Sonic Generations (Alternate Timeline)

Sonic Generations (ソニック ジェネレーションズ: 白の時空 Sonikku Jenerēshonzu: Shiro no Jikū?, lit. "Sonic Generations: White Time and Space")
== Stages (Console) ==
=== Classic Era ===
# Green Hill zone (Sonic the hedgehog)
# Chemical Plant zone (Sonic the hedgehog 2)
# Ice Cap Zone (Sonic the hedgehog 3)
# Metal Blade Zone (Sonic X-TREME)
=== Dreamcast Era ===
# Windy Valley (Sonic Adventure)
# City Escape (sonic adventure 2)
# Grand Metropolis (Sonic Heroes)
# Final Haunt (Shadow the hedgehog)
=== Modern Era ===
# Kingdom Valley (Sonic Adventure 3)
# Night Palace (Shadow and the secret Rings)
# Rooftop Run (Sonic Awakening)
# Camelot Castle (Sonic & The Black Knight)
== Stages (DreamPocket) ==
=== Classic era ===
# Green Hill Zone (Sonic the hedgehog)
# Gigapolis Zone (Sonic Chaos)
# Sunset Park Zone (Sonic Triple Trouble)
=== Advance Era ===
# Secret Base zone (Sonic Advance)
# Music Plant (Sonic Advance 2)
# Chaos Angel Zone (Sonic Advance 3)
=== Modern Era ===
# Water Palace zone (Sonic Rush)
# Sky Babylon Zone (Sonic Rush Adventure)