Philips CD-i were released: "", "" and "Zelda's Adventure". Nintendo and Philips had established an agreement to co-develop a CD-ROM enhancement for the Super Nintendo Entertainment System due to licensing disagreements with Nintendo's previous partner Sony (an agreement that produced a prototype console called the SNES-CD). While Philips and Nintendo never released such a CD-ROM add-on, Philips was still contractually allowed to continue using Nintendo characters. Applications were developed using authoring software produced by OptImage. This included OptImage's Balboa Runtime Libraries and MediaMogul. The second company that produced authoring software was Script Systems; they produced ABCD-I. Philips also released several versions of
CD-i games from The Legend of Zelda series out to independent studios, Philips subsequently used the characters to create three games for the CD-i, with Nintendo taking no part in their development except to give input on the look of the characters based on the artwork from Nintendo's original two titles and that of their respective instruction booklets. Philips insisted that the development studios utilize all aspects of the CD-i's capabilities including FMV, high-resolution graphics, and CD-quality music. Because the system had not been designed as a dedicated video game console, there were several technical limitations, such as laggy controls (especially for the standard infrared controller), and numerous