I saw posters with this "game" while playing digimon cyber sleuth, and I wonder if it's from some existing game, there are other posters like tekken (which I recognized) so I was wondering if it's from a real game. I tried googling it but google assumed it's from warhammer 40k or some other game called "brigandine" which seems to have a bit similar art, but the character or image doesn't seem to be from that game.