A popular japenese arcade game based on every single mobile suit or mobile armour from the series gundam duking it out and beating the shit out of one another. On November 20th 2008 an PlayStation Portable version was also released including Destiny Gundam.
Note: ( Gundams are giant japenese robots piloted by humans in most cases)
Later on Gundam VS Gundam NEXT (arcade) was released as an sequel to the series with more gundams and more maps.
Guy1: Wouldn't it be awesome if Wing Zero fought Freedom, Nu Gundam, and God gundam?
Guy2: You haven't played Gundam VS Gundam?
Guy1: Naw, I was ejaculating to gundam porn again.