Sonic Generations Zones inside of Zones?!

There have been some rumors about zones inside of zones and i have some proof:

Classic Rooftop Run and FLYING BATTERY?!

Classic Seaside Hill and is that a refrence to HYDROCITY?!

Well the topic is not over i want you to guess what zones will be in zones and what zones would you like to be inside zones heres the list of zones:

Sonic The Hedgehog-Green Hill Zone

Sonic The Hedgehog 2-Chemical Plant Zone

Sonic The Hedgehog 3-Sky Sanctuary Zone

Sonic Adventure-Speed Highway

Sonic Adventure 2-City Escape

Sonic Heroes-Seaside Hill

Sonic The Hedgehog (06)-Crisis City

Sonic Unleashed-Rooftop Run

Sonic Colors-Planet Wisp

SonicFanPS2 wrote:Could it be more like zone cameos?

Jmh wrote:Green Hill- Mystic Cave Zone.
Sky Sanctuary- Death Egg Zone.
Seaside Hill- Hydrocity Zone.
Crisis City- Lava Reef Zone.
Rooftop Run- Flying Battery Zone.

As for the rest, I've got no clue.

Light Dash wrote:We need to go deeper.