http://www.newgrounds.com/collection/castlecrashers

Castle Crashers- The Show

Main Menu Theme

Boss Stage Theme Alternate

Pizza Tower Soundtrack

Don't Preheat Your Oven Because If You Do The Song Won't Play

Time For A Smackdown

Castle Crashers OST - Jumper

I love Team Fortress 2 but when I found out that there were lots of unused files in the game folder, including this awesome song.
I posted the file directly onto here. Rumour has it that it was taken off as Valve thought it would distract players. Enjoy.

I do not own this song or the rights to it. Copyright Valve 2011

TF2 - Unused Upgrade Station Music (MvM)

Jazz - Bloons TD 5 Soundtrack

Wirbelwind Tonspur

Twig

Jetpack Joyride - The Stash

Earthbound - 53 - Sanctuary Guardian

Jetpack Joyride - The Stash

Halfbrick Studios