die, Scott Pilgrim vs. The World, Warhammer 40K Space Marine: Master Crafted Edition, and Teenage Mutant Ninja Turtles: Shredder's Revenge.
Should You Buy or Subscribe?
For Game Pass Ultimate or PC Game Pass subscribers, Starseeker: Astroneer Expeditions is the clearest day-one win in Wave 1 - a fully featured co-op launch title with cross-play and cross-progression included, at no added cost. The standalone Early Access price is $29.99 with regional pricing, so subscribers pocket the full entry cost from day one. If your subscription lapses or you prefer to own the game outright, check live prices below before committing.
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Starseeker: Astroneer Expeditions is available to buy from €33.99 via the retailers tracked below - a useful fallback if your Game Pass subscription runs out before the 1.0 launch.
