Sonic Spinball - Toxic Rave (ID: 288323)

Sonic & Knux - Final Boss (ID: 155862)

Sonic Advance 2 - True Area 53

Sonic 3 - Ice Cap, Act 2 (ID: 311023)

Sonic 3DB - Rusty Ruins (ID: 260433)

Tetris GB - Music A (ID: 323518)

Sonic 2 - India's Oil (ID: 329591)

Sonic & Knux - Death Egg (ID: 128513)

Sky Chase

Westopolis

Sonic 2 - Sky Chase (ID: 252468)

Rundown (ID: 74019)

Pokemon MD - Sky Tower (ID: 136773)

Sonic 2 - Sky Chase

Sonic Spinball - Toxic Rave

Sonic 1 - Final Boss (ID: 230734)

Sonic 3 - Launch Base (ID: 72959)

Super Smash Bros Brawl - Boss (ID: 177472)

Rusty Ruins

Final Boss

Mystic Mansion

Toxic Rave

Tetris GB, Music A

Sonic & Knux - Final Boss

Level 4 (Newgrounds Remix)

Super Smash Bros Brawl - Boss

Rusty Ruins (Newgrounds Remix)

Sonic 1 - Metal Marbles

Newgrounds Audio Portal - http://www.newgrounds.com/audio

Bejeweled Twist - Level 3 (ID: 219955)

Tetris GB - Music A

Sonic & Knux - Sky Sanctuary

Sonic Heroes Grand Metropolis (ID: 178861)

Sonic Heroes - Mystic Mansion (ID: 201306)

Sonic & Knux - Death Egg

Sonic Heroes - Final Fortress (ID: 137180)

A Touch Of Destiny (ID: 291516)

Sonic R - Supersonic Racing

Pokemon MD - Stormy Sea (ID: 70968)

Sonic Advance 3 Nonaggression (ID: 70967)

Super Smash Bros Brawl

Radical Rex - Swamp (ID: 64363)

DOOM 2 - The Pit (ID: 354647)

Sonic 2 - Mystic Cave (ID: 50571)