TT Games has finally pulled back the curtain on the Batcave in LEGO Batman: Legacy of the Dark Knight, and it is not the static trophy room of past entries. This version evolves alongside Bruce Wayne himself, beginning life as little more than Alfred’s dusty storage unit before Lucius Fox’s technological breakthroughs turn it into a sprawling high-tech command center packed with studs, secrets, and player creativity.

Players will spend their hard-earned studs to furnish and expand the space however they see fit. Science labs, training centers, garages filled with an ever-growing fleet of Batmobiles and Batcycles; the list of possibilities reads like a LEGO catalog crossed with a Batman fever dream. Want an American diner in the cellar or a cozy library for quiet reflection? The game lets you. Digital screens display art scavenged from Gotham’s underbelly, while the trophy wall boasts the usual suspects—T-Rex, giant Joker playing card, oversized penny—plus the glorious addition of Polka-Dot Man’s ball pit. Because sometimes even the World’s Greatest Detective needs to dive headfirst into absurdity.

The suit vault lines the walls with dozens of outfits drawn from across Batman’s media history, the training area doubles as an over-engineered obstacle course to test gadget upgrades, and a challenge terminal doles out Red Bricks and more studs for increasingly ridiculous feats. It is a living, breathing hub that rewards exploration of the open-world Gotham above it. The plot twist, of course, is that after 85 years of Batcaves in every conceivable size and shape, TT Games decided the most interesting one is the one you build yourself.

Matthew Wood, Lead Designer at TT Games, put it plainly: the goal was both homage and something new that fully embraces the creative power of LEGO bricks. Whether the final product lives up to that promise remains to be seen, but on paper it is the most ambitious Batcave the brick universe has ever offered. Just try not to fill it entirely with ball pits.