The D3D11 renderer hooks into the game’s executable. If you use the CODEX crack (which alters the .exe), you may encounter "CRC Mismatch" errors or crashes. The GOG executable is clean and verified, making it the only logical choice for modding.
Which of these would you prefer?
If you're a fan of classic RPGs or looking to experience a cult classic, Gothic 2 Gold Edition is definitely worth checking out. The GOG version offers a more supported experience, with community-driven support and no DRM protection. The CODEX version, on the other hand, provides a more independent package, free from any online activation or account requirements. Gothic 2 Gold Edition -GOG- CODEX
The CODEX version of Gothic 2 Gold Edition features: The D3D11 renderer hooks into the game’s executable