: The process drains the Chaos Emeralds of their power and infects Sonic with Dark Gaia's energy. As a result, Sonic transforms into a "Werehog"—a stronger, slower, beast-like version of himself—whenever the sun sets.
: Sonic teams up with a mysterious, amnesiac creature named Chip (later revealed to be Light Gaia). Together, they travel across seven continents to find ancient Gaia Temples. Sonic Unleashed [NTSC][PAL][ISO]
: At each temple, Sonic must use the drained Chaos Emeralds to restore the world's fragments and eventually face Dark Gaia in a final battle to save the planet. Gameplay Split : The process drains the Chaos Emeralds of
: Classic high-speed platforming where Sonic uses his standard abilities. Together, they travel across seven continents to find
The story is experienced through two distinct gameplay styles reflected in the [NTSC] and [PAL] versions available via ISO/disc for consoles like the Xbox 360, PS3, Wii, and PS2:
Sonic Unleashed for Xbox 360 (GOD + DLC's) - Internet Archive