Trombone Champ: Unflattened - Halloween Pack
Haunt your headset with this new Halloween Pack for Trombone Champ: Unflattened! With terrifying toots and scary songs, this pack has everything you need to celebrate Spooky Season.
Type | DLC |
Release Date | 10/16/2025 |
Developers | |
Last Updated | 10/16/2025 |
Steam App Id | 4076990 |
- Windows
- Mac
- Linux
About Trombone Champ: Unflattened - Halloween Pack
Trombone Champ: Unflattened - Halloween Pack is an Indie and Casual DLC developed by Flat2VR Studios, and Holy Wow Studios LLC. On 10/16/2025, it was released on the Steam Store. Trombone Champ: Unflattened - Halloween Pack can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
According to Steam’s category system, Trombone Champ: Unflattened - Halloween Pack supports the following features:
- Single-player
- Steam Cloud
- Family Sharing
- Downloadable Content
- Steam Achievements
- Steam Leaderboards
Media & Sceenshots
Explore the featured video and screenshots from Trombone Champ: Unflattened - Halloween Pack featured in the Steam Store.
DLC & Related Apps
Trombone Champ: Unflattened - Halloween Pack is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Trombone Champ: Unflattened | Game | 11/26/2024 | View |
Related Packages
Trombone Champ: Unflattened - Halloween Pack is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Trombone Champ: Unflattened - Halloween Pack | $2.99 | View |