GP Boost

GP Boost is a Item Box power-up that appears in Sonic Riders: Zero Gravity. When obtained, it replenishes a varied amount of Gravity Points to the rider's GP Gauge.

Description
In gameplay, when the player obtains GP Boost, the player's GP Gauge is seen refilling by its value that appears on its icon; the GP Gauge can be refilled with 30, 50, 100 or even up to maximum.

The player can obtain GP Boost at random by touching one of the Item Boxes that lie scattered across the racing course and there are some item boxes in some courses that is permanently set to GP Boost.