Lego Batman: Legacy of the Dark Knight - release date and DLC details for Switch 2

In short

• Lego Batman: Legacy of the Dark Knight launches on 18 September 2026 for Switch 2.
• The game recently received a four-star review on Xbox Series X/S and PC.
• The Mayhem Collection DLC adds new modes and iconic characters like The Joker and Harley Quinn.

GAME-scanner analysis

The Switch 2 release of Lego Batman: Legacy of the Dark Knight, scheduled for 18 September 2026, marks an important expansion of the LEGO franchise from Warner Bros. The game’s positive reception on Xbox Series X/S and PC, where it launched in August 2026 and earned a four-star review from Eurogamer, suggests that its gameplay is resonating with both new and returning fans. That gives the Switch 2 version a strong foundation to build on, with expectations that it will continue that positive momentum.

The simultaneous launch of the Mayhem Collection DLC on the same day as the Switch 2 release is a strategic move. This expansion introduces new modes, including Mayhem Mode, as well as popular characters such as The Joker and Harley Quinn. That could boost player engagement, which is crucial for the game’s long-term lifespan. Adding these iconic villains may significantly increase replay value, making the package even more appealing to fans of the DC universe.

What does this mean for players?

For players, the release of Lego Batman: Legacy of the Dark Knight means not only a new game, but also the chance to expand the experience with the Mayhem Collection DLC. The addition of fan-favourite characters like The Joker and Harley Quinn should further increase the game’s appeal. Players who pre-order the physical edition will also receive a LEGO Retro Video Game Batman minifigure, adding another incentive to pick up the game.