A Rider Gauge (ライダーゲージ Raidā Gēji) is an energy meter on the chest armor plating of a . Its function is to act as a way for the user of a Gamer Driver to see how much damage they have taken. If the Gauge energy reaches its lowest point, an alarm klaxon will sound and the Gauge will flash. The Rider or Riders in question who are in this predicament must do one of three things: Genm Zombie Gamer Level X's Gauge is shown to be cracked and always emptied. In contrast, Ex-Aid Double Action Gamer Level X & XX has three Rider Gauges.