The Mayhem Collection includes a new story mission, centering on Joker and Harley Quinn's escape from Arkham Asylum. Mayhem Mode, set in Gotham City’s locked-down North Island, challenges players to repeatable, time-limited runs.
Built in Unreal Engine 5, the action-adventure game features seven playable Gotham City characters and a new combat system. The “Heroes & Villains” trailer, unveiled during The Game Awards in December of 2025, offered an early look at Gotham City's open world layout and co-op gameplay elements, with original music contributed by Alexandros Nikolaidis.
The Original Video Game Soundtrack is streaming on Spotify, Amazon Music Unlimited, and the WaterTower Music YouTube channel. Original music is by Lego Star Wars: The Skywalker Saga composer Simon Withenshaw.
Lego Batman: Legacy of the Dark Knight is also available for PlayStation 5 and Xbox Series X|S consoles. The Windows PC edition is hosted on Steam and the Epic Games Store, verified for use with the Steam Deck.
From the lego.com announcement:
Developed by TT Games, creators of the best-selling LEGO games series, including the critically acclaimed LEGO Star Wars: The Skywalker Saga, and published by Warner Bros. Games, LEGO Batman: Legacy of the Dark Knight features an original story that blends together iconic moments from across the Caped Crusader’s history in film, television, comic books, and games in a unique way, combined with countless DC references and fun-filled LEGO humor.YouTube Music - LEGO Batman: Legacy of the Dark Knight (Original Video Game Soundtrack)
Brick by brick, become the hero Gotham City needs. LEGO® Batman: Legacy of the Dark Knight is available now on #NintendoSwitch2!
— Nintendo of Europe (@NintendoEurope) September 18, 2026
Build the legacy: https://t.co/TGoqQkxpJT pic.twitter.com/ZEvdFzUuDK


