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11:31 PM UTC · SATURDAY, APRIL 25, 2026 XIANDAI · Xiandai
Apr 25, 2026 · Updated 11:31 PM UTC
Gaming

Dome Keeper launches multiplayer and The Lost Keepers expansion

The mining-defense game Dome Keeper has released a major update on Steam featuring multiplayer support and a new content expansion.

Lena Kim

1 min read

Dome Keeper launches multiplayer and The Lost Keepers expansion
Photo: store.steampowered.com

The mining-defense game Dome Keeper has officially launched a major update on Steam, introducing multiplayer functionality and a new expansion titled "The Lost Keepers."

The update, announced via the Steam News feed, allows players to move beyond the game's traditional solo experience. This shift to a cooperative format changes how players approach the game's core survival mechanics.

Cooperative gameplay

The new multiplayer mode enables players to coordinate resource extraction and dome defense alongside teammates. This addition changes the fundamental gameplay loop, requiring players to manage mining operations and incoming threats in a shared environment.

The "Lost Keepers" expansion accompanies the multiplayer rollout, bringing new elements to the game's existing ecosystem. This expansion works in tandem with the new multiplayer features to expand the scope of the game's content.

The update is now live and available for all players on the Steam platform. The announcement was made directly through the Steam store's news distribution system, notifying the player base of the new availability.

Players can access the update immediately through the Steam store page. The release includes the integrated multiplayer features and the content expansion as part of a single update package.

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