Aggressive Inline
Unlock All Characters
Go to the options menu and select the cheats screen. Then, enter the following: Down, Right, Right, Down, Left, Down, Left, Down, Right, Right, Right.
Unlock All Keys
Go to the options menu and select the cheats screen. Then, enter the following: SKELETON.
Juice Bar Always Full
Go to the options menu and select the cheats screen. Then, enter the following: BAKABAKA.
Low Gravity Wallrides
Go to the options menu and select the cheats screen. Then, enter the following: Up, Down, Up, Down, Left, Right, Left, Right, ABABS.
Super Spin
Go to the options menu and select the cheats screen. Then, enter the following: Left, Left, Left, Left, Right, Right, Right, Right, Left, Right, Left, Right, Up.
The database at Game Oak contains more information regarding Aggressive Inline for Sony PlayStation 2.