21-en 21-en is a top-down strategy game with a mix of card and casino games from the developers at HVB Studio. The game is published by HVB. For some reason the game has... Read more About the game Buy the game Requirements Similar games Reviews and ratings Gallery Forum Release dates Quotes System Requirements 21-en 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.