1:00:01

Ambiance - Old Aperture Ambiance #002 (Portal 2)

3:04:20

Ａｐｅｒｔｕｒｅ　Ｓｅｒｅｎｉｔｙ | Portal 2 Relaxing Ambient with Rain Sounds (3 Hour Ambience Inspired)

2:01:42

Ambiance - 2hrs White Noise + 'Industrial Ambiance'

1:00:37

Half-Life 2 Ambience: Chapter 7 - Highway 17 (Глава 7: Шоссе 17) (Kelly Bailey - Lab Practicum)

1:59:59

Space Station | Ambience | 2 hours

1:00:01

[1 Hour Loop] Portal 2 Menu - Act 5

2:29:00

Skyrim - Music & Ambience

1:00:36

Portal 2 - Ambience - 30 - Old Aperture Waiting room (1HR) "Sixty Dollars"