Dome Keeper

news.xbox.comOfficial news, read 28 October 2026

Backs Online co-op, Most players online, Local co-op, Most players on one screen, Split or shared screen, Platforms, Kind of game, Working in sync, Rivalry in the group.

• Online co-op: Post by the publisher's brand manager, dated 2026-04-13. It says multiplayer has co-op and competitive play, local splitscreen and online play.
• Most players online: Says co-op mode is open to up to eight players at once and online multiplayer is for up to 8. The Steam store text still says four player co-op and is older than this update, so the publisher's post wins.
• Local co-op: Says multiplayer includes local splitscreen for up to 4 players.
• Most players on one screen: The post gives 4 for local play and the Steam store text agrees. The Xbox store badge shows 2 to 8, so the lower figure from the publisher's post is used.
• Split or shared screen: The post calls the local mode splitscreen.
• Platforms: Says the multiplayer version is available on Xbox Series X|S, Xbox on PC and Game Pass.
• Kind of game: Says you and the other players work together to dig, collect resources, expand the dome and fight the waves.
• Working in sync: Says the domes now have a second weapon station, so up to two keepers can fight at once. Players share the digging, the collecting and the fighting.
• Rivalry in the group: Says multiplayer has competitive play as well as co-op. Versus is a separate mode, so rivalry stays minor.

steamcommunity.comOfficial news, read 28 October 2026

Backs Split or shared screen, Crossplay.

• Split or shared screen: Developer post of 2025-08-20 lists local splitscreen as one of the parts of multiplayer.
• Crossplay: Same post says the team built crossplay so you can play with anyone who owns the game, and join them with an invite code. It names no platforms, so no crossplay pool is listed.

steamcommunity.comOfficial news, read 28 October 2026

Backs Platforms.

• Platforms: Developer post of 2026-03-09 says multiplayer launches on Steam and Xbox on 13 April.

steamcommunity.comOfficial news, read 28 October 2026

Backs Crossplay.

• Crossplay: Patch notes of 2026-05-21 treat crossplay as a live option on the host and remove the crossplay checkbox when Steam players join.

steamcommunity.comOfficial news, read 28 October 2026

Backs Friends can join mid-game.

• Friends can join mid-game: Patch notes of 2026-07-21 fix problems for a client that joins an active run. They also say a client that drops during landing can re-join while the others continue.

steamcommunity.comOfficial news, read 28 October 2026

Backs Friends can join mid-game.

• Friends can join mid-game: Patch notes of 2026-09-03 mention players joining an active run and clients re-joining a run.

domekeeper.comOfficial site, read 28 October 2026

Backs Platforms, Genres.

• Platforms: Lists Steam, GOG, and Xbox Series X|S with Game Pass as out now. iOS and Android are listed as coming soon, so they stay out.
• Genres: Describes a roguelike action mining game.

store.steampowered.comStore page, read 28 October 2026

Backs Free base co-op, Sessions, About, Exploring, Fighting.

• Free base co-op: Steam sells the base game for a price, so co-op needs a purchase. Game Pass access on Xbox is a subscription and does not count.
• Sessions: User tags include Roguelike and Replay Value.
• About: Store text has you dig for resources and relics between waves of alien monsters. Tags include Space and Sci-fi.
• Exploring: Store text describes a new procedurally generated map each run, with caves to discover. Tags include Exploration.
• Fighting: Store text has you defend the dome against waves. Tags include Combat.

store.steampowered.comStore data, read 28 October 2026

Backs Steam app ID, Online co-op, Local co-op, Crossplay, Platforms, Release status, Release date.

• Online co-op: Categories include Online Co-op.
• Local co-op: Categories include Shared/Split Screen Co-op.
• Crossplay: Categories include Cross-Platform Multiplayer.
• Platforms: Lists Windows, Mac and Linux builds.
• Release status: Steam lists the game as released.
• Release date: Steam shows Sep 27, 2022, the launch of the single-player game. Multiplayer was added in April 2026.

store.steampowered.comStore data, read 28 October 2026

Backs Steam Deck.

• Steam Deck: Valve rates the game Verified on Steam Deck.

xbox.comStore page, read 28 October 2026

Backs Platforms, Free base co-op, Crossplay, Most players on one screen.

• Platforms: Lists Xbox Series X|S and PC. Windows is already covered by Steam, so only Xbox Series is added.
• Free base co-op: Xbox sells the game for a price. Included access with Game Pass is a subscription and does not count.
• Crossplay: Capabilities include Xbox cross-platform co-op.
• Most players on one screen: Capabilities list local co-op for 2 to 8 players. The publisher's own post gives 4, which is the figure used.

wikidata.orgWikidata, read 28 October 2026

Backs Wikidata item, Release date.

• Wikidata item: The item is Dome Keeper and carries Steam app id 1637320.
• Release date: P577 is 2022-09-27.

gamingonlinux.comPress, read 28 October 2026

Backs Crossplay, Most players online.

• Crossplay: Article of 2026-04-13 says you can mix local and online play together along with cross-play.
• Most players online: Says online play is for up to 8 people, in a free update.

pcgamer.comPress, read 28 October 2026

Backs Sessions, About, Tension and danger, Calm and coziness, Building and creating, Time to hang out, Unlocks and progress, Planning ahead, Getting better.

• Sessions: Review of 2022-09-27 says a winning run takes 30 to 45 minutes on a small map, and each completion unlocks new loadouts and modifiers.
• About: Describes a spacecraft smashing down on an alien landscape and monsters that attack the dome.
• Tension and danger: Review verdict calls it a roguelike with tense fights. It is a single-player review from before multiplayer.
• Calm and coziness: Says the quiet digging moments last around a minute before the next assault.
• Building and creating: Lists gadgets you can pick up and use, such as a probe and a water still.
• Time to hang out: Quiet digging stretches last about a minute, so talk mostly stays on the job at hand.
• Unlocks and progress: Says each completion unlocks new backgrounds, loadout options or modifiers for later runs.
• Planning ahead: Says trade-offs and cost-benefit decisions stay present while you fight or mine.
• Getting better: Says the rope-sword weapon asks for more skill to time swipes and aim shots.

shacknews.comPress, read 28 October 2026

Backs About, Tension and danger, Exploring, Planning ahead, Getting better.

• About: Review of 2022-09-27 describes crashing onto a hostile planet to mine and fight off monsters.
• Tension and danger: Calls it good at keeping the tension consistent through a run.
• Exploring: Says the game has the right idea with several random areas underground.
• Planning ahead: Says play favors a few specific builds and that you choose upgrades to fit.
• Getting better: Says Hard and Brutal difficulty narrow the efficient upgrades further.