Sonic Generations Collection

Classic Era:

Tier 1:
-Green Hill (Sonic the Hedgehog)
-Chemical Plant (Sonic the Hedgehog 2)
-Collision Chaos (Sonic CD)
-Rival Battle 1: Metal Sonic in Stardust Speedway (Sonic CD)
-Boss 1: Death Egg Robo (Sonic the Hedgehog 2)

Tier 2:
-Angel Island (Sonic the Hedgehog 3)
-Mushroom Hill (Sonic & Knuckles)
-Sky Sanctuary (Sonic & Knuckles)
-Rival Battle 2: Knuckles the Echidna in Launch Base (Sonic the Hedgehog 3)
-Boss 2: Big Arm (Sonic the Hedgehog 3)

Tier 3:
-Radiant Emerald (Sonic R)
-Botanic Base (Knuckles' Chaotix)
-Panic Puppet (Sonic 3D Blast)
Rival Battle 3: Fang the Sniper in South Island (Sonic the Fighters)
-Boss 2: EggMech vs. Super Sonic (Sonic & Knuckles)

-Special Stage: Casino Night (Sonic the Hedgehog 2)




Dreamcast Era:

Tier 1:
-Speed Highway (Sonic Adventure)
-Cosmic Angel (Sonic Advance)
-Seaside Hill (Sonic Heroes)
-Rival Battle 1:  E-102 Gamma in Egg Carrier (Sonic Adventure)
-Boss 1: Egg Emperor (Sonic Heroes)

Tier 2:
-City Escape (Sonic Adventure 2)
-Lost World (Sonic Adventure)
-Route 99 (Sonic Advance 3)
-Rival Battle 2:  Rouge the Bat in Meteor Herd (Sonic Adventure 2)
-Boss 2: Biolizard in Final Hazard (Sonic Adventure 2)

Tier 3:
-Radical Highway (Sonic Adventure 2)
-Pumpkin Hill (Sonic Adventure 2)
-Grand Metroplis (Sonic Heroes)
-Rival Battle 3: Shadow the Hedgehog in Final Chase (Sonic Adventure 2)
-Boss 3: Perfect Chaos vs. Super Sonic (Sonic Adventure)

Special Stage: Chao Garden (Sonic Adventure)




Modern Era:

Tier 1:
-Crisis City (Sonic the Hedgehog 2006)
-Sand Oasis (Sonic & the Secret Rings)
-Camelot Castle (Sonic & the Black Knight)
-Rival Battle 1: Silver the Hedgehog in Kingdom Valley (Sonic the Hedgehog 2006)
-Boss 1: Egg Dragoon (Sonic Unleashed)

Tier 2:
-Rooftop Run (Sonic Unleashed)
-Sky Park (Sonic Rivals)
-Mad Gear (Sonic the Hedgehog 4: Episode 1)
-Rival Battle 2: Sonic the Werehog in Apotos (Sonic Unleashed)
-Boss 2: Nega Wisp Armor (Sonic Colors)

Tier 3:
-Planet Wisp (Sonic Colors)
-Tropical Resort (Sonic Colors)
-Water Temple (Sonic Rush)
-Rival Battle 3: Blaze the Cat in Dead Line (Sonic Rush)
Boss 3: Time Eater (Sonic Generations)

Guitar Hero: Sonic

-Green Hill
          Sonic the Hedgehog, 1991
-Marble
          Sonic the Hedgehog, 1991
-Final Zone
         Sonic the Hedgehog, 1991
-Robotnik Approaching
          Sonic the Hedgehog 2, 1992
-Casino Night
          Sonic the Hedgehog 2, 1992
-Hidden Palace
          Sonic the Hedgehog 2, 1992
-Death Egg Robo
          Sonic the Hedgehog 2, 1992
-Sonic Boom
          Sonic CD, 1993
-Stardust Speedway
          Sonic CD, 1993
-Ice Cap
          Sonic the Hedgehog 3, 1993
-Big Arm
         Sonic the Hedgehog 3, 1993
-Flying Battery
         Sonic & Knuckles, 1994
-Sky Sanctuary
          Sonic & Knuckles, 1994
-Panic Puppet
         Sonic 3D Blast, 1996
-Super Sonic Racing
          Sonic R, 1997
-Open Your Heart
          Sonic Adventure, 2000
-Live & Learn
          Sonic Adventure 2, 2001
-Escape from the City
          Sonic Adventure 2, 2001
-Sonic Heroes
         Sonic Heroes, 2004
-Wrapped in Black
          Sonic Rush, 2005

-His World
          Sonic the Hedgehog, 2006
-Crisis City
          Sonic the Hedgehog, 2006

-Dreams of an Absolution
          Sonic the Hedgehog, 2006
-Seven Rings in Hand
          Sonic and the Secret Rings, 2007
-Rooftop Run
          Sonic Unleashed, 2008
-Knight of the Wind
          Sonic & the Black Knight, 2009
-Reach for the Stars
          Sonic Colors, 2010
-Planet Wisp
          Sonic Colors, 2010
-Aquarium Park
         Sonic Colors, 2010