Once the restriction is lifted, Legend Reborn transforms into a highly strategic sandbox. You can now build meta-defining decks without limitations:

| Category | Cards | | :--- | :--- | | | 1x Exodia the Forbidden One, 1x Right Arm, 1x Left Arm, 1x Right Leg, 1x Left Leg. Fill the rest with defensive monsters like Sangan , Witch of the Black Forest , and Morphing Jar . | | Spells | 3x Upstart Goblin, 3x Pot of Greed (if allowed), 1x Graceful Charity, 3x Dark World Dealings, 1x Monster Reborn, 3x Swords of Revealing Light. | | Traps | 3x Jar of Greed, 3x Reckless Greed, 3x Threatening Roar, 3x Waboku. |

Most versions of this mod come with a utility or a specific registry file designed to instantly grant three copies of every card. Locate the Utility : Check your game installation folder for a file named All Cards.reg or a folder labeled Run the Registry File : Double-click the

Replace this file with a "Full Card" system.dat downloaded from community forums like Reddit .

Unlocking all cards in the fan-made Yu-Gi-Oh! Power of Chaos: The Legend Reborn mod by RistaR87 requires running the provided All Cards.reg file within the installation directory to update the Windows Registry. Users may also need to replace the system.dat file and ensure the game is run as an administrator to save progress. For more details, visit Reddit r/yugioh . Yu-Gi-Oh! THE LEGEND REBORN (Mod for PC) by RistaR87

, you typically need to use an "All Cards Unlocker" or manually edit your system's registry to point to a completed system.dat Method 1: Use the Built-in Unlocker If you downloaded the official version of the mod by , it usually comes with a dedicated tool: Locate the Folder : Open your main game directory and look for a folder named "All Cards - UNLOCKER" Follow the Instructions : Inside, you will find a file named "All Cards INFO!!!!!!!.txt"

Tools like the All Card Unlocker (updated for 2025) are designed for all Power of Chaos versions and mods. Registry Edit (Advanced):

Launch the game and head to the Deck Construction menu to verify the full library. Troubleshooting Common Unlock Issues

For most players enjoying this classic mod on modern PCs, is the recommended route, as it allows you to immediately experiment with the powerful custom cards and modern mechanics that make Legend Reborn unique without spending dozens of hours grinding against the AI.

, and checking "Run this program as an administrator" under the Compatibility Troubleshooting Common Issues

: Right-click the game executable and select "Run as Administrator" to allow the game to write to its save files.

Ensure the CommonDir path matches the exact location of your system.dat file. Method 2: The "100% System.dat" Replacement

If you open the game and still see a blank collection, try these proven troubleshooting fixes: The Cards Are Still Locked

The most effective way to unlock all cards is by modifying the game's system registry or using a pre-configured common folder. Unlike official titles, these fan mods store card progress in specific Windows Registry keys. Method 1: The All-Card Save File (Common Folder)

If certain card slots show up blank or trigger a crash, your save file or registry script might be mismatched with the specific version of Legend Reborn you are running. Ensure your unlocker file matches the exact version number of your game client, as newer updates introduce unique card IDs that older registry scripts cannot identify. Maximizing Your Unlocked Deck Construction

If you prefer to earn your collection, you must win matches against the AI.

You should now have access to every single card in the game, including rare and hard-to-find ones. You can build your dream deck and take on any opponent with confidence.

You can also use cheat codes or third-party "trainer" software to instantly unlock all cards.

A trainer is a small program that modifies the game's memory to give you advantages. The most common trainer for The Legend Reborn offers: