Viper BTR Viper BTR is a first-person action game with elements of strategy, anime/manga, adult game, card game and visual novel from Sogna studio. The main publisher of the... Read more About the game Buy the game Requirements Similar games Reviews and ratings Gallery Forum Release dates Quotes System Requirements Viper BTR This game does not list PC as a target platform.If the game is decided to be released on PC, the system requirements for it will appear on this page.