It is unknown if there were any other zoomers during this era, though given the A-Grav Zoomer's status as a 'prototype', coupled with the fact that the Metal Head Wars ensued not long after it was built, makes this possibility unlikely.

The precursor to the modern-day zoomer is the comparatively primitive A-Grav Zoomer, built by Keira in The Precursor Legacy. The less advanced hover engines are often referred to as 'A-Grav engines' with air cushion assist (see A-Grav Zoomer). Some zoomers, which have more advanced engines, use designated flight altitudes known as hover zones, although some zoomers are only elevated a few inches off the ground by air cushions and achieve greater height by means of ramps or gaining air. Zoomers are often equipped with headlights, steering assists, fins, and acceleration methods including propellers, jets, and anti-gravity engines. The first zoomer invented was the A-Grav Zoomer, designed by Keira shortly before and during The Precursor Legacy. They are personal vehicles that fly at a constant altitude above the ground and used for transportation in the same way a normal vehicle is employed. They often serve as the primary mode of transportation throughout the games, and differ in design and purpose. Zoomers are vehicles in the Jak and Daxter series.

City zoomer