Gungrave: Overdose is a third-person action game with elements of an anime or manga game from the masters from the studio Ikusabune Co., Ltd.. The game is published by Red Entertainment Corporation. Gungrave O.D. is an alternate title for Gungrave: Overdose. For some reason the game has not yet been released on PC. Gungrave: Overdose is definitely not worth your attention. Her grades are below par. Would you dare to play?