The Xbox Live Arcade (XBLA) release of is a high-definition remaster of the 1996 Sega Saturn classic, designed to bring its unique "aerial adventure" gameplay to modern displays. On a JTAG/RGH modded console , this title can be installed as a digital "Arcade" package to bypass the now-closed Xbox 360 marketplace. Key Features of the XBLA Remaster Arcade: NiGHTS into dreams... - Xbox Wire
So while most people remember Nights as a Saturn curiosity or a PC port, a small group knows the truth: the definitive version sleeps on millions of dead Xbox 360 hard drives—waking only on machines that were never truly meant to run it.
The remaster was generally well-received by critics and fans.