- Games
- ATMOSFAR
ATMOSFAR
Fly between alien islands with up to four players and build a shared airbase that travels with you.
Online co-op for up to 4 players.
- 4 online
Store pages
Playing together
- Online co-op4 players
- Local co-opNoOnline only
- Not confirmedFriends on different platforms, such as PC and PlayStation, can play together.
- Not confirmedA friend can join or leave while you are already playing, without starting over.
- Not confirmedFriends play free with a Friend's Pass or similar.
- Steam DeckNot testedValve has not rated it yet
About the game
You explore Tycos, an alien planet where islands hang above the clouds and a human colony has fallen silent. You land to recover scrap, turn it into useful parts, and keep your aircraft supplied with fuel. Small Wasp craft carry you between islands, while the larger Cloud Cruiser holds your workshop, supplies and growing home.
Up to four players share the expedition online. You can fly separate craft, ride with a friend, and work together on the Cruiser. Choosing equipment and keeping your machines repaired matters when the weather turns or creatures threaten your landing spot. This upcoming survival game puts travel, gathering and construction around a base you can take into new territory.
How it feels
Kind of game
One lasting world your group settles. You gather, build and push into dangerous places together.
- At its heart
- Now and then
- Calm and coziness
- Story
- Fighting
- Getting better
- Sessions
- Ongoing world
Rated on our own feel scale. 4 sources back these ratings.
Screenshots
From the Steam store page. Open one to see it full size.
If you liked ATMOSFAR
You will probably enjoy these too. Each one says why.
Empyrion - Galactic Survival
Why it scores 83%
What they share
- Kind of game
- Shared survival world
- About
- Science fiction, Alien planets and Building vehicles
- Core to both
- Exploring, Building and creating
- Sessions
- Ongoing world
- Notable in both
- Tension and danger, Planning ahead, Unlocks and progress
- Co-op
- Online co-op
How Empyrion - Galactic Survival differs
- More time to just hang out than ATMOSFAR
- Online
Both give your group a hard world to survive in together. Both are about science fiction and strange alien worlds. Both are about exploring places you have not seen.
But more time to just hang out than ATMOSFAR.
Rooted
Why it scores 83%
What they share
- Kind of game
- Shared survival world
- About
- Science fiction and Scavenging
- Core to both
- Exploring, Building and creating
- Sessions
- Ongoing world
- Notable in both
- Tension and danger, Planning ahead, Unlocks and progress
- Co-op
- Online co-op
How Rooted differs
- Scarier than ATMOSFAR
- Coming 2027
- 6 online
Both give your group a hard world to survive in together. Both are about science fiction and scavenging for loot. Both let you build things together.
But scarier than ATMOSFAR.
Cosmoteer: Starship Architect & Commander
Why it scores 82%
What they share
- Kind of game
- Shared survival world
- About
- Science fiction and Building vehicles
- Core to both
- Building and creating
- Sessions
- Ongoing world
- Notable in both
- Working in sync, Exploring, Tension and danger, Planning ahead, Unlocks and progress
- Co-op
- Online co-op
How Cosmoteer: Starship Architect & Commander differs
- Fits a bigger group than ATMOSFAR
- Early access
- 8 online
Both give your group a hard world to survive in together. Both are about science fiction and building vehicles. Both give you one lasting world to come back to.
But fits a bigger group than ATMOSFAR.
All co-op facts
Last checked 24 October 2026. The small numbers link to the page that states each fact.
Co-op
- Fewest players online
- Not confirmed
- Most players on one screen
- Does not apply
- Split or shared screen
- Does not apply
- Separate-device co-op
- Not confirmed
- Most players on separate devices
- Not confirmed
- Free base co-op
- Not confirmed
- Confirmed free setups
- Not confirmed
- Crossplay
- Not confirmed
- Crossplay between
- Not confirmed
- Friends can join mid-game
- Not confirmed
- Only one of you needs to buy it
- Not confirmed
- Voice chat by distance
- Not confirmed
Sources
8 pages
atmosfar.gameOfficial site, read 24 October 2026
Backs Online co-op, Most players online, Kind of game, About, Building and creating, Unlocks and progress, Planning ahead, Story.
- Online co-op: The FAQ announces online co-op.
- Most players online: The FAQ gives four people in total.
- Kind of game: Friends gather, upgrade aircraft and build their collective mobile home. Separate aircraft and ground trips support a shared survival world.
- About: The alien colony, salvaged parts and configurable flying craft support these four themes.
- Building and creating: The airbase gains sections, modules and furnishings.
- Unlocks and progress: Tools and aircraft gain upgrades that expand travel options.
- Planning ahead: Aircraft types, fuel and expedition equipment require advance choices.
- Story: The colony collapse supplies a mystery behind the expeditions.
shueisha-games.comOfficial site, read 24 October 2026
Backs Online co-op, Most players online, Local co-op, Genres.
- Online co-op: The publisher lists planned online play for one to four.
- Most players online: The publisher independently lists an online maximum of four.
- Local co-op: The publisher specifies one offline player.
- Genres: The publisher calls it an exploration adventure.
atmosfar.gameOfficial news, read 24 October 2026
Backs Release date.
- Release date: Apog Labs announced October 29, 2026 for Early Access on October 7. The full release has no date here.
store.steampowered.comStore page, read 24 October 2026
Backs Release status, Steam app ID, Sessions, Tension and danger, Fighting, Getting better, Working in sync.
- Release status: The page says the game is not yet available and is coming to Early Access.
- Steam app ID: The product is ATMOSFAR, app 1798230.
- Sessions: The announced Early Access design grows a shared airbase across regions and aims to preserve saves. Its story ending is planned for later.
- Tension and danger: Storms, hostile wildlife and drones threaten travel and expeditions.
- Fighting: The description includes defending against creatures and drones.
- Getting better: Weather and different aircraft require learning to pilot.
- Working in sync: Friends can ride together and build and operate their shared Cruiser.
store.steampowered.comStore data, read 23 October 2026
Backs Steam Deck.
- Steam Deck: Valve has not rated the game for Steam Deck.
guided.newsPress, read 24 October 2026
Backs Exploring, Calm and coziness.
- Exploring: Guided, September 6, 2026, tested a solo Gamescom build with widely separated islands at different heights. Flight drives discovery.
- Calm and coziness: Guided, September 6, 2026, found the starter craft pleasant to fly and described long travel between islands. Co-op was not tested.
game2gether.dePress, read 24 October 2026
Backs Exploring.
- Exploring: game2gether, May 26, 2026, describes wanting to investigate islands beyond the clouds after playing the solo demo.
gamespress.comOfficial news, read 23 October 2026
Backs Genres.
- Genres: The publisher release of October 7, 2026 calls ATMOSFAR a survival adventure.