LEGO Batman: Legacy of the Dark Knight’s Mayhem Collection DLC launched September 18, 2026, adding The Joker and Harley Quinn as playable villains with their own gadgets and takedowns, a new Mayhem Mode where you race through Gotham as the bad guys, and the game’s first-ever Nintendo Switch 2 release.
What’s Actually in the Mayhem Collection
The headline addition is Mayhem Mode: a time-limited street race where you play as Joker and Harley Quinn instead of Batman, tearing through Gotham toward Amusement Mile while dodging the Bat and Robin instead of chasing them. You earn rewards for the chaos along the way — smashing landmarks, pulling off objectives, generally doing everything a LEGO Batman game normally punishes you for.
Beyond the mode itself, the DLC folds in a new story mission built around Joker and Harley staging a breakout from Arkham Asylum before taking the fight to the streets, a Sinister Pack of seven villain-themed outfits, the Arkham Trilogy Jokermobile as a drivable vehicle, five new Batcave decorations, and character skins pulled from Batman: The Animated Series and The Dark Knight Returns. A free update alongside it adds an “Absolute” difficulty tier above anything the base game shipped with.
Playing as Joker and Harley Quinn
Each villain gets a genuinely separate moveset rather than a Batman reskin — their own abilities, gadgets, and takedown animations, built specifically around Mayhem Mode’s run-and-cause-chaos structure instead of the base game’s investigate-and-fight loop. It’s a small but real distinction: most LEGO tie-in DLC drops a new skin onto the existing combat system, and TT Games instead built a mode where the villains’ kit is actually the point.
Why Switch 2 Owners Just Got Their First Shot at This Game
LEGO Batman: Legacy of the Dark Knight launched on PS5, Xbox Series X/S and PC on May 22, 2026, and skipped Nintendo’s console entirely at launch. LEGO’s own announcement page confirmed a Switch 2 version was coming “later in 2026” without a firm date; that date turned out to be September 18, the same day as the Mayhem Collection.
Switch 2 buyers aren’t getting a stripped-down port that arrives months behind — they’re getting the full base game and the new DLC on day one.
What the Game Actually Plays Like
The base game sold roughly 1.2 million copies across PS5, Xbox and Steam in its first week in May 2026, according to a widely cited estimate from games analyst Rhys Elliott of Alinea Analytics, with PS5 taking 53.3% of that total.
Critics were kinder to it than the sales chart: 84 on Metacritic for the PS5 version and 86 for Xbox Series X/S, both scores current as of the same May 2026 launch week. Game Informer’s Charles Harte called it “a rain-slicked success” and said TT Games “included everything I could have asked for in one wholly entertaining package” in his 8.75/10 review. TheSixthAxis went further, calling it one of the best LEGO games ever made.
| Edition | Price | What You Get |
|---|---|---|
| Standard Edition | $69.99 | Base game only. Mayhem Collection sold separately. |
| Deluxe Edition | $89.99 | Base game plus Legacy Collection and Mayhem Collection DLC included. |
| Deluxe Edition Upgrade | $24.99 | For Standard owners — adds the Legacy and Mayhem Collection DLC. |
How to Get the Mayhem Collection
If you already own the Deluxe Edition, the Mayhem Collection unlocked automatically on September 18 — there’s nothing extra to buy. Standard Edition owners need the $24.99 Deluxe Edition Upgrade, which also retroactively grants the earlier Legacy Collection DLC. There’s no way to buy the Mayhem Collection by itself outside of that upgrade bundle.
For players still working through the base campaign, our existing guide to every Red Brick covers the collectibles the new Absolute difficulty and Mayhem Mode’s chaos-scoring don’t touch. If you’re deciding whether the base game is worth it at all, our ranking of every Batman video game places it against two decades of Arkham and LEGO releases.
Frequently Asked Questions
When did the LEGO Batman Mayhem Collection DLC release?
September 18, 2026, alongside the game’s Nintendo Switch 2 launch.
How do I get the Mayhem Collection DLC?
Deluxe Edition owners have it automatically. Standard Edition owners need the $24.99 Deluxe Edition Upgrade, which also adds the earlier Legacy Collection DLC.
Is LEGO Batman: Legacy of the Dark Knight on Nintendo Switch 2?
Yes, as of September 18, 2026. The base game originally launched on PS5, Xbox Series X/S and PC on May 22, 2026, without a Switch 2 version.
What can Joker and Harley Quinn do in Mayhem Mode?
Each has a distinct set of abilities, gadgets and takedowns built for Mayhem Mode’s chaos-and-destruction objectives, rather than reusing Batman’s combat moveset.
Do you need to finish the main story to play the Mayhem Collection?
No. The DLC adds its own story mission around the Arkham Asylum breakout and Mayhem Mode is accessed separately once the DLC is active.
