Phantasy Star IV: The End of the Millennium is a 1993 role-playing video game developed and published by Sega for the Sega Genesis. The fourth main installment in the Phantasy Star series, it is the final title in the original tetralogy and is currently the last traditional role-playing game in the franchise. The game's plot follows the hunters Alys and Chaz, as well as their traveling party, attempting to stop an ecological crisis from destroying their solar system. Phantasy Star IV kept many of the gameplay elements of the previous game, including turn-based battles, overhead exploration, and magic spells. It received positive reviews and has been listed among the greatest video games of all time.