Important Items & Places

Explore key locations like Green Hill and Chemical Plant, and items like the Phantom Ruby in Sonic Forces. Learn about Dr. Eggman's Egg Mobile and Death Egg.

Green Hill

The Green Hill Zone is the checkerboard coastline and tropical mountainside of South Island, which is home to dozens of animals and possibly some ancient civilization. However, the area has changed recently, becoming filled with sand and turning into a desert. Its first game appearance was in Sonic the Hedgehog.

Egg Mobile

The Egg Mobile, also known as the Egg-o-matic and Eggpod, is a vehicle designed by Dr. Eggman that can travel, combine with machines and weapons, and escape when his plans fail. Its first game appearance was in Sonic the Hedgehog.

Chemical Plant

The Chemical Plant Zone is a huge factory on Westside Island that creates different materials. After Dr. Eggman took over the plant, he used it for his own purposes, including creating the purple liquid, known as Mega Muck, which he used against Sonic & Tails. Sonic & Tails managed to defeat Eggman and free the plant from his control. After 6 months, the plant has been expanded throughout the island. Its first game appearance was in Sonic the Hedgehog 2.

Battleground City

This unknown City is an area that Sonic first fought against Infinite and lost. Afterwards, it became a battleground where it was attacked, destroyed, and overrun with Eggman's Badniks, including the Death Egg Robot Sentinels.

Death Egg

The Death Egg is a massive spaceship created by Dr. Eggman in the past to takeover the world. During the past 6 months, Dr. Eggman rebuilt it and filled its prison with members of the Resistance. .

Mystic Forest

The Mystic Jungle is an area of plants and ruins that Dr. Eggman converted into a casino and secret lab.

Metropolis

The original Metropolis was a city sized factory acting as a fortress for Dr. Eggman on Westside Island. During the past 6 months, Dr. Eggman created a brand new Metropolis in a new location, which acts as a new HQ for the Eggman Empire. .

Eggman Empire Fortress

An area past Metropolis that is located inside of a mountain crater.

Phantom Ruby

The Phantom Ruby is a powerful stone with unique powers. It first appeared in Classic Sonic's time, where it was discovered on Angel Island and transformed Dr. Eggman's Egg Robos into the HBH. After the clash in the Egg Reverie Zone, both the Phantom Ruby & Classic Sonic were transported to Modern Sonic's time. Its first game appearance was in Sonic Mania.