Sega CD a partnership with Sony to develop its own CD-ROM peripheral for the Super NES. Commodore International released their CD-based CDTV multimedia system centered in early 1991, while long-in-waiting CD-i from Philips finally arrived towards the end of that year. Shortly after the release of the Genesis, Sega's Consumer Products Research and Development Labs led by manager Tomio Takami were tasked with creating a CD-ROM add-on for the system, which became the Sega CD. The Sega CD was originally intended to equal the capabilities of the TurboGrafx-CD, but with twice as much random-access memory (RAM), and sell for about JP¥20,000 (or
Philips CD-i Philips encouraged MS-DOS and console developers to create games, introduced a $250 peripheral with more memory and support for full-motion video, and added to new consoles a second controller port for multiplayer games. The attempts to develop a foothold in the games market were unsuccessful, as the system was designed strictly as a multimedia player and thus was under-powered compared to other gaming platforms on the market in most respects. Earlier CD-i games included entries in popular Nintendo franchises, although those games were not developed by Nintendo. Specifically, a "Mario" game (titled "Hotel Mario"), and three "Legend of Zelda" games