Intruder Alert - Team Fortress 2

"Intruder Alert - Team Fortress 2" is a high quality rip of "Intruder Alert" from Team Fortress 2.

Jokes
The rip plays the piano MIDI version of the advertised track, found in the Team Fortress 2 files. At 0:33, parts of the piano play "Snow halation".

Trivia
The catchphrase is a reference to a line from "Meet the Spy", a promotional video for the game, which says: "Intruder alert! RED Spy is in the base!"