Phantasy Star Online 2

Phantasy Star Online 2 is a free-to-play online action role-playing game in the Phantasy Star series, developed and published by Sega. It was created as a successor to Phantasy Star Online and Phantasy Star Universe, Phantasy Star Online 2 features gameplay elements and aesthetics reminiscent of previous Phantasy Star games while incorporating a few unique twists on the formula. The first version was released for Windows in Japan in July 2012.

A PlayStation Vita version was released in February 2013, but shut down in September 2020. A PlayStation 4 version was released in April 2016. A spin-off/companion game, Phantasy Star Online 2 es was released for Android and iOS in 2014. A cloud version for Nintendo Switch, entitled Phantasy Star Online 2 Cloud was released in April 2018 and then on PC, released in December 2018. At E3 2019, it was announced that the game would be releasing outside of Asia for the first time on the Xbox One and Windows in early 2020.

A massive updated and separate "shared universe" game, Phantasy Star Online 2: New Genesis (Phantasy Star Online 2: New Genesis Cloud in the cloud version), was released on June 9, 2021. It was released for Windows, Xbox One and Xbox Series X/S worldwide, with the PlayStation 4 version releasing on August 31, 2022, and for Windows (download and cloud), Nintendo Switch (cloud) and PlayStation 4 in Japan. Although it was released nearly a decade after Phantasy Star Online 2 launch and is substantially different in gameplay, graphics, and content, the creators decided to not name it "Phantasy Star Online 3" or focus on creating a game with no backwards compatibility with PSO2 content in order to continue support for current players and to not split up the player-base between two different simultaneously available games.

The game is a commercial success, reported in 2021 to have made over 900 million dollars since its release in 2012.