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Popular sci-fi roguelike deckbuilder Cobalt Core added Linux support

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Last updated: 29 Aug 2025 at 10:20 am UTC

Rated Overwhelmingly Positive from users on Steam, the sci-fi roguelike deckbuilder Cobalt Core just added official Linux support. It is already rated Steam Deck Verified using Proton but now it has a Linux version.

Not just popular with users on Steam, multiple critic reviews really enjoyed it back when it originally released with PC Gamer noting it "might be the year's best deckbuilding game". It plays quite differently to the vast number of other deckbuilders, with its inventive single-axis spin on tactics games. You control a ship, where you need to position yourself along a horizontal axis to manually dodge missiles, line up your cannons and fire.

Check out the original trailer below:

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Game Highlights (from Steam):

Give orders to your crew by playing cards: Will you raise shields to protect your ship, dodge incoming missiles and cannon fire to avoid damage outright, or strike preemptively to disable your enemy’s weapons? Outmaneuver your foes to stay just ahead of impending calamity, and reach the Cobalt Core!

  • Fresh new spin on tactics – dodge attacks and target weak points in this unique single-axis take on tactics combat. Outwit the enemy in a high stakes game of cat and mouse!
  • Customize your deck – hundreds of cards and split upgrade paths means no two runs will be the same. Find that perfect combo that brings your deck from powerful to overpowered.
  • Get to know your crew – each character comes with a completely unique playstyle and their own personal story. Bring 3 along, mix and match their decks, and see how these little goobers get along with each other.
  • Tons of replayability – hundreds of different character+ship combinations before you even hit “start run”. Crank up the difficulty and really test your skills!
  • Daily Challenges – Keep runs fresh with all sorts of modifiers. Can you win with just 1 character, or with your ship scrambling itself every fight? Play at your own pace, or get competitive on the leaderboards!
  • Get in the groove – featuring 90+ minutes of catchy and electrifying original music by Minecraft composer Aaron Cherof!
  • Forward momentum – untangle a narrative and unlock more playstyles as you go. Is there any escape from this time loop?

The Linux version was announced on August 27th, and it's live on Steam. They haven't yet ticked all the boxes to actually show it on the Steam page but it's there.

Cobalt Core | Release Date: 8th November 2023

Official links:

Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly checked on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. You can also follow my personal adventures on Bluesky [External Link].
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ScottCarammell 4 hours ago
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Heard of this a while ago but held out on it...looks like that's gonna change pretty soon. Love to see it
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