Accel World vs. Sword Art Online: Millennium Twilight Timeline ( Real )

announcement
March 3, 2016

Announcement of Accel World vs. Sword Art Online: Millennium Twilight

Bandai Namco announced the crossover video game combining the Accel World and Sword Art Online series.

release
October 27, 2016

Release of Accel World vs. Sword Art Online: Millennium Twilight in Japan

The game was officially released for PlayStation 4 and PlayStation Vita in Japan.

release
November 1, 2016

Western Release of Accel World vs. Sword Art Online: Millennium Twilight

The game became available in North America and Europe on PlayStation 4.

Accel World vs. Sword Art Online: Millennium Twilight Timeline ( Fictional )

event_merge
2026-04-15

Virtual Worlds Merge

The barriers between the Accelerated World and Sword Art Online universe begin to weaken, leading to the merging of both virtual realities within the game world.

character_event
2026-04-20

First Encounter of Protagonists

Haruyuki Arita (Accel World) and Kirito (SAO) meet for the first time in the merged world, beginning their cooperative journey to resolve the reality blend issue.

conflict_event
2026-05-15

Appearance of Corruption Entities

Dark entities appear in the merged realm, causing disruptions and threatening the existence of both virtual worlds.

discovery
2026-06-05

Discovery of Central Core

The united players find that a central core at the heart of the merged world is the source of the reality crossover and corruption.

battle_event
2026-06-20

Battle for the Central Core

A massive battle ensues involving main characters from both universes to reclaim control and restore order to their respective worlds.

resolution
2026-07-01

Reset and Separation

Following the victory over the corruption entities, the merged worlds begin to separate, restoring balance but leaving lasting connections.