3:57
Portal - The Underground / Episode 1: Paranoia Core
burgerScum
4:19
Portal - The Underground / Episode 2: Protocol Core
3:08
Portal - The Underground / Episode 3: Elite Core
4:38
Portal - The Underground / Episode 4: Ambition Core
4:32
Portal - The Underground / Episode 5: Ego Core
8:01
Portal - The Underground / Episode 6: Friendship Cores
3:03
Portal - The Underground / Episode 7: The Pit
6:19
Portal - The Underground / Episode 8: Optimism Core
3:54
Portal - The Underground / Episode 9: Companion Cube
8:06
Portal - The Underground / Episode 10: Robot Seventeen
12:13
Portal - The Underground / Episode 11: Storyteller
