Yes! The manga series lasted for 12 volumes. It was licensed in the USA/Canada by Viz Media, in Japan by Kadokawa Shoten, in France by Génération Comics, in Germany by Planet Manga and in Taiwan by Taiwan Tohan Co., Ltd.
Yes! There are three video games, the first was released in 1996 on the Windows 3.x and Macintosh and the other two being released in 1998 for the Sony PlayStation.