Snake's iPod can download specific tunes throughout the course of the game. Some songs have an additional "secret" effect when it is played in the game.
Tune | How to unlock |
Beyond the Bounds (increases stun damage done by Snake from non-lethal weapons) | Stage 4 Shadow Moses, Tank Hangar. After power is restored, backtrack to the upper catwalk and explore all rooms
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Big Boss (increase stun damage and increases Snake's accuracy when played) | Earn the Big Boss emblem
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Bio-hazard (cause soldiers held by Snake to scream in terror) | Stage 3 Europe, Midtown
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Boktai 2 Theme | At the Act 2 mission briefing, go upstairs in the Nomad.
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Bon Dance | At Act 2 in the Marketplace.
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Destiny's Call (cause soldiers held by Snake to go enraged) | A random gift from a militia or rebel soldier if Snake gives them a healing item
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Flowing Destiny (cause soldiers held by Snake to weep like a little girl) | Stage 4 Shadow Moses, Canyon. Before leaving the canyon area, examine the rocky walls for a hole hiding this item
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Fury, The (cause soldiers held by Snake to go enraged) | Stage 2 South America, Cove Valley Village. Inside the fire ravaged house
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Inorino Uta | At the Act 1 mission briefing.
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Level 3 Warning | At Act 1, Advent Palace.
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Lunar Knights Main Theme | At the Act 4 mission briefing, upstairs in the Nomad.
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Metal Gear 20 Years History | Part 2: At Act 4, in Warhead Storage Building B2.
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Metal Gear 20 Years History | Part 3: At Act 2, at the South America Confinement Facility in the room with beds inside the house.
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Metal Gear Solid Main Theme (The Document Remix) | At Act 5, under the hatch to the left at the start of the area.
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MGS 4 Love Theme / Action (cause soldiers held by Snake to weep like a little girl) | A random gift from a militia or rebel soldier if Snake gives them a healing item
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On Alert | At Act 3, Midtown N Sector.
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One Night in Neo Kobe City | At Act 3, Midtown, hold-up a PMC soldier.
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Opening - Old L.A. 2040 (increase Snake's accuracy) | Stage 4 Shadow Moses, Nuclear Warhead Storage B2. Input 78925 into Otacon's lab computer
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Policenaughts Ending (cause soldiers held by Snake to fall asleep on touch) | Stage 4 Shadow Moses, Nuclear Warhead Storage B2. Input 13462 into Otacon's lab computer
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Rock Me (increases Snake's amount of life recovered from items and other means) | Stage 2 South America, Confinement Facility. Island in the south-eastern quadrant
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Sailor (increases Snake's amount of life recovered from items and other means) | Stage 2 South America, Vista Mansion. Between the east wall and a cargo container
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Shin Bokura no Taiyou Theme | At the Act 3 mission briefing, upstairs in the Nomad.
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Show Time (cause soldiers held by Snake to scream in terror) | A random gift from a militia or rebel soldier if Snake gives them a healing item
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Snake Eater (increase the life recovery rate of Snake through items and other actions) | Unlocked by earning all 40 game clear emblems
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Subsistence (increase Snake's accuracy) | Play at least one game of Metal Gear Online. You must start the match with at least two players
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Test Subject's Duality | At Act 3, Midtown S Sector.
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The Best Is Yet To Come | At Act 4, Snow Field just before the "Disc Change" Codec transmission.
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The Essence of Vince | At Act 3, Echo's Beacon.
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The Fury | At Act 2, in the Cave Valley Village in the badly burned building.
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The Fury | At Act 2: South America, Cove Valley Village, search inside the fire-ravaged house. This song causes soldiers held by Snake to become enraged.
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Theme of Solid Snake | At Act 1, Millennium Park.
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Theme Of Tara | At Act 1, Militia Safehouse, just before seeing the unmanned flying-bomber on the table.
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Warhead Storage | At Act 4, Tank Hanger, upper floor ventilation shaft.
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Yell (Dead Cell) | At Act 4, Casting Facility North.
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Zanzibarland Breeze | At Act 1, Urban Ruins before intermission sequences.
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