27 Variations of Alert Sound from Metal Gear Solid - YouTube
Free Metal Gear Solid Ringtones for your iPhone (or other phone, probably) – Split Screen
☊ Metal Gear Solid Ringtones Soundboard
Metal Gear Solid 3 - The Complete Soundtrack (PS2) (gamerip) (2005) MP3 - Download Metal Gear Solid 3 - The Complete Soundtrack (PS2) (gamerip) (2005) Soundtracks for FREE!
Close Up: Metal Gear Solid V: The Phantom Pain Sound Sensor Lights (Alert & Caution)
Metal Gear Solid - Virtual Existence (PS1) (gamerip) (1998) MP3 - Download Metal Gear Solid - Virtual Existence (PS1) (gamerip) (1998) Soundtracks for FREE!
metal gear solid sound effect (Alert) - YouTube
Metal Gear Soundtrack Collection 1991-2016 : Free Download, Borrow, and Streaming : Internet Archive
Metal gear solid Alert Theme - YouTube
Freesound - "Metal Gear Solid Guard Alert Exclamation" by PhilStrahl