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CODEX MORTIS cover art

CODEX MORTIS

GROLAF · CRUNCHFEST

Released
26 Mar 2026
Platforms
Linux
Last updated
19 Sep 2026, 06:01
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
WatchSet price alert
Bullet HellRogueliteActionAction Roguelike
Latest players
25
Player history
Steam reviews
0
0 reviews
Steam followers
—
Follower history
United States store
$2.79
Regional prices
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Updates & announcements

Developer posts and news about this game.

Change historyBuilds & patches
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  1. 16 Sep 2026Developer post

    Patch Notes: Widescreen and On-Screen Controls

    Hi everyone! More fixes and improvements ahead of the 1.0 release on September 24, 2026 at 10:00 AM PST. Desert textures update: Widescreen support: the game now fills ultrawide displays properly instead of stretching or cropping the view. On-screen controls Rendering optimizatio

    Read update · Original post

  2. CODEX MORTISCODEX MORTIS cover art
    15 Sep 2026Developer post

    Patch Notes: Fixes and Balance

    Hi everyone! This update collects fixes and balance changes for the last Early Access patch, the one that brought the deckbuilder and the isometric view. Most of it comes from your reports, so thank you for sending them in. Quick Reminder: CODEX MORTIS leaves Early Access on Sept

    Read update · Original post

  3. 10 Sep 2026Developer post

    New Update Is Live, and Codex Mortis Full Release Arrives 09.24.2026

    Hi Necromancers! This is the last Early Access update for Codex Mortis. It is live today, and the full 1.0 release follows on September 24, 2026 at 10:00 AM PST . We prepared a short teaser that shows both changes in motion. Watch it below, then read on for the detail. Build your

    Read update · Original post

  4. CODEX MORTISCODEX MORTIS cover art
    02 Sep 2026Developer post

    Full Release Is Close, Codex Mortis Is 20% Off!

    Hi Necromancers! Full release is getting close, so if you have been waiting to pick up Codex Mortis, we started a 20% off sale today. View game page What is coming in the full release: Every map is isometric now We are adding more heroes More skills, so there is more to combine a

    Read update · Original post

  5. CODEX MORTISCODEX MORTIS cover art
    10 Aug 2026Developer post

    Beta Tests of the Full Release

    Hi Necromancers! If you want to help us making final polishes before full release, we kindly invite you to join our Discord server and visit #join-beta-codex-mortis . It is not the stable branch, so expect bugs and balance moving around. Here is what you can test right now: Story

    Read update · Original post

  6. CODEX MORTISCODEX MORTIS cover art
    07 Aug 2026Developer post

    Road to Full Release

    Hi Necromancers! Right, time for a proper catch up. We have been quiet for a bit and there is a good reason for that, because we are getting the game ready for full release and a lot of things got torn apart and put back together in the meantime. Here is what has been going on in

    Read update · Original post

  7. CODEX MORTISCODEX MORTIS cover art
    25 Jun 2026Developer post

    Codex Mortis is 20% OFF + New Beta

    Hello Necromancers! To celebrate Summer Sale, Codex Mortis is 20% off right now! View game page COMING AT FULL RELEASE Full Release is fast approaching, so let’s see what you can expect in the full version of Codex Mortis: STORY MODE , revitalized - updating graphic of EVERY map

    Read update · Original post

  8. CODEX MORTISCODEX MORTIS cover art
    08 Jun 2026Developer post

    Codex Mortis Joins Bullet Hell Fest!

    Hi everyone, We’re happy to announce that Codex Mortis is taking part in Bullet Hell Fest! It's a great time to join the fun as we’ve just added to new story levels , and more are coming soon :) Apocrypha The Chapel Of Perpetual Bloom

    Read update · Original post

  9. CODEX MORTISCODEX MORTIS cover art
    03 Jun 2026Developer post

    New Level is Live - The Chapel Of Perpetual Bloom

    Hi everyone, A new level is now live ːsteamhappyː Enter the The Chapel Of Perpetual Bloom. Where death finds no rest, the garden devours stone. What to expect The Blooming meter - cull Rebirth Seeds to drive the meter up; every seed that blooms drags you back toward ruin. Casters

    Read update · Original post

  10. CODEX MORTISCODEX MORTIS cover art
    29 May 2026Developer post

    Apocrypha - The New Story Mode Level Is Live

    Hi guys! A new story mode begins: Apocrypha . The first chapter is out now in this update. The Overgrown Grave - a cemetery from the age when Life returned to the world… and then began to rot. This is not a dead graveyard. It's a place where life has invaded death. Roots push cor

    Read update · Original post

  11. 21 May 2026Developer post

    The Mutations Update

    Hi everyone! This is the biggest content drop since launch. Two big systems, hundreds of new ways to break the game. Patch is live now, and to celebrate - Codex Mortis is 20% OFF on Steam! View game page Before we dive in - here's short trailer showcasing the update: Mutations ar

    Read update · Original post

  12. 29 Apr 2026Developer post

    Community Update #15 - Spell Mutators, 1500 Mutations & Level-Up System

    Hi Everyone, Quick look at what's brewing in the crypt: Spell Mutators — we're building a system that lets spells fundamentally change behavior mid-run. Not just bigger numbers — new patterns, new triggers, weird side effects. Same starter spells, completely different runs. 1500

    Read update · Original post

  13. CODEX MORTISCODEX MORTIS cover art
    23 Apr 2026Developer post

    Community Update #14 - New Spell & BETA TESTS!

    Hi everyone, Gargoyle Guardians marks the last new spell for a while. We want to shift focus to polishing the upgrade system, adding more meaningful variety between runes, and experimenting with spell mutators. This is the kind of work that benefits from player testing - so we'll

    Read update · Original post

  14. CODEX MORTISCODEX MORTIS cover art
    22 Apr 2026Developer post

    Community Update #13 - Rotbanner Herald&Minion Animations

    Hi everyone, New update! Let's dive in :) Minion Animations All minions in the game now have proper animations. New Spell: Rotbanner Herald (+ 6 Synergies) A tanky standard-bearer from the Summoning school whose rotten banner poisons the air around it. Plants a sickly green rot a

    Read update · Original post

  15. CODEX MORTISCODEX MORTIS cover art
    21 Apr 2026Developer post

    Community Update #12 - Blight Carrier, Scroll Rewards & Fixes

    Hi everyone, CODEX MORTIS is in Early Access. Your feedback shapes the game directly. If something is not working for you, please share it on the Steam forums or our Discord - it helps far more than a negative review and we read and respond to everything. New Spell: Blight Carrie

    Read update · Original post

  16. 19 Apr 2026Developer post

    Changelog: Bug Fixes, Malediction Seed & Vein Whip Shot

    Bug Fixes Level-up golden wave particles are visible again. A skipped system registration caused the entire particle system update to never run, which silently broke level-up VFX, allowed "zombie" particles to accumulate, and suppressed secondary burst effects. Fixed a memory lea

    Read update · Original post

  17. CODEX MORTISCODEX MORTIS cover art
    18 Apr 2026Developer post

    New Difficulty: Mortis + CDR Bug Fix

    NEW DIFFICULTY: MORTIS The ultimate challenge for Mortis Mastery veterans has arrived. Beyond Apocalypse lies a tier that scales infinitely with your power. What is Mortis? A brand-new difficulty tier (Tier 8) that breaks the traditional scaling rules. Instead of fixed multiplier

    Read update · Original post

  18. CODEX MORTISCODEX MORTIS cover art
    17 Apr 2026Developer post

    Community Update #11 - Grave Tumor & Gnashing Orbit

    Hi everyone, Two new spells for y'all :) New Spell: Grave Tumor (+ 7 Synergies) Lob a massive necrotic mass that crushes all enemies in its path as it slowly rolls toward a random foe. Pierces unlimited enemies with its heavy, slow-moving body. Grave Tumor Armor (+ Bone Armor) -

    Read update · Original post

  19. CODEX MORTISCODEX MORTIS cover art
    16 Apr 2026Developer post

    Community Update #10 - Blood Magic Spells & Leaderboards

    Hi everyone, We're back with another update :) Two new spells and global Mortis Mastery Level ranking! New Spell: Blood Lance (+ 7 Synergies) A crimson lance hurled at the nearest enemy. Instead of firing volleys like Bone Spear, it pierces straight through targets - the more you

    Read update · Original post

  20. 15 Apr 2026Developer post

    Community Update #9 - Mortis Mastery: Endgame Meta-Progression

    Hi everyone, Endgame meta-progression is here. As always, your feedback shapes the game directly. If something is not working for you, please share it on the Steam forums or our Discord - it helps far more than a negative review and we read and respond to everything. We also woul

    Read update · Original post

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