Requires the base game LEGO® Batman™: Legacy of the Dark Knight on Steam in order to use LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade.

Requires the base game LEGO® Batman™: Legacy of the Dark Knight on Steam in order to use LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade.
The Deluxe Edition Upgrade is for existing owners of LEGO® Batman™: Legacy of the Dark Knight. Upgrade your experience and suit up with new gear, vehicles, and more, with the Deluxe Edition Upgrade.
*Mayhem Collection is a separate post-launch DLC releasing September 18, 2026 and will be included in the LEGO Batman: Legacy of the Dark Knight Deluxe Edition Upgrade (full base game required)






How does it work? Will I receive LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade as a physical copy?
No, you will receive LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade product key (LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade CD Key), that you will receive by e-mail. Afterwards, you will need to use the Steam-platform to redeem your LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade product key (LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade CD Key), and you'll be ready to download, install and play LEGO® Batman™: Legacy of the Dark Knight Deluxe Edition Upgrade. You will receive a step-by-step guide on how to do this along with your purchase. It's easy as can be!
Become the Dark Knight and battle Gotham City’s most infamous DC Super-Villains in an open-world action-adventure from TT Games, the award-winning studio behind LEGO® Star Wars™: The Skywalker Saga.
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Playcoins is our very own points system, that we use to reward our most loyal customers. We love you, so we've decided to give something back!
Every time you make a purchase with us, you're rewarded with Playcoins.
Whenver you make a purchase, Numikoins with a monetary value of 2% of the paid amount will be added to your account.
Next time you make a purchase in the store, you can then use your Numikoins for a discount. It's like the old saying goes... money is good, but free money is twice as good.
Download and install Steam here by clicking the green button labeled "Install Steam". This will download a program to install Steam on your computer. Run this program and follow its instructions to install Steam.
Once Steam is installed and you start it up for the first time, you will be asked to create a Steam account or login to an existing Steam account. Please note that all product keys you redeem are tied to the account, and can not be used again, so it's important that you remember the login information for this account!
Once logged into Steam, select the tab "Games" in the top bar, between "Friends" and "Help". A menu will pop up, where you select "Activate a product on Steam". Follow the instructions that appear, and enter your product key when Steam asks for it. The product will now be added to your account and is ready to be downloaded.