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Proto:Sonic Adventure 2 (Dreamcast)

From The Cutting Room Floor
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This page details one or more prototype versions of Sonic Adventure 2 (Dreamcast).

Several prototypes of Sonic Adventure 2 have been uncovered over the years. Most of them are demo builds that were sent out in the buildup to release; two are of the full game, but come quite late in development.

Sub-Pages

SonicAdventure2TheTrial titlescreen.png
 The Trial
A demo from late 2000 that was shipped with copies of Phantasy Star Online. Sonic doesn't even have the Soap shoes in this version.
SonicAdventure2Preview title.png
 Preview
Dated March 18, 2001. This is similar to the Preview build sent to the press. It contains a very incomplete English voice track, among other things.
SonicAdventure2Trialversion title.png
 Trial Version
Dated May 3, 2001. Much closer to the final, but still manages to show some changes.
Sonic Adventure 2-title.png
 May 7, 2001 Prototype
Dated May 7, 2001. This is the earliest full prototype, with a surprising amount of minor differences and some HUGE amounts of debugging material.
Sonic Adventure 2-title.png
 Review
Dated May 21, 2001. A European version that was sent to the press for reviews, still managing to show minor changes.
Sega GenesisSonic the Hedgehog (Prototype) • Sonic the Hedgehog 2 (Prototypes) • Sonic the Hedgehog 3 (Prototype) • Sonic & Knuckles (Prototypes) • Sonic 3 & Knuckles • Sonic 3D Blast (Prototypes) • Sonic Spinball (Prototype)
Dr. Robotnik's Mean Bean Machine (Prototype) • Sonic Classics
Sega Master SystemSonic the Hedgehog • Sonic the Hedgehog 2 • Sonic Chaos (Prototypes) • Sonic Blast • Sonic Spinball
Dr. Robotnik's Mean Bean Machine • Sonic's Edusoft
Game GearSonic the Hedgehog (Prototype) • Sonic the Hedgehog 2 (Prototype) • Sonic Chaos (Prototypes) • Sonic Triple Trouble (Prototypes)
Sonic Spinball (Prototype) • Sonic Drift 2 • Sonic Labyrinth • Sonic Blast (Prototypes)
Dr. Robotnik's Mean Bean Machine • Tails' Skypatrol • Tails Adventures
ArcadeSegaSonic Cosmo Fighter • SegaSonic the Hedgehog (Prototype) • Sonic Championship • SegaSonic Bros.
Sega CDSonic the Hedgehog CD (Prototypes‎)
32XKnuckles' Chaotix (Prototypes)
Sega PicoSonic the Hedgehog's Gameworld • Tails and the Music Maker (Prototypes)
WindowsSonic the Hedgehog CD (1996, 2011) • Sonic's Schoolhouse • Sonic & Knuckles Collection • Sonic 3D Blast • Sonic R
Sonic Heroes • Sonic Riders • Sonic Adventure DX: Director's Cut (2004, Demo, 2011) • Sonic Adventure 2
Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic the Hedgehog 4 - Episode II (Prototype) • Sonic Generations (Demos) • Sonic Lost World • Sonic Mania • Sonic Forces • Sonic & Sega All-Stars Racing • Sonic & All-Stars Racing Transformed • Team Sonic Racing
Sega SaturnSonic X-treme • Sonic 3D Blast (Prototype) • Sonic Jam (Prototype) • Sonic R (Preview)
Game.comSonic Jam
DreamcastSonic Adventure (Prototypes) • Sonic Adventure 2 (Prototypes) • Sonic Shuffle (Debug Version)
Neo Geo Pocket ColorSonic the Hedgehog Pocket Adventure (Prototypes)
Game Boy AdvanceSonic Advance (Prototype) • Sonic Advance 2 • Sonic Advance 3 (Prototype) • Sonic Battle • Sonic the Hedgehog Genesis
GameCubeSonic Adventure 2: Battle (Demo) • Sonic Adventure DX: Director's Cut (Prototypes) • Sonic Heroes (Prototypes)
Shadow the Hedgehog • Sonic Mega Collection (Prototype) • Sonic Gems Collection • Sonic Riders
PlayStation 2Sonic Heroes • Shadow the Hedgehog • Sonic Riders • Sonic Riders: Zero Gravity • Sonic Unleashed • Sonic Gems Collection
XboxSonic Heroes • Shadow the Hedgehog • Sonic Riders
Nintendo DSSonic Rush (Demo) • Mario & Sonic at the Olympic Games (Beijing 2008) • Sonic Chronicles: The Dark Brotherhood
Sonic & SEGA All-Stars Racing • Sonic Classic Collection
PlayStation PortableSonic Rivals
Xbox 360Sonic the Hedgehog (Demo) • Sonic Unleashed (Preview) • Sonic & Sega All-Stars Racing • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic Generations (Demos) • Sonic Adventure 2 • Sonic & All-Stars Racing Transformed
WiiSonic Unleashed • Sonic Colors • Mario & Sonic at the Olympic Games (Beijing 2008, London 2012) • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic & Sega All-Stars Racing • Sonic and the Black Knight • Sonic Riders: Zero Gravity
PlayStation 3Sonic the Hedgehog • Sonic the Hedgehog 4 - Episode I (Prototypes) • Sonic Adventure 2 • Sonic Generations (Demos) • Sonic & All-Stars Racing Transformed
Nintendo 3DSSonic Generations • Mario & Sonic at the Olympic Games (London 2012) • Sonic & All-Stars Racing Transformed
Wii USonic Lost World • Sonic Boom: Rise of Lyric • Sonic & All-Stars Racing Transformed • Mario & Sonic at the Olympic Games (Rio 2016)
Nintendo Switch, PlayStation 4, Xbox OneSonic Mania
J2MESonic the Hedgehog Mobile • Sonic Jump
LeapFrog SystemsSonic X • Sonic the Hedgehog
N-GageSonic N
iOS, AndroidSonic the Hedgehog 4 - Episode I (Prototypes) • Sonic the Hedgehog • Sonic the Hedgehog 2 • Sonic the Hedgehog CD
Sonic Jump • Sonic Dash • Sonic Runners  • Sonic Runners Adventure (Prototype)
Plug & PlaySuper Sonic Gold
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