Sonic Pocket Adventure
|Aquatic Relix Zone|
Aquatic Relix Zone
Sonic Pocket Adventure (First and only appearance)
Ancient ruins submerged in a watery landscape.
|Number of acts||
It is an 8-bit conversion of Sonic the Hedgehog 2's Aquatic Ruin Zone, with only minor variations in the level layout. This zone, and Secret Plant, are the only levels in the game which feature underwater sections. At the end, Sonic falls down to find Knuckles the Echidna, who initiates a duel.