Sonic x Shadow Generations – Stages and Bosses List

This article has a full list of stages and bosses for Sonic x Shadow Generations. The game is split between two storylines/games, Sonic Generations and Shadow Generations.

Stages List

Sonic Generations

No.	Stage	Era	Original game
1	Green Hill	Classic	Sonic the Hedgehog (1991)
2	Chemical Plant		Sonic the Hedgehog 2 (16-bit)
3	Sky Sanctuary		Sonic & Knuckles
4	Speed Highway	Dreamcast	Sonic Adventure
5	City Escape		Sonic Adventure 2
6	Seaside Hill		Sonic Heroes
7	Crisis City	Modern	Sonic the Hedgehog (2006)
8	Rooftop Run		Sonic Unleashed (Xbox 360/PlayStation 3)
9	Planet Wisp		Sonic Colors / Ultimate

Shadow Generations

No.	Stage	Original appearance
1	Space Colony ARK	Shadow Generations
2	Rail Canyon	Sonic Heroes
3	Kingdom Valley	Sonic the Hedgehog (2006)
4	Sunset Heights	Sonic Forces
5	Chaos Island	Sonic Frontiers
6	Radical Highway	Sonic Adventure 2
7 (DLC)	Unnamed Tokyo stage	Sonic the Hedgehog 3 (film)

Bosses List

Sonic Generations

Rival

No.	Boss	Era	Location	Original game
1	Metal Sonic	Classic	Stardust Speedway	Sonic the Hedgehog CD
2	Shadow the Hedgehog	Dreamcast	Space Colony ARK (Final Rush)	Sonic Adventure 2
3	Silver the Hedgehog	Modern	Crisis City	Sonic the Hedgehog (2006)

Major

No.	Boss	Era	Location	Original game
1	Death Egg Robot	Classic	Death Egg	Sonic the Hedgehog 2 (16-bit)
2	Perfect Chaos	Dreamcast	Station Square	Sonic Adventure
3	Egg Dragoon	Modern	Eggmanland	Sonic Unleashed
4	Time Eater		Lair of the Time Eater	Sonic Generations

Shadow Generations

Boss	Location	Original game
The Biolizard	Cannon’s Core	Sonic Adventure 2
Metal Overlord	Final Fortress	Sonic Heroes
Mephiles the Dark	Dusty Desert	Sonic the Hedgehog (2006)
Devil Doom/Neo Devil Doom	Doom Zone	Shadow Generations

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Sonic Generations is a platform game developed by Sonic Team and initially released in 2011 for PC, PlayStation 3, Xbox 360, and Nintendo 3DS. A remaster with expanded content, Sonic x Shadow Generations, was released in 2024 for PC, Xbox Series X|S, PlayStation 5, Nintendo Switch, Xbox One, and PlayStation 4.