As far as I know, this is the cheapest that the game has been available for (free) delivery thus far.
Experience the thrilling conclusion to Kat's mind-bending adventures as she chases the mystery of her origin across a huge new open world. Wield an arsenal of hard-hitting gravity-based attacks in three different gravity styles against powerful new enemies, unleash devastating tag-team attacks with Raven by your side, and ward off a new danger that threatens the world and the fabric of the universe itself.
Gravity Rush 2 is the sequel to the critically-acclaimed, gravity-shifting classic, developed exclusively for the PlayStation® 4 system by SIE WWS JAPAN Studio.
In a new story set just after the conclusion of the first game, Kat returns with her gravity-shifting partner Raven and the police officer Syd to investigate strange gravitational waves appearing over Hekseville. The next adventure for the gravity queen begins when Kat is swallowed by a gravity storm of unprecedented scale and taken to a remote mining village.
Separated from Dusty, the source of her gravity powers, Kat is forced to mine ore for the village to earn her keep along with Syd. However, they soon face the dangerous Scarabs lurking near the storms - a new breed of Nevi that threatens Kat and the village...