真(チェンジ!!)ゲッターロボ クレーターバトル

Set during the Moon Wars seen in Getter Robo Armageddon's prologue, and its homonymous radio drama. This chapter sees the original Getter Team fighting the Invaders in the last day of the Moon Wars. Originally published as a bonus chapter in Getter Robo Armageddon's Visual Book and also as a bonus chapter in Shin Getter Robo's volume release.