After achieving the rank of and satisfying the demands of the Trombone Demon , a strange phenomenon begins. The "Toot-Force" that powers the Trombiverse begins to leak into other dimensions. Reality itself starts to wobble like a poorly played slide note. The Crossover
The DLC culminates in a final stage where you must play a medley of all these worlds while the and Steamboat Willie (teased in recent VR updates) watch from the sidelines. You aren't just playing for high scores anymore; you are "tuning" the universe back into harmony—or at least a very loud, very slightly off-key version of it. 📦 Existing & Rumored DLC Packs Trombone Champ DLC
In the Underground, Sans feels a "rattle in his bones" that isn't his own. He hands the protagonist a brass instrument, leading to a musical showdown where "Megalovania" is played exclusively on a trombone that sounds like it’s underwater. After achieving the rank of and satisfying the