If you are a legitimate Steam user, the game auto-updates to the latest version (including recent ray-tracing overhauls). However, the v20191218 release remains popular for three specific reasons:
The December 2019 update was significant because it introduced support for several major pieces of downloadable content (DLC) that expanded the game's content.
1. The Ghost Survivors DLC This was the major free update included in this version. It is a series of "what if" scenarios featuring supporting characters who died in the main campaign.
These modes feature rogue-lite elements, such as randomized item spawns and enemy placements, offering a different gameplay loop compared to the main story.
2. DLC Inclusion The "incl dlc" portion of the release title confirms that the following were integrated and unlocked:
3. Stability and Bug Fixes As an official Capcom patch, it also resolved various PC-specific stability issues, fixed crashes related to specific Nvidia driver versions, and optimized performance for non-gaming background applications (FidelityFX CAS support was tuned in patches around this era).
| Version | Denuvo | DLC Available | Stability | Mod Compatibility | |---------|--------|----------------|-----------|-------------------| | Retail 1.0 (Jan 2019) | Yes (v4.8) | Deluxe only | Buggy, occasional crashes | Moderate | | v20191218 (CODEX) | Bypassed | All Deluxe + Ghost Survivors | Very stable | Excellent | | Steam v20230421 (final) | Removed | All DLC | Stable | Best, but some mods require older .exe |
Why choose v20191218 over the latest Steam version?
File 1: Log Entry – Dr. Anya Sharma, Umbrella Digital Archives (Underground Lab, Arklay Mountains)
Date: December 17, 2019
They told us the Raccoon City incident was contained. Erased. A cover story about a nuclear meltdown. But data is immortal.
My team’s task: forensically reconstruct every scrap of digital detritus from the Raccoon City Police Department’s internal servers. Why? Because on September 29, 1998, a rookie cop named Leon S. Kennedy and a college student named Claire Redfield accessed something they shouldn’t have. Not just Chief Irons’ corruption files. Something deeper. A ghost in the machine. resident evil 2 update v20191218 incl dlccodex
We found it buried in a corrupted sector labeled v20191218. A date that hadn’t happened yet. The file wasn't a document. It was a patch – as if someone had tried to update reality itself.
The Codex.
That’s what the hackers on the dark net call it. Not a DLC. A Direct Latent Cryptosignature. Word is, it allows the user to overwrite local biological constants. Pain thresholds. Viral resistance. Even the mutation pathways of t-Virus carriers.
Umbrella liquidated the original carriers of this Codex in ‘98. Or so they thought. The file date suggests someone—or something—is trying to send it back.
File 2: Transcript of a Voicemail – Jake Morrison, Modder, to unknown recipient
Date: December 18, 2019 (evening)
“Hey, it’s Jake. Yeah, I ran the update v20191218 from the CODECX forum. Look, I know we said no more cracked builds after that Nemesis AI leak, but this one… it was different. It came with a README. All it said was: ‘They are still hungry. This restores their proper appetite.’
I installed it over my copy of RE2. The 2019 remake, yeah. At first, nothing. Then the title screen glitched. The RPD lobby… the shadows moved. I thought it was a lighting mod.
I started a new game as Leon. First zombie in the gas station. Normal, right? Except it didn't just grab. It whispered. A wet, throaty sound. It said: ‘Remember the East Office.’
Jake, I never played the original 1998 version. But after the patch, I remembered it. I walked into the RPD’s East Office, and the padlock code wasn’t on the whiteboard anymore. It was written in dried blood on the filing cabinet – just like in the original source code from twenty-one years ago. Except I’m playing the 2019 remake. That asset doesn’t exist.
Then Mr. X spawned.
But he didn't stomp around in that scripted loop. He waited. He stood in the main hall, perfectly still, head tilted. And when I passed the dark room, he didn't punch. He opened his mouth. A sound came out – not a roar. A police radio frequency.
‘Dispatch to all units. Be advised. The deputy’s daughter is missing. Last seen in the orphanage. Repeat. Sherry Birkin is not to be found.’
That’s future data. Sherry’s story from RE6. He was reading me files from games that haven’t been remade yet.
I unplugged my PC. The screen stayed on. The game kept running. The clock in the RPD lobby didn’t show 9:45 PM. It showed v20191218.
Then Claire’s side of the story booted up on its own. No disc. No save file. And she wasn't in her leather jacket. She was in her original 1998 denim vest. Low-poly. Blocky shoulders. But her eyes were high-definition, weeping tears of pure polygon-glitch.
She looked at the fourth wall – at me – and said: ‘Leon. Don’t trust the 1.04 patch. That’s where they put the licker’s new spawn points. Stick with 20191218. It’s the only version where I save Sherry on time.’
I’m sending you the hash key. Burn it. Or better yet – find a PS1, a copy of the original RE2, and never connect it to the internet.
Because the update isn't adding content. It's unlocking memories. And some memories of Raccoon City were deleted for a reason.
The Codex isn't a hack. It's a warning from a timeline where Umbrella won.”
Epilogue – System Notification
Resident Evil 2 - Update v20191218 incl CODEX
Status: Installed
New features:
- Restored original 1998 enemy aggression values.
- Re-added “Extreme Battle Mode” cut content (unlocks after 4th survivor).
- Fixed an issue where Mr. X would not remember you from previous playthroughs.
- Unknown function: [REDACTED] – see /east_office/memo.doc
No one at Capcom has commented on the source code anomaly. But speedrunners note that after December 18, 2019, the RNG seeds for certain item placements began matching the Betamax build of the unreleased RE 1.5. If you are a legitimate Steam user, the
The zombies remember the old Raccoon. And they are patient.
Resident Evil 2 Update v20191218 incl DLC-CODEX is a comprehensive patch release that includes the base game updated to version 1.04/1.05 and unlocks several downloadable content (DLC) items. This specific update is notable because it was released shortly after Capcom removed DRM from the game. Included DLC Content
This update typically includes the following items previously released for the Deluxe Edition and as standalone packs:
: "Arklay Sheriff", "Noir", and " '98 " (classic low-poly look). : "Military", "Noir", "Elza Walker", and " '98 ". : Deluxe weapons like the Samurai Edge (Albert Model, Jill Model, and Chris Model). Soundtrack Swap
: Option to use the "Original Ver." soundtrack from the 1998 game. All In-game Rewards Unlock
: Immediately grants access to rewards normally earned through gameplay, such as the Infinite Bonus Weapons , "The 4th Survivor" mode, and "The Tofu Survivor" mode. Update Fixes and Changes According to official title update notes and community feedback, this version focuses on:
: Addressed issues where the "TAA" anti-aliasing and "Image Quality" graphics options were not functioning correctly. Performance : Improved stability following the removal of Denuvo. Common Technical Solutions
If the game appears too dark, users recommend disabling DX12 in favor of or locking the frame rate to 60 FPS.
Ensure the latest video card drivers are installed for stability.
Resident Evil 2 is a survival horror game developed and published by Capcom. The game was initially released in 1998 for the PlayStation and has since been re-released on multiple platforms, including a 2019 remake for PlayStation 4, Xbox One, and PC.
The "incl DLC" tag is critical. This update includes: The December 2019 update was significant because it