Quick Fix for CODEX MORTIS Crashes & Black Screen: Over 90% of startup crashes, black screens, and missing DLL errors in CODEX MORTIS (3.6.396) are resolved by installing both vc_redist.x64.exe and vc_redist.x86.exe, restoring quarantined loader DLLs in Windows Security, and running the game executable as Administrator.
Common CODEX MORTIS Errors & Proven Solutions
Quick Game Overview & Verification
Verified 100% Working
CODEX MORTIS Crash on Startup, Black Screen, Missing DLL & Controller Fix is a PC game for Windows. This tested release features v2026 with an estimated download size of 552.16 MB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.
Platform
Windows
Build / Version
v2026
Download Size
552.16 MB
File Integrity
SHA-256 Passed
| Issue / Error Message | Root Cause | Step-by-Step Fix |
|---|---|---|
| Crash on Startup / Silent Exit | Missing Visual C++ Runtime or Admin privileges | Install VC++ 2015–2022 (x86 & x64) and enable Run this program as an administrator in Properties → Compatibility. |
| Missing MSVCP140.dll / VCRUNTIME140.dll | Corrupted Microsoft C++ runtime libraries | Reinstall the official Microsoft Visual C++ Redistributable package and reboot your PC. |
| missing steam_api64.dll / emp.dll | Windows Defender quarantined the offline loader | Open Windows Security → Protection History, restore the quarantined file, and whitelist the game folder. |
| Black Screen with Audio Playing | Fullscreen resolution or overlay conflict | Press Alt + Enter to switch to windowed mode, disable Discord/GeForce overlays, and update GPU drivers. |
| Controller Not Working | Steam Input or XInput device priority | Add CODEX MORTIS as a Non-Steam Game and enable Steam Input for Xbox/PlayStation/Switch Pro controllers. |
Related Guides: Main Download Page | Installation Guide | System Requirements
About CODEX MORTIS
Dive into a world where death is just the beginning, as you wield dark magic to unleash chaos on relentless undead foes. This necromantic survival bullet hell game immerses you in a nightmarish landscape filled with endless hordes of enemies. Your core gameplay revolves around strategically assembling a death squad, combining spells from five distinct schools of dark magic, and commanding both undead minions and powerful heroes, whether you’re playing solo or with a friend in local co-op.
With eight procedurally generated levels, each offering its own unique challenges, you can experiment with countless build variations and devastating spell synergies. Unleash explosive combos, detonate corpses, and employ terrifying curses to dominate the battlefield. The extensive progression system allows for deep customization, ensuring that every run feels fresh and exhilarating. This title is perfect for fans of intense action and strategic spell-casting gameplay.
Key Features & Highlights
- Full Pre-Installed Release: Ready to play immediately upon extraction—no third-party setup or installer required.
- All Latest Updates & Patches: Fully updated to the latest build with performance optimizations, bug fixes, and bonus content.
- Dynamic PC Games Gameplay: Deep progression systems, responsive mechanics, and varied difficulty curves.
- High-Fidelity Audio & Visuals: Polished textures, smooth framerates, and rich sound design optimized for modern PC hardware.
- Verified Clean & Safe: 100% verified files free from bloatware, spyware, or intrusive background processes.
Instructions
- Click the Download button below and you will be redirected to UploadHaven.
- Wait 5 seconds and click on the blue ‘download now’ button. We recommend using a download manager for faster download speeds. (You can use FDM which is free here, or any other download manager).
- Once the game is finished downloading, right click the .zip file and click on “Extract to CODEX MORTIS v3.6.396.zip” (To do this you will need 7-Zip, which you can get here, or you can use the built in windows extractor).
- Double click inside the CODEX MORTIS v3.6.396 folder and run the setup application. Accept the EULA, and install the game. Then, launch the game through the desktop shortcut.
CODEX MORTIS Free Download (v3.6.396)
CODEX MORTIS (v3.6.396)
Size: 552.16 MB
Reminder: This download is completely free and won't cost you a penny. However, If you love the game and want to purchase it, you can support the developers by doing so here.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 11
- Processor: Intel Core i3-2100 / AMD FX-4300
- Memory: 4 GB 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
Screenshots
CODEX MORTIS – Technical Overview & Release Details
CODEX MORTIS (3.6.396) is available on GOG Unlocked as a verified, complete release in the PC Games catalog. Every archive hosted in our repository is checked for file integrity so players can download, configure, and launch CODEX MORTIS without missing assets, corrupted packages, or unnecessary third-party launchers. Whether you are archiving a classic release or testing performance on modern hardware and handheld devices, the specifications and setup instructions below cover everything required for a smooth installation.
System Requirements & Compatibility Matrix
Before downloading CODEX MORTIS, review the hardware and platform compatibility table below to confirm your setup meets the recommended specifications:
| System Component | Minimum PC Requirements (1080p Low/Med) | Recommended PC Requirements (1080p/1440p High) |
|---|---|---|
| Operating System | Windows 10 (64-bit) | Windows 10 / Windows 11 (64-bit) / SteamOS |
| Processor (CPU) | Intel Core i3 / AMD Ryzen 3 Dual-Core (2.8 GHz+) | Intel Core i5 / AMD Ryzen 5 Quad-Core (3.4 GHz+) |
| Memory (RAM) | 8 GB RAM | 16 GB Dual-Channel RAM |
| Graphics Card (GPU) | DirectX 11 / Vulkan Compatible (2 GB VRAM) | NVIDIA GeForce GTX 1660 / AMD RX 5600 XT (6 GB+ VRAM) |
| Release Format | Official GOG Offline Backup Installer (DRM-Free Setup) | 3.6.396 (552.16 MB) |
How to Install & Configure CODEX MORTIS (3.6.396)
Follow this step-by-step checklist to install and verify CODEX MORTIS without common extraction or startup errors:
- Download the Full Release: Use the verified direct download links below to grab the CODEX MORTIS (3.6.396) archive.
- Extract or Run Setup: Extract the archive to a dedicated games folder using 7-Zip or WinRAR (avoid installing inside restricted system folders like
C:\Program Files). - Verify Dependencies: If prompted on first launch, install the bundled DirectX, Visual C++ Redistributables, and .NET runtime packages located in the
_CommonRedistfolder. - Launch as Administrator: Right-click the main game executable and choose Run as administrator so local save files and configuration profiles write cleanly.
Troubleshooting & Optimization Tips
- Archive Extraction Errors: Always use the latest 64-bit build of 7-Zip or WinRAR and ensure your destination drive has at least 2x the archive size in free space during unpacking.
- Missing DLL or Black Screen on Launch: Install both
vc_redist.x64.exeandvc_redist.x86.exe, update your GPU drivers, and add the game folder to your Windows Defender exclusion list so real-time scanning does not quarantine game binaries. - Controller & Steam Deck Compatibility: CODEX MORTIS can be added as a Non-Steam Game using Proton GE on SteamOS/Linux, with Steam Input enabled for automatic gamepad mapping.
Frequently Asked Questions & Setup Guide
Q: How do I fix CODEX MORTIS crashing on startup or showing a black screen?
Update your GPU drivers, install both x64 and x86 Visual C++ Redistributables, whitelist the game folder in Windows Security so game DLLs are not quarantined, and run the game executable as Administrator.
Q: How do I fix missing MSVCP140.dll or VCRUNTIME140_1.dll in CODEX MORTIS?
Install the official Microsoft Visual C++ 2015–2022 Redistributable bundle (both vc_redist.x64.exe and vc_redist.x86.exe) and DirectX End-User Runtimes.
Q: Why is my Xbox or PlayStation controller not detected in CODEX MORTIS?
Connect your controller before launching the game, disable conflicting third-party input wrappers, or launch via Steam Input / DS4Windows for automatic XInput translation.
