Better lede. Should have been cleaned much sooner after it was written May 2024. I say "knowledgeable Assassins" to cover AC2/ACBH/ACV/etc entries by Shaun, who is a historian, and ACRV entries by Clay, who was not an academic
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{{Era|Technology}}
{{Era|Technology}}
{{Spoilerhd|18 February 2026|[[Assassin's Creed: Shadows]], [[Claws of Awaji]], and [[Valley of Memory]]}}<!-- Remove Shadows and CoA on 16 December 2025 -->
{{Spoilerhd|18 February 2026|[[Valley of Memory]]}}[[File:AC2 Database Menu.png|thumb|250px|Database menu of the Animus 2.0]]
[[File:AC2 Database Menu.png|thumb|250px|Database menu of the Animus 2.0]]
The '''database''' is a collection of informative articles that can be accessed by [[Animus]] or [[Helix]] device users. Typically—but not always—written by knowledgeable [[Assassins]],<ref name="AC2">''[[Assassin's Creed II]]''</ref><ref name="ACB">''[[Assassin's Creed: Brotherhood]]''</ref><ref name="ACRV">''[[Assassin's Creed: Revelations]]''</ref><ref name="ACS">''[[Assassin's Creed: Syndicate]]''</ref><ref name="Ripper">''Assassin's Creed: Syndicate – [[Jack the Ripper]]''</ref><ref name="ACV">''[[Assassin's Creed: Valhalla]]''</ref> these articles provide background information on people, locations, items, and events that users encountered while exploring an [[Animus host]]'s [[Genetic memory|genetic memories]]. When staff at the [[Templars|Templar]]-run subsidiary [[Abstergo Entertainment]] carelessly composed similar entries fraught with errors or their own interjections,<ref name="AC4">''[[Assassin's Creed IV: Black Flag]]''</ref><ref name="AC4Aveline">''Assassin's Creed IV: Black Flag – [[Aveline (DLC)|Aveline]]''</ref><ref name="ACRG">''[[Assassin's Creed: Rogue]]''</ref> the Assassins<ref name="ACU">''[[Assassin's Creed: Unity]]''</ref><ref name="DeadKings">''Assassin's Creed: Unity – [[Dead Kings]]''</ref> or their hacking collective ally [[Erudito]]<ref name="Liberation">''[[Assassin's Creed III: Liberation]]''</ref> occasionally hacked into the file to correct the inaccuracies.
The '''Database''' is a collection of informative articles that can be accessed by the users of [[Animus]] or [[Helix]] devices. These articles provide background information on people, locations, items, and events encountered during the exploration of [[Genetic memory|genetic memories]]. The information presented in the database entries is not always correct however; occasionally, the wrong year is noted for date of birth, such as [[Database: Vieri de' Pazzi|Vieri de' Pazzi]] and [[Database: Duncan Little|Duncan Little]]. Sometimes the entry is updated with new information as the session progresses as with [[Database: Pearl Attaway|Pearl Attaway]], or a [[Database: Lambeth Asylum (1888)|new entry]] is published as with [[Database: Lambeth Asylum (1868)|Lambeth Asylum]]. However, there are instances where the entry is left in error, for example [[Database: Kára|Kára]] or [[Database: Francia|Abbo Cernuus]].
In newer Animus and Helix models, the entries were dynamic, updated with new information as the users' sessions progressed or presenting entirely new entries for subjects seen again years later in a host's lifetime. Despite the various authors' best attempts at accuracy, though, they were not immune from mistakes, sometimes presenting incorrect dates of birth or leaving whole entries without updates.
==Animus 2.0==
==Animus 2.0==
[[File:ACB Database menu.png|thumb|250px|Database menu of the Animus 2.01]]
[[File:ACB Database menu.png|thumb|250px|Database menu of the Animus 2.01]]
The database was introduced in the Animus 2.0, a version of the device created by the [[Assassins|Assassin]] [[Rebecca Crane]]. The articles were created by [[Shaun Hastings]] and would become available when [[Desmond Miles]] happened upon a person or object of interest while exploring [[Ezio Auditore da Firenze]]'s memories, allowing him to find out more information about the entry's subject. Both Shaun and Rebecca could add comments or details of their own, including mentions of [[Glyphs]] and other important items of interest in the database.<ref name="AC2">''[[Assassin's Creed II]]''</ref><ref name="ACB">''[[Assassin's Creed: Brotherhood]]''</ref>
The database was introduced in the Animus 2.0, a version of the device created by the Assassin [[Rebecca Crane]]. The articles were created by [[Shaun Hastings]] and would become available when [[Desmond Miles]] happened upon a person or object of interest while exploring [[Ezio Auditore da Firenze]]'s memories, allowing him to find out more information about the entry's subject. Both Shaun and Rebecca could add comments or details of their own, including mentions of [[Glyphs]] and other important items of interest in the database.<ref name="AC2"/><ref name="ACB"/>
Most of the files were obtained from [[Abstergo Industries]], as they possessed better and larger archives, which Shaun frequently pointed out, although various databases commonly held incorrect information on birth years. For example, [[Francesco de' Pazzi]] and [[Vieri de' Pazzi]], who were father and son, were stated to have an age difference of 10 years.<ref name="AC2"/><ref name="ACB"/>
Most of the files were obtained from [[Abstergo Industries]], as they possessed better and larger archives, which Shaun frequently pointed out, although various databases commonly held incorrect information on birth years. For example, [[Francesco de' Pazzi]] and [[Vieri de' Pazzi]], who were father and son, were stated to have an age difference of 10 years.<ref name="AC2"/><ref name="ACB"/>
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|[[Database: Basilica di Massenzio|Basilica di Massenzio]]
|[[Database: Basilica di Massenzio|Basilica di Massenzio]]
|[[Database: Basilica di San Pietro|Basilica di San Pietro]]
|[[Database: Basilica di San Pietro|Basilica di San Pietro]]
|[[Database: Basilica di Santa Maria in Aracoeli|Basilica di Santa Maria in Aracoeli]]
|[[Database: Basilica di Santa Maria in Ara Coeli|Basilica di Santa Maria in Ara Coeli]]
|[[Database: Basilica Emilia|Basilica Emilia]]
|[[Database: Basilica Emilia|Basilica Emilia]]
|-
|-
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{| class="article-table sortable"
{| class="article-table sortable"
|[[Rifts]]
|[[Rifts]]
|[[The_Truth#The Miracle|The Miracle]]
|[[The Truth#The Miracle|The Miracle]]
|}</center>
|}</center>
|}
|}
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==Animus 2.03==
==Animus 2.03==
[[File:ACR Database Menu.png|thumb|250px|Database menu of the Animus 2.03]]
[[File:ACR Database Menu.png|thumb|250px|Database menu of the Animus 2.03]]
The database incorporated into the Animus 2.03 was created by the virtual construct of [[Clay Kaczmarek]], who took over Shaun's role when Desmond fell into a comatose state due to the events in the [[Colosseum Vault]]. As with the previous version, database entries became available when Desmond encountered the person, location, or object of interest they were about.<ref name="ACR">''[[Assassin's Creed: Revelations]]''</ref>
The database incorporated into the Animus 2.03 was created by the virtual construct of [[Clay Kaczmarek]], who took over Shaun's role when Desmond fell into a comatose state due to the events in the [[Colosseum Vault]]. As with the previous version, database entries became available when Desmond encountered the person, location, or object of interest they were about.<ref name="ACRV"/>
[[File:ACR TLA Database Menu.png|thumb|left|250px|Database menu of ''The Lost Archive'']]
[[File:ACR TLA Database Menu.png|thumb|left|250px|Database menu of ''The Lost Archive'']]
''[[The Lost Archive]]'', which contained some of Clay's own memories, could be accessed via the [[Black Room|Animus Island]]'s portals and contained its own database. It kept track of the [[decipher fragment]]s and letters collected by Desmond while reliving Clay's memories, as well as transcripts of voice logs.<ref name="TLA">''[[Assassin's Creed: Revelations]] – [[The Lost Archive]]''</ref>
''[[The Lost Archive]]'', which contained some of Clay's own memories, could be accessed via the [[Black Room|Animus Island]]'s portals and contained its own database. While Desmond relived these memories, the Island kept track of the [[decipher fragment]] logs and letters he collected, both of which he could read upon gathering them, and also tracked voice log transcripts, which he could view only after completing the [[The End Is Only the Beginning|first memory]].<ref name="TLA">''[[Assassin's Creed: Revelations]] – [[The Lost Archive]]''</ref>
The voice logs became available for viewing only after completing the [[The End Is Only the Beginning|first memory]], and the logs for the decipher fragments and letters by gathering them.<ref name="TLA" />
[[File:ACL Database.png|thumb|250px|Database menu of the Animus console]]
[[File:ACL Database.png|thumb|250px|Database menu of the Animus console]]
The database incorporated into the Animus console was created by [[Abstergo Entertainment]] employees. As ''[[Liberation]]'' was designed to cast the [[Templars]] in a more positive light, important information was frequently left out, misrepresented, or outright false. To counteract this, the hacking collective known as [[Erudito]] actively worked to re-introduce the truth into the game, allowing the player to view the information from an unbiased perspective. Curiously, the documents collected were found under "Inventory" rather than under "Database".<ref name="AC3L">''[[Assassin's Creed III: Liberation]]''</ref>
The database incorporated into the Animus console was created by Abstergo Entertainment employees. As ''[[Liberation]]'' was designed to cast the [[Templars]] in a more positive light, important information was frequently left out, misrepresented, or outright false. To counteract this, the hacking collective known as Erudito actively worked to re-introduce the truth into the game, allowing the player to view the information from an unbiased perspective. Curiously, the documents collected were found under "Inventory" rather than under "Database".<ref name="Liberation"/>
[[File:AC4 Database.png|thumb|250px|Database menu of the Animus Omega]]
[[File:AC4 Database.png|thumb|250px|Database menu of the Animus Omega]]
While the [[Abstergo Entertainment]] employee "[[Noob]]" explored [[Edward Kenway]]'s memories in 2013, they had access to a database incorporated into the Animus Omega that consisted of drafts written by other Abstergo employees. As such, the material within them was subject to change, with people such as [[Melanie Lemay]], [[Olivier Garneau]], and others frequently adding in remarks. There also was another document collection called "[[Noob's personal files|My files]]".<ref>''[[Assassin's Creed IV: Black Flag]]''</ref>
While the [[Abstergo Entertainment]] employee "[[Noob]]" explored [[Edward Kenway]]'s memories in 2013, they had access to a database incorporated into the Animus Omega that consisted of drafts written by other Abstergo employees. As such, the material within them was subject to change, with people such as [[Melanie Lemay]], [[Olivier Garneau]], and others frequently adding in remarks. There also was another document collection called "[[Noob's personal files|My files]]".<ref name="AC4"/>
A decade later, the [[Japanese Rite of the Templar Order|Japanese Templar]] and [[doctor]] [[Shimazu Sei]] added a database for her subject and Edward's descendant [[Noa Kim]] to read in the Animus while he relived his ancestor's memories in [[Southeast Asia]]. The database collected information about the people and locations encountered during Edward's journey, from any historical records that were available.<ref>''[[Assassin's Creed: Forgotten Temple]]'' – [[Assassin's Creed: Forgotten Temple Episode 26|Episode 26]]</ref>
A decade later, the [[Japanese Rite of the Templar Order|Japanese Templar]] and [[doctor]] [[Shimazu Sei]] added a database for her subject and Edward's descendant [[Noa Kim]] to read in the Animus while he relived his ancestor's memories in [[Southeast Asia]]. The database collected information about the people and locations encountered during Edward's journey, from any historical records that were available.<ref>''[[Assassin's Creed: Forgotten Temple]]'' – [[Assassin's Creed: Forgotten Temple Episode 26|Episode 26]]</ref>
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===Aveline de Grandpré, 1784===
===Aveline de Grandpré, 1784===
When Abstergo viewed more of [[Aveline de Grandpré]]'s memories from later in her life, the "database" consisted of a mere three entries once again using the Animus Omega system.<ref>''[[Assassin's Creed IV: Black Flag]] – [[Aveline (DLC)|Aveline]]''</ref>
When Abstergo viewed more of [[Aveline de Grandpré]]'s memories from later in her life, the "database" consisted of a mere three entries once again using the Animus Omega system.<ref name="AC4Aveline"/>
While the Abstergo employee "[[Numbskull]]" explored [[Shay Cormac]]'s genetic memories during the [[Seven Years' War]], they had access to a database incorporated in the Animus Omega through the Helix servers. Like the previous incarnation, there was another collection of files not under "database", but under [[Numbskull's personal files|"My files"]].<ref>''[[Assassin's Creed: Rogue]]''</ref>
While the Abstergo employee "[[Numbskull]]" explored [[Shay Cormac]]'s genetic memories during the [[Seven Years' War]], they had access to a database incorporated in the Animus Omega through the Helix servers. Like the previous incarnation, there was another collection of files not under "database", but under [[Numbskull's personal files|"My files"]].<ref name="ACRG"/>
Various databases were available through the [[Helix|Helix navigator]]. In addition to information about the subjects encountered in the simulation, the database could also collect digital documents collected from outside sources and could be edited from outside the servers,<ref name="ACU">''[[Assassin's Creed: Unity]]''</ref> as demonstrated by Shaun Hastings.<ref>''[[Assassin's Creed: Unity]]'' – [[Database: Welcome to the Database]]</ref> The Helix navigator database had many iterations with different subject matter depending on the time period simulated and the user.<ref name="ACCC">''[[Assassin's Creed Chronicles: China]]''</ref><ref name="ACCI">''[[Assassin's Creed Chronicles: India]]''</ref><ref name="ACCR">''[[Assassin's Creed Chronicles: Russia]]''</ref>
Various databases were available through the [[Helix|Helix navigator]]. In addition to information about the subjects encountered in the simulation, the database could also collect digital documents collected from outside sources and could be edited from outside the servers,<ref name="ACU"/> as demonstrated by Shaun Hastings.<ref>''[[Assassin's Creed: Unity]]'' – [[Database: Welcome to the Database]]</ref> The Helix navigator database had many iterations with different subject matter depending on the time period simulated and the user.<ref name="ACCC">''[[Assassin's Creed Chronicles: China]]''</ref><ref name="ACCI">''[[Assassin's Creed Chronicles: India]]''</ref><ref name="ACCR">''[[Assassin's Creed Chronicles: Russia]]''</ref>
===Revolutionary France===
===Revolutionary France===
While the [[Helix Initiate]] explored the memories of [[Arno Dorian]] during the [[French Revolution]]<ref name="ACU"/> and its immediate aftermath in [[Saint-Denis]],<ref>''[[Assassin's Creed: Unity]] – [[Dead Kings]]''</ref> the database had four main categories—Case files, People, Locations, and Misc—with all but the first category having subcategories, as seen below.
While the [[Helix Initiate]] explored the memories of [[Arno Dorian]] during the [[French Revolution]]<ref name="ACU"/> and its immediate aftermath in [[Saint-Denis]],<ref name="DeadKings"/> the database had four main categories—Case files, People, Locations, and Misc—with all but the first category having subcategories.
While the Helix Initiate explored the memories of [[Evie Frye|Evie]] and [[Jacob Frye]] during the [[Victorian era]], as well as Jacob's granddaughter [[Lydia Frye|Lydia]] during [[World War I]], the database consisted of five categories: People, Locations, Collectibles, Present Day, and Miscellaneous, with many subcategories as seen below.<ref>''[[Assassin's Creed: Syndicate]]''</ref> The categories remained the same when the Initiate ventured into both Evie and [[Jack the Ripper]]'s memories during the [[Whitechapel murders]] of 1888.<ref>''[[Assassin's Creed: Syndicate]] – [[Jack the Ripper (DLC)|Jack the Ripper]]''</ref>
While the Helix Initiate explored the memories of [[Evie Frye|Evie]] and [[Jacob Frye]] during the [[Victorian era]], as well as Jacob's granddaughter [[Lydia Frye|Lydia]] during [[World War I]], the database consisted of five categories: People, Locations, Collectibles, Present Day, and Miscellaneous, each with many subcategories.<ref name="ACS"/> The categories remained the same when the Initiate ventured into both Evie and [[Jack the Ripper]]'s memories during the [[Whitechapel murders]] of 1888.<ref name="Ripper"/>
When [[The Crew]] used a modified Animus and connected a series of hacked [[Brahman V.R.]] headsets to facilitate multi-user simulations, they could access a general-purpose database compiled by [[Abstergo Industries]].<ref>''[[Assassin's Creed Roleplaying Game]]''</ref>
When [[The Crew]] used a modified Animus and connected a series of hacked [[Brahman V.R.]] headsets to facilitate multi-user simulations, they could access a general-purpose database compiled by Abstergo Industries.<ref>''[[Assassin's Creed Roleplaying Game]]''</ref>
[[File:ACV_Database.jpg|thumb|250px|Database menu of the Animus HR-8.5]]
[[File:ACV_Database.jpg|thumb|250px|Database menu of the Animus HR-8.5]]
When [[Layla Hassan]] used her modified Animus HR-8.5 to explore the life of the [[Raven Clan]] member [[Eivor Varinsdottir]] during the [[Viking expansion]], she had access to a database referred to as the "Codex". Like past iterations, it was written by Shaun Hastings and also offered user-friendly Animus tutorials to help navigate the simulation.<ref name="ACV">''[[Assassin's Creed: Valhalla]]''</ref>
When [[Layla Hassan]] used her modified Animus HR-8.5 to explore the life of the [[Raven Clan]] member [[Eivor Varinsdottir]] during the [[Viking expansion]], she had access to a database referred to as the "Codex". Like past iterations, it was written by Shaun Hastings and also offered user-friendly Animus tutorials to help navigate the simulation.<ref name="ACV"/>
[[File:ACMir Database Menu.jpg|thumb|250px|Database menu for Basim's session]]
[[File:ACMir Database Menu.jpg|thumb|250px|Database menu for Basim's session]]
When [[William Miles]] had [[Basim Ibn Ishaq]]'s memories from his time in the [[Abbasid Caliphate]]'s capital of [[Baghdad]]<ref>''[[Assassin's Creed: Mirage]]''</ref> and the archaeological city of [[al-Ula]]<ref>''Assassin's Creed: Mirage – [[Valley of Memory]]''</ref> examined from his blood sample,<ref name="ACV"/> the Assassins had access to a "Codex" with a general-purpose database and another focused on each city's respective histories.
When [[William Miles]] had [[Basim ibn Ishaq]]'s memories from his time in the [[Abbasid Caliphate]]'s capital of [[Baghdad]]<ref>''[[Assassin's Creed: Mirage]]''</ref> and the archaeological city of [[al-Ula]]<ref>''Assassin's Creed: Mirage – [[Valley of Memory]]''</ref> examined from his blood sample,<ref name="ACV"/> the Assassins had access to a "Codex" with a general-purpose database and another focused on each city's respective histories.
This article contains spoilers, meaning it has information and facts concerning Valley of Memory. If you do not want to know about these events, it is recommended to read on with caution, or not at all.
This template should be removed from the article 18 February 2026.
Database menu of the Animus 2.0
The database is a collection of informative articles that can be accessed by Animus or Helix device users. Typically—but not always—written by knowledgeable Assassins,[1][2][3][4][5][6] these articles provide background information on people, locations, items, and events that users encountered while exploring an Animus host's genetic memories. When staff at the Templar-run subsidiary Abstergo Entertainment carelessly composed similar entries fraught with errors or their own interjections,[7][8][9] the Assassins[10][11] or their hacking collective ally Erudito[12] occasionally hacked into the file to correct the inaccuracies.
In newer Animus and Helix models, the entries were dynamic, updated with new information as the users' sessions progressed or presenting entirely new entries for subjects seen again years later in a host's lifetime. Despite the various authors' best attempts at accuracy, though, they were not immune from mistakes, sometimes presenting incorrect dates of birth or leaving whole entries without updates.
The database was introduced in the Animus 2.0, a version of the device created by the Assassin Rebecca Crane. The articles were created by Shaun Hastings and would become available when Desmond Miles happened upon a person or object of interest while exploring Ezio Auditore da Firenze's memories, allowing him to find out more information about the entry's subject. Both Shaun and Rebecca could add comments or details of their own, including mentions of Glyphs and other important items of interest in the database.[1][2]
Most of the files were obtained from Abstergo Industries, as they possessed better and larger archives, which Shaun frequently pointed out, although various databases commonly held incorrect information on birth years. For example, Francesco de' Pazzi and Vieri de' Pazzi, who were father and son, were stated to have an age difference of 10 years.[1][2]
The Animus 2.0 database entries were as listed below.
The database incorporated into the Animus 2.03 was created by the virtual construct of Clay Kaczmarek, who took over Shaun's role when Desmond fell into a comatose state due to the events in the Colosseum Vault. As with the previous version, database entries became available when Desmond encountered the person, location, or object of interest they were about.[3]
Database menu of The Lost Archive
The Lost Archive, which contained some of Clay's own memories, could be accessed via the Animus Island's portals and contained its own database. While Desmond relived these memories, the Island kept track of the decipher fragment logs and letters he collected, both of which he could read upon gathering them, and also tracked voice log transcripts, which he could view only after completing the first memory.[15]
The database incorporated into the Animus 3.0 was once more created by Shaun, who would frequently update entries with information learned while Desmond was exploring Haytham Kenway's and Ratonhnhaké:ton's memories. Information on the various tribes of Indigenous peoples was provided by a friend of Shaun, who believed the data was for a presentation. The database also included a folder on animals, describing their behavior and the various tactics that could be used to hunt them. Like the Animus 2.0 database, many files also came from Abstergo's larger records.[16]
The database incorporated into the Animus console was created by Abstergo Entertainment employees. As Liberation was designed to cast the Templars in a more positive light, important information was frequently left out, misrepresented, or outright false. To counteract this, the hacking collective known as Erudito actively worked to re-introduce the truth into the game, allowing the player to view the information from an unbiased perspective. Curiously, the documents collected were found under "Inventory" rather than under "Database".[12]
While the Abstergo Entertainment employee "Noob" explored Edward Kenway's memories in 2013, they had access to a database incorporated into the Animus Omega that consisted of drafts written by other Abstergo employees. As such, the material within them was subject to change, with people such as Melanie Lemay, Olivier Garneau, and others frequently adding in remarks. There also was another document collection called "My files".[7]
A decade later, the Japanese Templar and doctorShimazu Sei added a database for her subject and Edward's descendant Noa Kim to read in the Animus while he relived his ancestor's memories in Southeast Asia. The database collected information about the people and locations encountered during Edward's journey, from any historical records that were available.[17]
When Abstergo viewed more of Aveline de Grandpré's memories from later in her life, the "database" consisted of a mere three entries once again using the Animus Omega system.[8]
For Abstergo Entertainment's Identity Project,[19] its database was stylized after a Codex Scroll.[20] Unlike the Sample 17 Project, the entries for the Caribbean had no Abstergo employees' remarks and were unlocked by the public obtaining in-game achievements.[19] The project originally ran on the Mobile Helix Navigator,[21] but it later ran on the Animus Omega. It is unknown why some entries were later removed.[19]
While the Abstergo employee "Numbskull" explored Shay Cormac's genetic memories during the Seven Years' War, they had access to a database incorporated in the Animus Omega through the Helix servers. Like the previous incarnation, there was another collection of files not under "database", but under "My files".[9]
Various databases were available through the Helix navigator. In addition to information about the subjects encountered in the simulation, the database could also collect digital documents collected from outside sources and could be edited from outside the servers,[10] as demonstrated by Shaun Hastings.[22] The Helix navigator database had many iterations with different subject matter depending on the time period simulated and the user.[23][24][25]
While the Helix Initiate explored the memories of Arno Dorian during the French Revolution[10] and its immediate aftermath in Saint-Denis,[11] the database had four main categories—Case files, People, Locations, and Misc—with all but the first category having subcategories.
When Abstergo explored the memories of Shao Jun in Ming eraChina, the database consisted of three categories: people, locations, and documents. The latter category also contained entries about various items.[23]
While the Helix Initiate explored the memories of Evie and Jacob Frye during the Victorian era, as well as Jacob's granddaughter Lydia during World War I, the database consisted of five categories: People, Locations, Collectibles, Present Day, and Miscellaneous, each with many subcategories.[4] The categories remained the same when the Initiate ventured into both Evie and Jack the Ripper's memories during the Whitechapel murders of 1888.[5]
When The Crew used a modified Animus and connected a series of hacked Brahman V.R. headsets to facilitate multi-user simulations, they could access a general-purpose database compiled by Abstergo Industries.[26]
When Layla Hassan used her modified Animus HR-8.5 to explore the life of the Raven Clan member Eivor Varinsdottir during the Viking expansion, she had access to a database referred to as the "Codex". Like past iterations, it was written by Shaun Hastings and also offered user-friendly Animus tutorials to help navigate the simulation.[6]
When William Miles had Basim ibn Ishaq's memories from his time in the Abbasid Caliphate's capital of Baghdad[27] and the archaeological city of al-Ula[28] examined from his blood sample,[6] the Assassins had access to a "Codex" with a general-purpose database and another focused on each city's respective histories.
When an Assassin hacker used an Animus to explore the memories of Kassandra, Ezio Auditore, and Ratonhnhaké:ton stored in the Abstergo Cloud, they could access a general-purpose database.[29]
While a user interfaced with the Animus EGO that granted access to multiple memory streams, they also had access to a general-purpose database that Abstergo called the "Vault",[30] though this was separate from the "Codex" accessible while reliving Fujibayashi Naoe and Yasuke's memories in Sengoku eraJapan. This Codex was divided into the sections "Cultural Discovery" and "Database".
After the Second Disaster was averted on 21 December 2012, the hacker group Initiates began compiling database entries covering information known by the Assassins and Templars.[31]
Abstergo Entertainment's product Rebellion did not have a database section like their original title Liberation. Although a section existed that sought to shed light on the background of some of the characters, it was marked as "Bios".[32]
Later entries in the series refer to this feature as the Codex. This is a misnomer as a codex technically refers to a style of compiling manuscript pages bound along one edge, as in modern physical books, replacing the earlier rolled scroll format. As such a codex is an analogue method of storing information.