Portal 2 soundtrack

Songs to Test By is the soundtrack for Portal 2. Songs to Test By was made available free from the Portal 2 official website in .mp3 format. Shorter versions of particular songs, or sound effects from the game, are available as ringtones. The soundtrack is releasing in three volumes: The first, titled Volume 1, was released on May 25, 2011; Volume 2 was released on July 1, 2011 and Volume 3 is currently unreleased.

Volume 1

Listen to soundtrack on YouTube.

Science is Fun by Aperture Science Psychoacoustics Laboratory [2:33] | Download | Play Concentration Enhancing Menu Initialiser by Aperture Science Psychoacoustics Laboratory [2:33] | Download | Play 9999999 by Aperture Science Psychoacoustics Laboratory [3:11] | Download | Play The Courtesy Call by Aperture Science Psychoacoustics Laboratory [3:37] | Download | Play Technical Difficulties by Aperture Science Psychoacoustics Laboratory [3:21] | Download | Play Overgrowth by Aperture Science Psychoacoustics Laboratory [2:50] | Download | Play Ghost of Rattman by Aperture Science Psychoacoustics Laboratory [4:06] | Download | Play Haunted Panels by Aperture Science Psychoacoustics Laboratory [1:36] | Download | Play The Future Starts With You by Aperture Science Psychoacoustics Laboratory [3:21] | Download | Play There She Is by Aperture Science Psychoacoustics Laboratory [4:20] | Download | Play You Know Her? by Aperture Science Psychoacoustics Laboratory [3:10] | Download | Play The Friendly Faith Plate by Aperture Science Psychoacoustics Laboratory [2:59] | Download | Play 15 Acres of Broken Glass by Aperture Science Psychoacoustics Laboratory [4:59] | Download | Play Love as a Construct by Aperture Science Psychoacoustics Laboratory [4:57] | Download | Play I Saw a Deer Today by Aperture Science Psychoacoustics Laboratory [3:13] | Download | Play Hard Sunshine by Aperture Science Psychoacoustics Laboratory [2:48] | Download | Play I'm Different by Aperture Science Psychoacoustics Laboratory [4:28] | Download | Play Adrenal Vapor by Aperture Science Psychoacoustics Laboratory [2:36] | Download | Play Turret Wife Serenade by Aperture Science Psychoacoustics Laboratory [1:38] | Download | Play I Made It All Up by Aperture Science Psychoacoustics Laboratory [3:56] | Download | Play Comedy = Tragedy + Time by Aperture Science Psychoacoustics Laboratory [3:29] | Download | Play Triple Laser Phase by Aperture Science Psychoacoustics Laboratory [4:15] | Download | Play

Volume 2

You Will Be Perfect by Aperture Science Psychoacoustics Laboratory [2:39] | Download | Play Halls Of Science 4 by Aperture Science Psychoacoustics Laboratory [4:35] | Download | Play Bots Build Bots by Aperture Science Psychoacoustics Laboratory [4:07] | Download | Play An Accent Beyond by Aperture Science Psychoacoustics Laboratory [2:58] | Download | Play Robot Ghost Story by Aperture Science Psychoacoustics Laboratory [3:07] | Download | Play Die Cut Laser Dance by Aperture Science Psychoacoustics Laboratory [2:01] | Download | Play Turret Redemption Line by Aperture Science Psychoacoustics Laboratory [3:23] | Download | Play Bring Your Daughter To Work Day by Aperture Science Psychoacoustics Laboratory [2:40] | Download | Play Almost At Fifty Percent by Aperture Science Psychoacoustics Laboratory [1:59] | Download | Play Don't Do It by Aperture Science Psychoacoustics Laboratory [5:16] | Download | Play Template:Dictionary/audio/i am not a moron by Template:Dictionary/audio/i am not a moron [[[:Template:Dictionary/audio/i am not a moron]]:Template:Dictionary/audio/i am not a moron] | [[Media:Template:Dictionary/audio/i am not a moron|Download]] | [[Media:Template:Dictionary/audio/i am not a moron|Play]] Vitrification Order by Aperture Science Psychoacoustics Laboratory [6:34] | Download | Play Music of the Spheres by Aperture Science Psychoacoustics Laboratory [3:38] | Download | Play You are Not Part Of the Control Group by Aperture Science Psychoacoustics Laboratory [3:24] | Download | Play Forwarding the Cause of Science by Aperture Science Psychoacoustics Laboratory [3:40] | Download | Play PotatOS Lament by Aperture Science Psychoacoustics Laboratory [1:59] | Download | Play The Reunion by Aperture Science Psychoacoustics Laboratory [3:45] | Download | Play Music of the Spheres 2 (Incendiary Lemons) by Aperture Science Psychoacoustics Laboratory [2:43] | Download | Play