Kidou Senshi Gundam: Giren no Yabou - Kouryaku Shireisho

Kidou Senshi Gundam: Gihren no Yabou - Kouryaku Shireisho is an update to Kidou Senshi Gundam: Gihren no Yabou. It is an "append disc" (also known as an expansion), thus relies on a copy of Gihren no Yabou to function.