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1
Piero's Dream and the Cryochamber
Luke Truan
2
Working on the Portal Gun
3
Missing People Report
4
Gman and the Vault
5
Ratman and the Companion Cube
6
Escape to the Portal
7
Return of the Machines
8
Intense Passion
![Portal: Origins [part 2] (Original Soundtrack)](http://resources.tidal.com/images/b1f68689/90ab/47df/8b27/ab39bac7eae7/640x640.jpg)
