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CODEX MORTIS

Also known as CODEX MORTIS, cm, codex mortis

Death is your weapon. Mix five schools of dark magic, unleash devastating spell synergies, and raise undead armies in this necromantic bullet hell. Infinite builds, solo or co-op – embrace the forbidden and dominate. 100% AI-driven development.

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Last update

25 Jun 2026

Original sources

Latest update

Patch notesPublished 2d ago

Codex Mortis is 20% OFF + New Beta

Hello Necromancers! To celebrate Summer Sale, Codex Mortis is 20% off right now! CODEX MORTIS COMING AT FULL RELEASE Full Release is fast approaching, so let’s see what you can expect in the full version of Codex Mortis…

17 changesMapsCompatibility

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Latest updates

Update history

Browse past updates and patch notes for this game.

23updates

June 2026
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 P…Announcement1 changeGameplay19d ago
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 u…1 changeGameplayPatch notes24d ago
May 2026
Apocrypha - The New Story Mode Level Is LiveHi 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 graveyar…Announcement4 changesGameplayBalance29d ago
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! CODEX MORTIS Before we dive in…9 changesGameplayBalancePatch notes21 May 2026
April 2026
Community Update #15 - Spell Mutators, 1500 Mutations & Level-Up SystemHi 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 e…Announcement#155 changesGameplayBalance29 Apr 2026
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…#145 changesFixGameplayPatch notes23 Apr 2026
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…#1310 changesGameplayBalancePatch notes22 Apr 2026
Community Update #12 - Blight Carrier, Scroll Rewards & FixesHi 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 an…Event#128 changesFixBalance21 Apr 2026
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 accumulat…22 changesFixGameplayPatch notes19 Apr 2026
New Difficulty: Mortis + CDR Bug FixNEW 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 brea…Event11 changesFixBalance18 Apr 2026
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…#1110 changesGameplayBalancePatch notes17 Apr 2026

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