A sentient computer network known as the Data Grid has begun to wage war on the Federation. In a last ditch effort to save humanity, the experimental fighter Scavenger 4 has been launched. Its mission: To track down and destroy the Data Grid's heavily armored control center: Scarab X.

Grab the controls and pilot the super-sonic Scavenger 4 on a desperate sortie. Blast your way through the Data Grid's defensive network blazing a trail through cities, between canyons, over glaciers and on to destroy the Scarab X