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CODEX MORTIS Demo
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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Features
Languages:
Interface Full Audio Subtitles
English ✔ ✔
French ✔ ✔
Italian ✔ ✔
German ✔ ✔
Spanish - Spain ✔ ✔
Bulgarian ✔ ✔
Simplified Chinese ✔ ✔
Czech ✔ ✔
Danish ✔ ✔
Finnish ✔ ✔
Greek ✔ ✔
Spanish - Latin America ✔ ✔
Dutch ✔ ✔
Indonesian ✔ ✔
Japanese ✔ ✔
Korean ✔ ✔
Norwegian ✔ ✔
Polish ✔ ✔
Portuguese - Portugal ✔ ✔
Portuguese - Brazil ✔ ✔
Russian ✔ ✔
Romanian ✔ ✔
Swedish ✔ ✔
Thai ✔ ✔
Turkish ✔ ✔
Ukrainian ✔ ✔
Vietnamese ✔ ✔
Hungarian ✔ ✔
See all 28 supported languages
Includes 56 Steam Achievements
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all 56
Free Demo

Play CODEX MORTIS Demo

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About This Demo

Codex Mortis is a necromantic survival bullet hell where you wield the forbidden powers of death against an endless tide of the undead. Command armies, forge devastating spell combinations, and fight alongside powerful heroes—solo or in local co-op—in your quest for ultimate power.

Plan before you slaughter. Assemble your death squad and equip them for annihilation—before the mission begins. Craft your necromancer from dozens of unique skills across five schools of dark magic, theory-craft lethal synergies, and design builds that will paint the battlefield with chaos.

Once the mission starts, watch your masterpiece unfold: detonate corpses, command undead armies, sacrifice blood for apocalyptic explosions. The more you combine, the more beautiful the DESTRUCTION.

  • Collect 5 ancient pages and defeat the portal guardian before the immortal Lothar hunts you down.

  • Preform powerful rituals to strengthen your necromancer, battle guardians protecting cursed artifacts, and claim urns containing the souls of fallen heroes.

  • Mix spells across five schools of dark magic—Necromancy, Summoning, Blood Magic, Soul Magic, and Curses—to create explosive combinations.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

All code is AI vibe codes, also arts, sounds, music, texts

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11
    • Processor: Intel Core i3-2100 / AMD FX-4300
    • Memory: 4 MB RAM
    • Graphics: NVIDIA GeForce GTX 650 / AMD Radeon HD 7750 / Intel HD Graphics 4000 / 1 GB VRAM
    • Storage: 140 MB available space
    • Sound Card: Any
    Recommended:
    • Requires a 64-bit processor and operating system
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