Aperture loud

27 s

This Is Aperture

29 s

Portal - Recscience

26 s

Aperture Rd - Call

21 s

Portal 2-lemons

22 s

Aperture Announcer

30 s

Portal Radio Tune

23 s

Self Esteem Fund

21 s

If I Was A Core

29 s

This Is Aperture

29 s

Glados Is To Blame

24 s

Portal Aperture

5 s

Aperture Labatories

5 s

Aperture jingle

3 s

Aperture jingle

7 s

Portal Aperture Bell

5 s

Aperture Buzzer

1 s

Aperture Science

6 s

Aperture Jingle

4 s

Aperture Bell

3 s

Portal Button Sound

1 s

Pick Me Up

1 s

Turret - Whos There

2 s

Will This Hurt

4 s

Turret - Activated

2 s

Turret - Help Im

2 s