Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack cover art

Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack(2025)

DLC for Trombone Champ: Unflattened!

Released: August 12th, 2025

Description

Six Legendary Tracks. One Unstable Trombone. The UNDERTALE + DELTARUNE Song Pack brings a whole new level of chaos (and possibly spiritual awakening) to your trombone.

Modes:Single-Player
Genres:Indie
Platforms:SteamVR

Subscription Availability

This game is not currently available on any major subscription services.

Screenshots

Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack featured screenshot
Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack screenshot thumbnail 2
Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack screenshot thumbnail 3
Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack screenshot thumbnail 4
Trombone Champ: Unflattened! - Undertale + Deltarune Song Pack screenshot thumbnail 5
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