Therefore, players on the CODEX v20191218 release were playing the "pure" version of the game—the survival horror experience exactly as it was on the physical disc, without the arcade-style additional modes that arrived later. This version did, however, include the free DLC, allowing players to toggle the classic polygon models for Leon and Claire, adding a layer of nostalgia to the hyper-realistic graphics.

Players who utilized the v20191218 build reported that it was exceptionally stable for a pre-release leak. However, there were minor differences between this build and the version that exists today (following years of patches):