Sonic the Hedgehog 2: all version differences
5 documented differences between the releases of Sonic the Hedgehog 2, each with a source. Back to the main page for names, releases and where to play.
Category × version
| Category | Rev. 00 | Rev. 01 | Rev. 02 | Sonic Jam (Saturn) | 2013 mobile remake | 3DS (2015) | Sega Ages (Switch) |
|---|---|---|---|---|---|---|---|
| Bug fix | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Gameplay | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Content | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
Version differences
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Bug fixRev. 00Rev. 01Rev. 02
The cartridge was revised during production: early copies had bugs that later ones fixed, and at least three ROM revisions exist.1
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GameplaySonic Jam (Saturn)
The Sega Saturn compilation Sonic Jam adds an easier alternative mode.2
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Content2013 mobile remake
The 2013 Retro Engine remake adds widescreen, Knuckles as a playable character, time and boss attack modes, online multiplayer and a restored Hidden Palace Zone.2
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Content3DS (2015)
The 2015 3D Classics version for 3DS adds stereoscopic 3D, a choice of regional variants and cheat options.2
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ContentSega Ages (Switch)
The Sega Ages release for Switch adds the Drop Dash move, a time-attack mode and Knuckles as a playable character.2
Sources
Checked: 2026-10-13