Successfully complete the game under the easy difficulty setting as Aquaman.
Classic Aquaman has no Morphing Claw, which means some of his combo moves are
not available. However, he swims slightly faster and his telepathy call is
Tempest and Black Manta:
Successfully complete the game under the easy difficulty setting as Classic
Aquaman. Tempast (Aqualad) has less combos than either Aquaman or Classic
Aquaman, and no telepathy. However, he has an Ice Beam combo move. Black Manta
also has no telepathy power, but has the best combos in the game (some of which
require practice). The easiest move to use is the Heat Ray Beam attack or the
Grab Heat Ray attack.