Sparta GSC Base

My Beats

Portal 2

portal

Portal 2 OST (Raw Versions)

fun fact steam ages is an unused level but they had the music for it

Plants vs. Zombies 2 Original Soundtrack

Anicent Egypt (Brainiac Maniac)

INSIDE

Welcome to The Internet

Unreleased Rarities

Inside The Mind of Simon - (Tally Hall Demo)

Labrynth

Portal2 Companion Cube

Portal 2 - GLaDOS Awakes

You can download the whole albums here: http://www.thinkwithportals.com/music.php 
Otherwise, you can just download the singular track straight from here.

Portal 2 Soundtrack - Halls Of Science 4

Remix Based for : biohazard
made by beat of a repeat in FL Studio 11

Sparta Venom Mix ~AB75E~

The Mind Electric [ミラクルミュージカル]

One of the many tracks from the Portal 2 OST, Created by Valve

Portal 2 OST - PotatOS Lament [Extended]

Portal 2 OST - Reconstructing More Science

Chapter 9 - The Part Where He Kills You 23

Chapter 9 - The Part Where He Kills You 22

Chapter 5 - The Escape - Core Swap 5

Chapter 5 - The Escape - Core Swap 4

Chapter 5 - The Escape - Core Swap 3

Chapter 1 - The Courtesy Call - Intro 4 - Apple

Chapter 1 - The Courtesy Call - Intro 3

Chapter 1 - The Courtesy Call - Intro 1

Main Menu 4

Main Menu 2

Sonic CD Japan

Metallic Madness: Bad Future

Minecraft Dungeons: Jungle Awakens

Dank Cave

The Complete Soundtrack to Rayman Origins.

Rayman Origins Gamerip

(Ticklish Temples) Poor Little Daisy!

Chapter 5 - The Escape - Core Swap 3

My Boi on a Sticc