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Major

Major events feature their own operations and stories/interludes, and are distinct in that they tend to feature much more robust event stores, and introduce new "tilesets" with some exceptions (notably Operation Originium Dust and A Walk in the Dust which reuses the "Sargon Desert" tileset due to being set in the eponymous region) as well as new enemies and mechanics. The stories/interludes of major events are always unlocked in sequence, and is tied to the operations themselves; the major event's plot are usually contained within the main operations, though some are also included in the extra operations.

All major events will receive a rerun (known in the CN server as retrospection) at a later date following the event's release.

As of A Walk in the Dust, major events are grouped into two categories and their operations become available to play permanently after release, with some restrictions (see Event operations § Major).

Intermezzi

Intermezzi.png

Intermezzo (plural Intermezzi, which is used in-game) events have plot points and/or elements that are tied to the Main Theme, usually by providing background information and/or elaborating on certain characters involved.

Event Release/rerun dates
CN Global TW
EN Darknights Memoir banner.png
2020/4/21
2021/4/30
2020/12/10
2021/9/7
2021/5/13
2021/12/19
EN A Walk in the Dust banner.png
2021/4/15
2022/3/29
2021/9/30 2022/1/11
EN Under Tides banner.png
2021/5/1
2022/5/30
2021/10/21 2022/1/26
CN Stultifera Navis banner.png
2022/5/1 TBA

Side Stories

Side Story.png

Side Story events serve as additional narrative to the plot of Arknights, which is separate to the Main Theme although some are loosely tied.

Event Release/rerun dates
CN Global TW
EN Grani and the Knights' Treasure banner.png
2019/5/30
2020/10/1
2020/2/5
2020/11/26
2020/7/23
2021/4/29
EN Heart of Surging Flame banner.png
2019/8/27
2020/8/11
2020/4/29
2021/1/20
2020/10/14
2021/6/10
EN Code of Brawl banner.png
2019/11/19
2020/12/1
2020/5/27
2021/5/14
2020/11/19
2021/10/14
EN Twilight of Wolumonde banner.png
2020/7/9
2021/6/27
2020/10/28
2021/12/17
2021/4/1
2022/3/22
EN Gavial the Great Chief Returns banner.png
2020/8/25
2021/7/20
2021/2/25
2022/2/4
2021/6/21
2022/4/26
EN Maria Nearl event banner.png
2020/10/15
2021/10/1
2021/4/8
2022/3/31
2021/8/12
2022/7/6
EN Mansfield Break banner.png
2020/12/17
2021/12/7
2021/6/22
2022/5/26
2021/10/28
EN Who is Real banner.png
2021/5/2
2022/1/10
2021/7/30
2022/7/14
2021/12/23
EN Operation Originium Dust banner.png
2021/3/9 2021/8/18 2021/9/9
EN Dossoles Holiday banner.png
2021/8/3 2022/1/14 2022/5/10
EN Near Light banner.png
2021/11/1 2022/4/28 2022/8/4
EN Break the Ice banner.png
2021/12/21 2022/6/30 TBA
EN Invitation to Wine banner.png
2022/1/25 2022/7/29
CN Guiding Ahead banner.png
2022/3/15 TBA
CN Lingering Echoes banner.png
2022/6/9
CN Dorothy's Vision banner.png
2022/7/5

Minor

Vignettes

Vignette events, formally known as Story Collections[1] and colloquially referred to as omnibus events by the CN and JP communities, are distinct by the fact that the event currency is acquired from all operations except those that do not cost Sanity.png Sanity and Annihilation. Vignettes reuse previously introduced content on their operations and do not add new content into the mix.

The other main feature of Vignettes, which give them the name, is the nature of their story content. Instead of unlocking a story related to the operations in sequence, Vignettes feature a menu with several interludes that can be unlocked in any order at the cost of one Information Fragment.png Information Fragment. The only medal given out by these events is for unlocking these interludes.

Vignettes have yet to be rerun, and it is likely that they will not be. However, as seen with Operational Intelligence, everything specific to the Vignette except the operations will be included to the Record Restoration system. It is yet unknown how this will affect other Vignettes, such as those that have an outfit as their main reward instead of an Operator.

Event Release dates
CN Global TW
EN Operational Intelligence banner.png
2019/10/15 2020/3/25 2020/9/10
EN Ancient Forge banner.png
2020/1/9 2020/7/29 2021/2/4
EN Stories of Afternoon banner.png
2020/2/25 2020/8/26 2021/1/21
EN Children of Ursus banner.png
2020/6/18 2020/9/29 2021/3/18
EN Rewinding Breeze banner.png
2020/9/24 2021/3/25 2021/7/29
EN Beyond Here banner.png
2021/1/5 2021/7/6 2021/11/11
EN Preluding Lights banner.png
2021/6/1 2021/12/9 2022/3/8
EN Vigilo banner.png
2021/7/13 2022/2/17 2022/4/16
EN Pinus Sylvestris event banner.png
2021/10/15 2022/4/14 2022/7/20
CN A Light Spark in Darkness banner.png
2022/2/15 TBA
CN To Be Continued banner.png
2022/7/19

Login

These events can be run during or separate from any other event, as they are "non-intrusive." The systems of login events differ from one another, but they are usually defined by giving out rewards for logging in several days in a row, or add temporary additional rewards to daily and weekly missions. The rewards for these events are typically simple materials and an outfit.

Commemorative

Commemorative events are released to celebrate the release of Main Theme episodes or other important dates. Commemorative events usually grants access to all Supply operations, like that of Contingency Contract, and often includes login events. They also give all operations that costs Sanity with the exception to Annihilation a special drop in form of Emergency Sanity Sampler.png Emergency Sanity Sampler or a box that contains various upgrade materials. The specific mechanics of commemorative events are subject to change on a per-event basis.

Four types of commemorative events always include a limited headhunting banner, but have different release dates in the CN and Global servers due to scheduling issues:

Type Details Includes
Celebration #1
  • [CN] Released to commemorate half-year anniversaries in early November.
  • [Global] Released in late April, around the same time as Japan observes the Golden Week holidays, and labeled Thank-You Celebration.
Near Light
Celebration #2
  • [CN] Released to commemorate yearly anniversaries in early May.
  • [Global] Released in late October, around the same time as the Western world observes Halloween. Under Tides, the first of the second Celebration events, are labeled Gift of the Deep Ones to highlight its connection with Aegir and the Seaborn; as Stultifera Navis is confirmed to be linked with Aegir and the Seaborn as well, it is highly likely that Global will adopt this labeling for all subsequent second Celebration events.
Festival
  • [CN] Released to commemorate the Chinese New Year in late January to early February.
  • [Global] Released to commemorate Global's half-year anniversaries in late July.
Carnival
  • [CN] Released to celebrate the peak of yearly summer around early August.
  • [Global] Released to commemorate Global's yearly anniversaries around early January starting from Dossoles Holiday. Interestingly, this means Global releases Carnival events that were supposedly summer-themed amidst winter in the Northern Hemisphere which is totally out-of-season, but not on the Southern Hemisphere.

Seasonal

Contingency Contract

Integrated Strategies

Other

Collaborations/crossovers

Simply said, a crossover event is the one in which Arknights will make a special collaboration with other franchises/organizations. The following list shows the crossover events in Arknights and with which the game collaborates:

Collaboration (with) Release dates
CN Global TW
KFC Collaboration (Kentucky Fried Chicken) 2019/11/11 Never
EN Coexistence banner.png
2020/3/3 2021/5/19 Never
EN Operation Originium Dust banner.png
See Side Stories
I.T outfits Preluding Lights
EN Display of Auspices banner.png
2022/8/10 2022/7/14 TBA

The following collaboration is the other way round where the particular franchise/organization collabs with Arknights:

Miscellaneous

These events, such as the roguelike mode Integrated Strategies and the cooperative mode Multivariate Cooperation are unique special events tend to be run alongside major events. They are new game modes and content types that do not follow the typical Arknights event formula, and work with their own rules. These, similar to Contingency Contract, do not cost Sanity (as they are run alongside events that do).

The only exception to this rule is Hymnoi Wisdom, which does feature stages that cost Sanity, and was run separately from any other event, but does not fall within the purview of typical Arknights events.

References

  1. Operational Intelligence's event banner in the Global server states that the said event is part of the "Vignette series," but later events are stated to be part of "Story Collection" instead. The Arknights Wiki will use "Vignette" when referring to the events for the sake of simplicity and familiarity.
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