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  1. All games
Cobalt Core cover art

Cobalt Core

Rocket Rat Games · Brace Yourself Games

Released
08 Nov 2023
Platforms
Apple
Last updated
14 Sep 2026, 02:36
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
WatchSet price alert
Roguelike DeckbuilderCard GameStrategyRoguelike
Latest players
42
Player history
Steam reviews
0
0 reviews
Steam followers
12,675
Follower history
United States store
$19.99
Regional prices
  • Overview
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  • Depots2
  • Configuration

Updates & announcements

Developer posts and news about this game.

Change historyBuilds & patches
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  1. Cobalt CoreCobalt Core cover art
    10 Feb 2026Developer post

    1.2.9

    Fixed a missing character in the Traditional Chinese translation

    Read update · Original post

  2. Cobalt CoreCobalt Core cover art
    18 Jan 2026Developer post

    1.2.8

    Fixed a bug that was unlocking some achievements at the wrong time

    Read update · Original post

  3. Cobalt CoreCobalt Core cover art
    12 Jan 2026Developer post

    1.2.7

    Fixed a bug that made Ricochet Paddle and Payback not interact correctly (Payback was turning the missile around visually, but those missiles were REALLY bloodthirsty and still fired at the player anyway).

    Read update · Original post

  4. Cobalt CoreCobalt Core cover art
    04 Jan 2026Developer post

    1.2.6

    Fixed a bug that prevented daily runs from ever seeing a few ? events. Fixed a really niche softlock that prevented you from leaving the "view card" screen in certain scenarios.

    Read update · Original post

  5. Cobalt CoreCobalt Core cover art
    24 Sep 2025Developer post

    small patch

    minor additional mod support that's it, it's small

    Read update · Original post

  6. Cobalt CoreCobalt Core cover art
    31 Aug 2025Developer post

    Linux update!

    Hello! After running a native linux branch for a few days we've decided to go back to using proton on the main game build for now. Future work on a linux native build will continue in a proper experimental branch. If you're interested in that, please hop into the discord channel!

    Read update · Original post

  7. Cobalt CoreCobalt Core cover art
    29 Aug 2025GamingOnLinux

    Popular sci-fi roguelike deckbuilder Cobalt Core added Linux support

    Rated Overwhelmingly Positive from users on Steam, the sci-fi roguelike deckbuilder Cobalt Core just added official Linux support. Read the full article here:

    Read update · Original post

  8. Cobalt CoreCobalt Core cover art
    27 Aug 2025Developer post

    1.2.5 hotfix

    made the Daily achievement progress trigger when your Daily run ENDS, instead of when it starts fixed a bug that was making the Daily achievement progress pop up on launch, instead of just when you make progress fixed a few miscellaneous bugs earlier this week too but I'm not gon

    Read update · Original post

  9. Cobalt CoreCobalt Core cover art
    29 Jul 2025Developer post

    1.2.5

    Content daily artifacts you’ve seen are now listed at the bottom of the codex added Polish and Ukrainian glyphs to our font to support fan translations A whole bunch of bugfixes, listed below quietly added a Mac version (let us know in the discord if you try it!) Bugfixes you can

    Read update · Original post

  10. 14 Nov 2024Developer post

    Vinyl soundtrack campaign!

    We're doing a vinyl soundtrack campaign!!! Also, we're 25% off right now for the Turn Based Carnival steam event!

    Read update · Original post

  11. Cobalt CoreCobalt Core cover art
    14 Oct 2024Developer post

    1.2.4

    Nerfed Rail Cannon slightly. It no longer shoots a heavy missile on turn 1, and its Phase 1 attacks are now 2 damage, instead of 1x2 multihits Fixed a bug in which you could get the same Zone 2 elite fight twice in certain rare situations

    Read update · Original post

  12. Cobalt CoreCobalt Core cover art
    30 Sep 2024Developer post

    1.2.3

    Re-added the Just One Character daily modifier to the daily pool A few small bug fixes (including the bugs associated with the Just One Character artifact that made us remove it to begin with!)

    Read update · Original post

  13. Cobalt CoreCobalt Core cover art
    28 Aug 2024Developer post

    Patch notes- 1.2.1

    Temporarily removed the "just one character" daily modifier, as a few bugs have been found with it that'll take a little bit to fix. We'll have it back in the rotation in a week or two. This does mean that today's daily seed has been rerolled and today's daily leaderboards have b

    Read update · Original post

  14. 28 Aug 2024Developer post

    Patch notes: 1.2.0

    CONTENT: Added a daily mode! Everyone playing that day’s daily share a crew, a ship, and a run seed. They also share 1-3 weird modifiers that make daily runs feel pretty different from normal runs! Dailies are scored! Compete with your friends on the Steam leaderboards! Daily run

    Read update · Original post

  15. Cobalt CoreCobalt Core cover art
    17 Jul 2024Developer post

    Patch notes: 1.1.2

    PLAYER SHIP CHANGES Ares starts with 1 less hull and 1 less max shield (now 8/4) Tiderunner starts with 1 less hull (now 7/3) Jupiter starts with 2 more hull and 1 more max shield (now 12/4) ENEMY CHANGES Wizbo / The Tower can no longer be in a Solar Flare environment if you ente

    Read update · Original post

  16. Cobalt CoreCobalt Core cover art
    28 Jun 2024Developer post

    Patch notes: 1.1.1

    (Lumping the last two hotfixes into this update!) BALANCE CHANGES Solar Sail: one missile intent has been swapped from heavy missiles to normal missiles Rail Cannon: All phases now have 10hp instead of 11 Rail Cannon: All multi-hit attacks now cap at 1x2 instead of 1x3 Minesweepe

    Read update · Original post

  17. 17 Jun 2024Developer post

    Version 1.1- more enemies!

    CONTENT Six new enemies: 3 new normal enemies, one per zone! One new elite for zone 2 A new alternate Zone 1 boss A new alternate Zone 2 boss Duncan the skunk, pilot of the Mining Drill, has been upgraded from NORMAL to ELITE enemy. That’s because he kills players more often than

    Read update · Original post

  18. Cobalt CoreCobalt Core cover art
    15 May 2024Developer post

    Patch notes: 1.0.7

    1.0.7 changes Gameplay The card Escape Artist has been reworked and buffed a bit; it no longer discards any cards from your hand Art Tooth now has a talking animation Misc Fixed a longstanding bug that made the Soggins event incorrectly count as 5 unique events in the event progr

    Read update · Original post

  19. Cobalt CoreCobalt Core cover art
    26 Feb 2024Rock, Paper, Shotgun

    Join us for February's Game Club liveblog on Cobalt Core this Thursday

    Hello folks. With the end of February fast approaching, here's a reminder that we'll be diving into our reader liveblog discussion for February's RPS Game Club pick, Cobalt Core , this coming Thursday, February 29th, at 4pm GMT (which is 8am PT / 11am ET for our American friends)

    Read update · Original post

  20. Cobalt CoreCobalt Core cover art
    15 Feb 2024Rock, Paper, Shotgun

    This Cobalt Core mod adds hapless frog Soggins to your crew for extra chaos

    If you've been enjoying the excellent Cobalt Core as part of this month's RPS Game Club , you may well have stumbled into Soggins the frog along your travels. Running into this hapless buffoon is always a delight in Cobalt Core, as he's one of the few special characters who doesn

    Read update · Original post

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