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Alternative Titles

Japanese: .hack//Quantum


Type: OVA
Episodes: 3
Status: Finished Airing
Aired: Jan 28, 2011 to Apr 7, 2011
Licensors: Funimation
Studios: Kinema Citrus
Source: Original
Genres: ActionAction, AdventureAdventure, FantasyFantasy
Theme: Video GameVideo Game
Duration: 26 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 7.121 (scored by 1978919,789 users)
1 indicates a weighted score.
Ranked: #37212
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #3481
Members: 40,887
Favorites: 71

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Streaming Platforms

Ranked #3721Popularity #3481Members 40,887
Add to My List
Episodes: /3


Tobias, Mary, and Sakuya challenge the impregnable "The One Sin", but they lose their way in the maze and unintentionally trap other guild members. A mysterious cat is watching their blunder. Is it another player character or NPC?


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Episode Videos

Related Anime

Characters & Voice Actors






Honna, Youko


Namikawa, Daisuke


Iwasaki, Masami


Usui, Hisato
Fukura, Kei
Assistant Producer


Opening Theme

Apple Music
Amazon Music
Youtube Music
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Ending Theme

"雫 -Shizuku-" by Yuuka Nanri


Jul 25, 2011
I've been a fan of the .hack franchise for quite a long time. I came to it through .hack//Sign in high school and followed it into the games, exploring the other animes as they came out. So when I heard the announcement for .hack//Quantum I was very excited, but after the initial character design shots I was skeptical. Female characters of both Kite and Balmung, to me, screams unnecessary and pandering to fanboys; and adding a character whose literally Blackrose with a different hairstyle really annoyed me as it seemed extremely pointless and lazy. However I eventually downloaded them and sat down one evening to ...
Mar 12, 2013
Having followed .hack since the days of .hack//SIGN it's pretty safe to say I'm quite the fan of the franchise. I've seen every anime installment out there and I was actually excited for this. While mixed feelings of Kinmea Citrus taking over from longtime.hack// animation house Bee Train I was wondering how a new studio would take a new anime and I can say it's a fun and entertaining watch sure to be accessible to newcomers but may be a bit of a turn off for longtime watchers for my self.

Animation and art wise Quantum was certainly sporting production values lacking from some previous installments ...
Apr 10, 2012
Mixed Feelings
The existence of .Hack//Quantum immediately brings up the question: How many damn times will Namco Bandai rehash the same story in the same franchise?

STORY: Once upon a time, there was a video game company that made a really popular online game called The World (Though in the real world, the game that is housed within the game has a very questionable popularity, as in does anyone really care for .hack anymore?), the game was an incredibly flawed game where hacking is the only way to do any cool shit, and strange phenomenons that cause people in real life fall unconscious into a coma like state, ...

Interest Stacks


Recent News

FUNimation Entertainment Acquires Guilty Crown and .hack//Quantum

According to their official press releases, FUNimation has licensed Guilty Crown and .hack//Quantum. FUNimation will stream Guilty Crown as it airs in Japan and rele...read more

Staff of FREEDOM Produce New OVA Koisento

According to the official website, Bandai Visual's three new OVAs were announced to be premiered at Anime Fes. VS to be held on November 27th. The fourth title ...read more

Recent Forum Discussion

This anime is above average
W3TFT - Feb 23, 2022
0 repliesby W3TFT »»
Feb 23, 2022 7:04 PM
Poll: .hack//Quantum Episode 3 Discussion
tsubasalover - Apr 7, 2011
45 repliesby RafaelDeJongh »»
Oct 2, 2020 11:14 PM
Poll: .hack//Quantum Episode 1 Discussion ( 1 2 )
tsubasalover - Jan 29, 2011
51 repliesby zetsu_shoren »»
Mar 19, 2016 1:09 PM
Poll: .hack//Quantum Episode 2 Discussion
tsubasalover - Feb 25, 2011
19 repliesby haydnwright »»
Nov 9, 2014 8:54 AM
Photo-senso thing !?
gargS - Apr 21, 2013
0 repliesby gargS »»
Apr 21, 2013 12:44 AM

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by samcook