Gaia Gate

From Sonic Retro

Gaia Gate
Hub level, Sonic Unleashed

Gaia Gates serve as the explorable hub areas in the PS2 and Wii versions of Sonic Unleashed. Talking to certain townsfolk in each village will earn the player a tablet, granting him or her access to that continent's Gaia Gate. From there the player can then enter a stage or find items hidden in each room of the Gaia Gate. Sun Tablets unlock day stages, Moon Tablets unlock night stages, and Planet Tablets unlock boss battles. To find hidden items such as extra lives and bonus missions, the player must have enough sun and moon medals to open a door in the Gaia Gate. Upon collecting all of the items in a room behind one of the doors, a small notification will appear onscreen.

Every Gaia Gate has its own theme corresponding to the continent it represents. The gates are all connected and the player can select another gate by stepping on one of the glowing pads in the room to the left of each gate. Apotos is the only Gaia Gate that doesn't cause Sonic to transform into the Werehog in the lobby area, while Eggmanland is the only continent that lacks a Gaia Gate entirely.

Sonic Unleashed
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Locations in the Sonic the Hedgehog Game Series
Islands   Christmas Island | South Island | West Side Island | Angel Island | Cocoa Island | Flicky Island | Prison Island | Onyx Island | Southern Island | Starfall Islands
Landmarks   Never Lake | Mt. Mobius | Emerald Shrine | Tails' Workshop | Babylon Garden | Gaia Gate
Regions / Nations   Eggman Empire | Station Square | Mystic Ruins | United Federation | Central City | Soleanna | Monopole | City | Mystic Jungle
Vessels   Death Egg | Death Egg II | Egg Carrier | Space Colony ARK | Eggman Fleet
Planets / Planetoids   Mobius | Little Planet | Black Comet | Interstellar Amusement Park | Lost Hex
Dimensions   Special Stage | Maginaryworld | Sol Dimension | Arabian Nights | Twilight Cage | Grand Kingdom | White Space