SEGA officially announced Phantasy Star Online 2, marking the beginning of its development and public recognition.
Phantasy Star Online 2 was officially released in Japan, making the game accessible to the Japanese audience.
The Guardians feature, a new gameplay element, was added to enhance online cooperative play.
SEGA announced plans to localize Phantasy Star Online 2 for English-speaking markets, expanding its global reach.
The game was launched on the Xbox One platform in Japan, broadening its accessibility.
SEGA announced a global version of Phantasy Star Online 2, aiming to bring the game to international audiences.
SEGA revealed Phantasy Star Online 2: New Genesis, a major update and overhaul to the original game.
The updated version, New Genesis, was launched worldwide, revitalizing the player base and introducing new gameplay features.
The Falspawn, malevolent creatures from another dimension, begin appearing throughout the galaxy, threatening all life.
The starship Oracle is launched, serving as the mobile base for the ARKS, an elite force tasked with combating interdimensional threats like the Falspawn.
The ARKS fleet expands significantly, deploying many support ships to combat Falspawn incursions on various planets.
ARKS members discover and begin exploration of the planet Halpha, a new frontier rich in resources but also inhabited by dangerous lifeforms.
A massive Falspawn assault is launched on the starship Oracle, marking a pivotal and intense battle that threatens the ARKS' central command.
The Xion team is formed as an elite ARKS squad specializing in rapid response to critical Falspawn outbreaks and special missions.
An experimental ARKS dimensional gate malfunctions, leading to a crisis where members become trapped in a sealed dimension filled with dangerous enemies.
ARKS researchers uncover ancient technology linked to the Profound Darkness, potentially holding the key to ending the Falspawn threat.
ARKS forces launch a decisive assault against the Profound Darkness, the ultimate threat behind the Falspawn, securing peace for the galaxy.
