What's New

A few bugs fixed.

App Description

Sword Art Online: Memory Defrag is a free 2D anime adventure action RPG game inspired by classic arcade beat-em ups with simple intuitive one touch controls!

Experience the action RPG that contains every aspect of Sword Art Online as characters crossover from the manga, games, and side stories all in one epic anime adventure!

- Collect beloved characters such as Kirito, Sinon, Yuna, and LLenn and more daring sword fighters from the SAO manga and anime!
- Upgrade characters with unique weapons and equipment, such as the Elucidator and Dark Repulser swords!
- All new versions of beloved characters available only here!

- Tap to attack and unleash blistering combos!
- Swipe to dodge devastating attacks from terrifying floor bosses!
- Block & parry, then SWITCH! to finish your foes.

- Relive the classic arcs of the popular Japanese anime adventure and manga series as our heroes traverse the virtual MMO RPG of Sword Art Online!
- Experience virtual action-packed game adventures from outside of the anime such as Ordinal Scale and SAO Alternative: GGO!
- Explore all-new stories unique to SAO: Memory Defrag!

- Party up with friends and other players in LIVE co-op missions!
- Become a Healer, Attacker, or other traditional RPG roles and unleash devastating combo moves with your allies
- OR go lone wolf and fight to clear SAO in Solo mode
- Join a guild and work together to complete special quests for exciting rewards!

Guide Kirito and the Assault Team through the virtual RPG world of Sword Art Online, as they fight to clear 100 floors of Aincrad and free themselves from the death game! Gain new allies in Alfheim Online and battle to ascend the World Tree. Travel to the barren world of Gun Gale Online to stop the killer “Death Gun” before he strikes again!

What are you waiting for? The fate of the virtual world rests in your hands! LINK START!!!

BANDAI NAMCO Entertainment Inc. Website:

By downloading or installing this app, you agree to the BANDAI
NAMCO Entertainment Terms of Service.

Terms of Service:
Privacy Policy:

This game contains some items available for in-app purchase
that can enhance gameplay and speed up your progress. In-app
purchases can be disabled in your device settings, see
https://support.apple.com/en-us/HT201304 for more details.

This application is distributed under the official rights from the license holder.

iPhone Screenshots

(click to enlarge)

SWORD ART ONLINE:Memory Defrag screenshot 1 SWORD ART ONLINE:Memory Defrag screenshot 2 SWORD ART ONLINE:Memory Defrag screenshot 3 SWORD ART ONLINE:Memory Defrag screenshot 4 SWORD ART ONLINE:Memory Defrag screenshot 5

iPad Screenshots

(click to enlarge)

SWORD ART ONLINE:Memory Defrag screenshot 6 SWORD ART ONLINE:Memory Defrag screenshot 7 SWORD ART ONLINE:Memory Defrag screenshot 8 SWORD ART ONLINE:Memory Defrag screenshot 9 SWORD ART ONLINE:Memory Defrag screenshot 10

App Changes

  • January 26, 2017 Initial release
  • February 20, 2017 New version 1.9.0
  • March 22, 2017 New version 1.10.2
  • April 21, 2017 New version 1.12.1
  • June 01, 2017 New version 1.13.0
  • August 29, 2017 New version 1.16.1
  • June 14, 2019 New version 1.37.0
  • June 20, 2019 New version 1.38.0
  • August 17, 2019 New version 1.38.3
  • August 29, 2019 New version 1.39.0
  • September 24, 2019 New version 1.39.1
  • October 10, 2019 New version 1.39.2
  • November 19, 2019 New version 1.39.3
  • December 10, 2019 New version 1.39.5
  • December 17, 2019 New version 1.40.0
  • July 15, 2020 New version 1.42.5
  • October 23, 2020 New version 2.1.1
  • November 12, 2020 New version 2.1.3
  • December 10, 2020 New version 2.1.4
  • August 06, 2021 New version 2.6.1