Overview: Event
| Event | Overview | Trivia |
In Arknights, events are more than temporary instances where players can claim various rewards, as many of them introduce additional content to the game that further expands Arknights' gameplay and/or setting, often including information and covering subjects that are not elaborated in the Main Theme.
Based on the scale, events can be divided into major events, minor events, commemorative events, and seasonal events.
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
Intermezzo (plural Intermezzi, which is used in-game) events serve as additional narratives which expands the details surrounding important subjects in the Arknights storyline and worldbuilding.
| Event | Release/rerun dates | ||
|---|---|---|---|
| CN | Global | TW | |
|
2020/4/21 2021/4/30 |
2020/12/10 2021/9/7 |
2021/5/13 2021/12/19 |
|
2021/4/15 2022/3/29 |
2021/9/30 2022/10/4 |
2022/1/11 2022/12/15 |
|
2021/5/1 2022/5/30 |
2021/10/21 2022/11/25 |
2022/1/26 2023/2/23 |
|
2022/5/1 2023/4/20 |
2022/11/3 2023/11/28 |
2023/1/31 2024/3/7 |
|
2023/5/1 | 2023/11/7 | 2024/3/19 |
|
2024/4/11 | TBA | TBA |
Side Stories
Side Story events serve as additional, often self-contained narratives independent to the Arknights storyline.
| Event | Release/rerun dates | ||
|---|---|---|---|
| CN | Global | TW | |
|
2019/5/30 2020/10/1 |
2020/2/5 2020/11/26 |
2020/7/23 2021/4/29 |
|
2019/8/27 2020/8/11 |
2020/4/29 2021/1/20 |
2020/10/14 2021/6/10 |
|
2019/11/19 2020/12/1 |
2020/5/27 2021/5/14 |
2020/11/19 2021/10/14 |
|
2020/7/9 2021/6/27 |
2020/10/28 2021/12/17 |
2021/4/1 2022/3/22 |
|
2020/8/25 2021/7/20 |
2021/2/25 2022/2/4 |
2021/6/21 2022/4/26 |
|
2020/10/15 2021/10/1 |
2021/4/8 2022/3/31 |
2021/8/12 2022/7/6 |
|
2020/12/17 2021/12/7 |
2021/6/22 2022/5/26 |
2021/10/28 2022/9/14 |
|
2021/5/2 2022/1/10 |
2021/7/30 2022/7/14 |
2021/12/23 2022/10/13 |
|
2021/3/9 2024/3/21 |
2021/8/18 | 2021/9/9 |
|
2021/8/3 2022/7/6 |
2022/1/14 2023/2/28 |
2022/5/10 2023/5/4 |
|
2021/11/1 2022/9/22 |
2022/4/28 2023/4/14 |
2022/8/4 2022/5/30 |
|
2021/12/21 2022/12/1 |
2022/6/30 2023/6/13 |
2022/9/29 2023/8/29 |
|
2022/1/25 2023/1/1 |
2022/7/29 2023/8/11 |
2022/10/27 2023/11/2 |
|
2022/3/15 2023/2/21 |
2022/9/16 2023/9/21 |
2022/12/29 2024/2/6 |
|
2022/6/9 2023/6/20 |
2022/12/27 2024/1/5 |
2023/3/28 2024/5/14 |
|
2022/7/5 2023/7/18 |
2023/3/14 2024/3/5 |
2023/4/13 |
|
2022/8/11 2023/8/31 |
2023/1/13 2024/2/6 |
2023/6/20 2024/5/24 |
|
2022/11/1 2023/10/22 |
2023/5/23 2024/5/23 |
2023/9/12 |
|
2022/12/15 2023/12/22 |
2023/7/13 | 2023/10/19 |
|
2023/1/17 | 2023/7/28 | 2023/11/21 |
|
2023/3/7 | 2023/9/7 | 2023/12/12 |
|
2023/6/8 | 2023/12/21 | 2024/4/25 |
|
2023/8/1 | 2024/1/16 | TBA |
|
2023/9/5 | 2024/3/19 | TBA |
|
2023/11/1 | 2024/4/30 | TBA |
|
2023/12/5 | TBA | TBA |
|
2024/2/1 | TBA | TBA |
|
2024/3/7 | TBA | TBA |
Minor
Vignettes
Vignette events, officially Story Collections[1] and colloquially called omnibus events by the CN and JP communities, are a collection of short stories. Up until Preluding Lights, Vignette stories are self-contained and unrelated or loosely related to each other; from Vigilo onwards (with the exception of To Be Continued), they form an overarching narrative like Intermezzi and Side Stories.
Vignettes are distinct by the fact that the event currency is acquired from all operations except those that do not cost 
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. The only medal given out by these events is for unlocking these interludes.
Vignettes are never rerunned, but everything specific to the event except the operations will be included to the Record Restoration system over time.
| Event | Release dates | ||
|---|---|---|---|
| CN | Global | TW | |
|
2019/10/15 | 2020/3/25 | 2020/9/10 |
|
2020/1/9 | 2020/7/29 | 2021/2/4 |
|
2020/2/25 | 2020/8/26 | 2021/1/21 |
|
2020/6/18 | 2020/9/29 | 2021/3/18 |
|
2020/9/24 | 2021/3/25 | 2021/7/29 |
|
2021/1/5 | 2021/7/6 | 2021/11/11 |
|
2021/6/1 | 2021/12/9 | 2022/3/8 |
|
2021/7/13 | 2022/2/17 | 2022/4/16 |
|
2021/10/15 | 2022/4/14 | 2022/7/20 |
|
2022/2/15 | 2022/8/18 | 2022/11/17 |
|
2022/7/19 | 2023/2/17 | 2023/4/27 |
|
2022/9/8 | 2023/3/31 | 2023/5/16 |
|
2022/9/15 | 2023/4/7 | 2023/6/13 |
|
2023/2/14 | 2023/8/22 | 2024/1/9 |
|
2023/7/6 | 2024/2/27 | TBA |
|
2024/1/9 | TBA | TBA |
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 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 different servers due to scheduling issues:
| Type | Details | Includes |
|---|---|---|
| Celebration #1 |
|
|
| Festival |
|
|
| Celebration #2 |
|
|
| Carnival |
|
Interestingly, the release dates of events featuring limited headhunting banners in all three Arknights servers are closely aligned to each other since Dossoles Holiday in Global and Near Light in TW, as shown in the table below. This is most likely intentional from Hypergryph and the respective publishers' part in order for limited banners (though not necessarily of the same category) to be released nearly simultaneously in all three Arknights servers.
| Server/time | January–February | April–May | July–August | October–November |
|---|---|---|---|---|
| CN | Festival | 2nd Celebration | Carnival | 1st Celebration |
| Global | Carnival | 1st Celebration | Festival | 2nd Celebration |
| TW | 2nd Celebration | Carnival | 1st Celebration | Festival |
Seasonal
Contingency Contract
- Main article: Contingency Contract
- Main article: Trials for Navigator
Other
Collaborations/crossovers
Simply said, a crossover event is the one in which Arknights will make a special collaboration with other franchises/organizations. Not all crossovers are available in every Arknights servers however; due to covering a lot of countries across the world, some crossovers, particularly those involving real-world interactions and those legally impossible in certain countries, are never held in the EN server.
| Collaboration (with) | Release dates | ||
|---|---|---|---|
| CN | Global | TW | |
|
2019/11/11 | (JP only) Spring 2024 |
|
|
2020/3/3 | 2021/5/19 | 2021/5/19 |
|
|
See Side Stories | ||
| Preluding Lights | |||
|
Concurrent with Who is Real Rerun | ||
|
|
See Vignettes | ||
|
|
See Side Stories | ||
|
2023/6/29 |
|
|
Chinese National Geography outfits
|
Come Catastrophes or Wakes of Vultures | ||
Operation Lucent Arrowhead (Tom Clancy's Rainbow Six Siege)
|
See Side Stories | ||
Untitled (Sanrio Family)
|
TBA | ||
Untitled (Delicious in Dungeon)
|
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: Defence Protocols 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 Interlocking Competition: 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
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