A new function implemented by ALO.
It was an innovative technology that reproduces the past.

However, this technology will show signs of sudden rage and combine the world with every player.
To deal with this mutation, Kirito has helped her hands with his old friends and enemies who once morned.

Beyond your memory - "Switch"!

The characters from the SAO series with a variety of roles are competing beyond memories.
Team up up to 20 players around the world and face the mighty enemies that you will be waiting for!

Story Mode
Enjoy the original story of this work and play alone offline mode.
As the story progresses, more characters can be used in each mode.

Co-Op quest.
This is an online play mode that can challenge 5 sets of 4 parties for 20 players.
Through party-specific attack areas, multi-party attack areas to attack the boss at the bottom of the map.
If the number of participants is not enough, the NPC will be replenished and will be sure to participate in 20 people.

Bosraid:
This is an online play-only mode that challenges up to 20 players with a giant boss and 5 parties
Raid Boss has a high strength and high attack, so you can adjust your gear and try it.
If the number of participants is not enough, the NPC will be replenished and will be sure to participate in 20 people.

Free Quest.
This is a dedicated mode for online play that allows you to explore a large map freely.
Join a party of up to 4 players with solo play and in-game friends.
Up to 20 players can play in one map.
Recommended for multiplay as it has a long time limit and can be played at your own pace.

Sprache; Japanese, English, Thai