The keyword refers to a specific digital package for the 2019 remake of Resident Evil 2 . This version is notable for integrating several post-launch updates and downloadable content (DLC) into a "portable" format, meaning it is designed to run without a traditional installation process. Overview of the v20191218 Update
To ensure a secure experience and support the developers at , it is recommended to purchase the official version of the game. residentevil2updatev20191218incldlccodex portable
However, a more interesting in this build is the unlocked "98 Classic Costume + Original Ver. Soundtrack Swap" — meaning you can play the entire remake with the original 1998 PS1 soundtrack and retro character skins, which drastically changes the atmosphere for veteran players. "Resident Evil 2 Update v20191218 Incl DLC-CODEX Portable"
The only paid DLC was optional “Deluxe Edition” costumes (e.g., Claire’s Elza Walker suit, Leon’s Arklay Sheriff). Those can still be bought via Steam Store → Resident Evil 2 → DLC tab. feature However, a more interesting in this build
(v20191218) version, which is often distributed as a "portable" build from the 1. Core Version Details