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Sword Art Online: Memory Defrag

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Logo of the Sword Art Online anime series

Sword Art Online is a light novel series written by Reki Kawahara and illustrated by abec. The story follows Kazuto "Kirito" Kirigaya after he gets trapped in the VRMMORPG Sword Art Online. The series and its spin-off, Sword Art Online Alternative: Gun Gale Online, have been adapted into several video games. Video game adaptations of Sword Art Online were first announced at a stage event at the Dengeki Bunko Autumn Festival 2011.[1] By March 2026, the Sword Art Online console games have cumulatively sold over 10 million units worldwide.[2]

Console games

Game Details
Sword Art Online: Infinity Moment

Original release date:[3]
  • JP: March 14, 2013
 Release years by system:
2013 – PlayStation Portable[3]
Notes:

Sword Art Online: Infinity Moment (ソードアート・オンライン -インフィニティ・モーメント-, Sōdo Āto Onrain: Infiniti Mōmento) was published by Namco Bandai Games for the PlayStation Portable.[4] The game follows an alternate storyline, in which a glitch causes Kirito and the other players to remain in Sword Art Online despite defeating Heathcliff, and players from other VMMORPGs such as Leafa and Sinon get sucked into the game themselves.[5]

Sword Art Online: Hollow Fragment

Original release dates:[6][7][8]
  • JP: April 24, 2014
  • TW: May 29, 2014
  • NA: August 19, 2014
  • EU: August 20, 2014
  • AU: August 20, 2014
 Release years by system:
2014 – PlayStation Vita[6]
2015 – PlayStation 4[9]
2018 – Windows[10]
Notes:

Sword Art Online: Hollow Fragment takes place in the same alternative storyline as Sword Art Online: Infinity Moment,[11] and it includes all content of "Floor Clearing" from that previous game[12] with the addition of new unexplored "Hollow Area" of Aincrad.[13] The protagonist Kirito fights a mysterious player who becomes one of the key characters in the game.[13] The game sold 145,029 physical retail copies within the first week of release in Japan, topping the Japanese software sales charts for that particular week.[14]

Sword Art Online: Lost Song

Original release dates:[15][16][17]
  • JP: March 26, 2015
  • SEA: May 12, 2015
  • EU: November 13, 2015
  • NA: November 17, 2015
 Release years by system:
2015 – PlayStation Vita, PlayStation 3, PlayStation 4[9][18]
2018 – Windows[19]
Notes:

Developed by Artdink,[20] the game is an open-world action RPG featuring an original storyline, set within Alfheim Online, where characters are able to fly.[21] The game sold 139,298 physical retail copies on the PlayStation Vita in addition to another 55,090 units on the PlayStation 3 within its first week of release in Japan, ranking second and sixth place respectively within the Japanese software sales charts for that particular week, narrowly behind Bloodborne taking the top spot.[22]

Sword Art Online: Hollow Realization

Original release dates:[23][24]
  • JP: October 27, 2016
  • WW: November 8, 2016
 Release years by system:
2016 – PlayStation Vita, PlayStation 4[25]
2017 – Windows[26]
2019 – Nintendo Switch[27]
Sword Art Online: The Beginning

Unreleased – N/A		 Notes:

A virtual reality massive multiplayer online game, Sword Art Online: The Beginning, was in development by Kadokawa and IBM Japan,[28] but was only a demo and will not be released as a full game.

Sword Art Online: Fatal Bullet

Original release dates:[29][30]
  • JP: February 8, 2018
  • WW: February 23, 2018
 Release years by system:
2018 – PlayStation 4, Xbox One, Windows[30]
2019 – Nintendo Switch[27]
Sword Art Online: Alicization Lycoris

Original release dates:[31]
  • JP: July 9, 2020
  • WW: July 10, 2020
 Release years by system:
2020 – PlayStation 4, Xbox One, Windows[31]
2022 – Nintendo Switch[32]
Notes:

A video game based in the Underworld of Project Alicization, Sword Art Online: Alicization Lycoris, was announced by Bandai Namco.[33] The game is also the first game in the franchise to faithfully follow the canon storyline in the initial stage, adapting from Alicization Beginning, volume 9, to Alicization Uniting, volume 14. Following that, the game features a different arc focusing on Medina Orthinanos. Originally, the game was going to be released in May 2020, but it was delayed to July 10, 2020, due to the COVID-19 pandemic.[31]

Sword Art Online: Last Recollection

Original release dates:[34]
  • JP: October 5, 2023
  • WW: October 6, 2023
 Release years by system:
2023 – PlayStation 4, PlayStation 5, Xbox One, Xbox Series X/S, Windows[34]
Notes:

Bandai Namco announced the video game Sword Art Online: Last Recollection in March 2023.[34] Reona performed the game's theme song, "VITA".[35]

Sword Art Online: Fractured Daydream

Original release dates:[36][37]
  • JP: October 3, 2024
  • WW: October 4, 2024
 Release years by system:
2024 – PlayStation 5, Xbox Series X/S, Nintendo Switch, Windows[36]
Notes:

In February 2024, a video game Sword Art Online: Fractured Daydream was announced.[38]

Echoes of Aincrad

Proposed release dates:[39]
  • JP: July 9, 2026
  • WW: July 10, 2026
 Proposed system release:
2026 – PlayStation 5, Xbox Series X/S, Windows[39]

Mobile games

Game Details
Sword Art Quest

Original release date:[40]
  • JP: May 21, 2012
 Release years by system:
2012 – Browser[41]
Notes:

The game was discontinued on February 6, 2015.[42]

SAO: Log Out

Original release date:[43]
 Release years by system:
2012 – Android[43]
Notes:

A paid Android game that users can download and play with characters from the series and obtain wallpapers from it.[43]

Sword Art Online: End World

Original release date:[44][45]
  • JP: February 28, 2013
 Release years by system:
2013 – Mobile
Notes:

The game achieved more than 1 million registered users upon its launch.[46] The game's service was discontinued in September 2017.

Sword Art Quest II

Original release date:[41][47]
  • JP: June 23, 2014
 Release years by system:
2014 – Android, iOS[47]
Notes:

It provides challenges to users to upgrade their characters to receive rewards.[48]

Sword Art Online: Code Register

Original release date:[49]
  • JP: November 28, 2014
 Release years by system:
2014 – Android, iOS[49]
Notes:

More than 3,000,000 users have downloaded the game.[50]

Sword Art Online: Progress Link

Original release date:[51]
  • JP: February 9, 2015
 Release years by system:
2015 – Browser[51]
Notes:

The game was discontinued on July 29, 2016.[52]

The Black Swordsman

Original release date:[53]
  • CHN: May 26, 2016
 Release years by system:
2016 – Android, iOS[53][54]
Notes:

The Black Swordsman (黒衣剣士; Chinese: 黑衣剑士) is a Chinese 3D role-playing game where the player can control 3D characters and experience Sword Art Online, Alfheim Online, and Gun Gale Online. It is developed by Yun Chang Game under Bandai Namco's supervision.[54] The game is being distributed and is operating under Bandai Namco Shanghai, Bandai Namco Entertainment and Qihoo 360 on Chinese platforms.[53][55] It is officially still in an "open beta" phase.[56]

Sword Art Online: Memory Defrag

Original release dates:[57][58]
  • JP: August 29, 2016
  • WW: January 24, 2017
 Release years by system:
2016 – Android, iOS[57]
Notes:

Featuring content from the anime series, Ordinal Scale, and some original shorts written for event characters, players are allowed to play solo and progress through the story, or join up with others online to farm special items, equipment, and materials.[59] Common events include ranked challenges against other players, floor clearing, character introductions and seasonal events. Players have the choice of spending real money to speed-up their progress.[60] However, the game was discontinued on August 30, 2021.[61] While Memory Defrag is delisted from the app stores, the game is still available to play via offline version of the app if the person downloaded the game before the termination date.

Sword Art Online: Integral Factor

Original release dates:[62][63]
  • JP: November 30, 2017
  • WW: March 28, 2018
 Release years by system:
2017 – Android, iOS[62]
2023 – Windows[64]
Notes:

Bandai Namco released the Sword Art Online: Integral Factor free-to-play MMORPG, created in conjunction with prolific mobile MMO developer Asobimo. It adapts the Aincrad arc starting from Floor 1 and gradually exploring every floor one-by-one. It allows playing as a player-created avatar.

Sword Art Online VR: Lovely Honey Days

Original release date:[65]
  • JP: October 5, 2018
 Release years by system:
2018 – Android, iOS[65]
Notes:

Bandai Namco Entertainment released the Sword Art Online VR: Lovely Honey Days mobile game in Japan. The game's first episode is free-to-play, while the second episode and so on can be purchased as additional content.[66]

Sword Art Online: Unleash Blading

Original release date:[67][68]
  • WW: November 20, 2019
 Release years by system:
2019 – Android, iOS[67]
Notes:

It was originally known as Sword Art Online: Alicization Blading in Japan and Sword Art Online: Alicization Rising Steel in the West.[67][68] In October 2021, the game was renamed to Sword Art Online: Unleash Blading.[69] It was discontinued on January 16, 2023.[70][68]

Sword Art Online: Black Swordsman Ace

Original release date:[71]
  • CHN: June 9, 2021 (open beta)
 Release years by system:
2021 – Android, iOS[71]
Notes:

The game was discontinued on February 28, 2024.[72]

Sword Art Online: Variant Showdown

Original release date:[73]
  • WW: November 24, 2022
 Release years by system:
2022 – Android, iOS[73]
Notes:

In the future it will feature a battle royale mode, a first for an SAO game.[74][75] It was re-released in December 2024 after undergoing maintenance due to major bugs. The game was discontinued on October 30, 2025.[76]

Arcade games

Game Details
Sword Art Online Arcade: Deep Explorer

Original release date:[77]
  • JP: March 19, 2019
 Release years by system:
2019 – Arcade
Notes:

It is an exploration action RPG that supports up to three players in online co-op and it is the first arcade game in the Sword Art Online series.[78][79]

Crossovers

Game Details
Dengeki Bunko: Fighting Climax

Original release dates:[80][81]
  • JP: March 18, 2014
  • NA: October 6, 2015
  • EU: October 6, 2015
 Release years by system:
2014 – Arcade, PlayStation Vita, PlayStation 3[80][82]
2015 – PlayStation 4[83]
Notes:

Kirito, Asuna, Leafa, Yuuki and SAO Alternative: Gun Gale Online protagonist LLENN appear in Dengeki Bunko: Fighting Climax, a fighting game by Sega featuring various characters from works published under the Dengeki Bunko imprint.[84][85][86]

Accel World vs. Sword Art Online

Original release dates:[87][88]
  • JP: March 16, 2017
  • WW: July 7, 2017
 Release years by system:
2017 – PlayStation Vita, PlayStation 4, Windows[87][89]
Notes:

The game is a crossover with Accel World and published by Bandai Namco Entertainment.[90]

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