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{{Quotation|The [[Newscaster]]|The New York Oracle wants to wish you and your loved ones a safe Maelstrom, and a joyous winter!}}

'''Seasonal events''' are temporary events in ''[[Deadlock]]'' to celebrate holidays.

== Halloween ==
The 2024 Halloween event ran from October 31 to November 7. The 2025 Halloween event ran from October 24 to November 12.

It added 4 Halloween masks for heroes and pumpkin models for boxes, statues and [[Denizens]]. The Halloween masks were randomized.

=== Gallery ===
<gallery>
File:Halloween Masks.png|Halloween masks
File:Halloween Masks Heroes.png|Heroes wearing Halloween masks
File:Halloween Mask Heroes 2.jpg|Heroes wearing Halloween masks
File:Halloween jungle.jpg|Halloween Jungle [[Denizen|Denizens]]
</gallery>

== Winter ==

=== 2025 ===
[[File:Winter 2025 souvenir.png|150px|thumb|right|Winter 2025 souvenir]]
The 2025 Winter event ran from December 15 to January 20.

During the event, all players received a unique [[Snowball]] item that could be leveled up by winning matches with different Heroes, which also unlocked ornaments for the Christmas tree in the [[Hideout]]. Players who participated in the Winter challenge also unlocked a souvenir above their fireplace in the [[Hideout]].

The [[Shopkeeper]] also received new holiday-themed lines for all heroes, and [[Drifter]] has holiday-themed songs when using Eternal Night.

=== 2024 ===
[[File:Christmas menu.png|thumb|2024 Winter main menu]]
The 2024 Winter event ran from December 17 to January 17.

It added a new main menu animation, remixed music for the menu and shops, and Winter-themed decorations in the streets, buildings, and [[Curiosity Shop]]. The [[Shopkeeper]] featured a Santa mask and unique lines. In addition, the [[Denizen|Denizens]] were modelled after snowmen. [[Dynamo]] and the [[Newscaster]] had unique holiday voice lines.

All the mainline [[Heroes]] received unique Winter skins, which could be unlocked by completing their respective challenge. A list of which skins were unlocked during the event can be seen in the "Showcase" tab in the player's profile, next to the "Match History" button.

==== Skin challenges ====
As the winter skin challenges weren't listed in-game or in patch notes, the challenges were discovered and shared by the player community over the duration of the event.

These challenges could be achieved only in a normal match or a labs match, not in a custom game or against bots. The conditions for each challenge must be completed in '''one match.'''

Winter skins were tracked in-game by a Santa hat icon in the main menu that showed how many skins had already been unlocked. Heroes with Winter skins had the Santa hat icon and a red background in the Heroes page.

The skins can be tested in sandbox mode or custom games (with cheats enabled) with the [[console commands]] <code>ent_fire player setbodygroup hat,1</code> and <code>ent_fire player setbodygroup xmas,1</code>.
{| class="wikitable"
!Hero
!Challenge
|-
|{{HeroIcon|Abrams}}
|Kill 5 enemies with melee last hits
|-
|{{HeroIcon|Bebop}}
|Reach 100 bomb stacks
|-
|{{HeroIcon|Dynamo}}
|Suck 3+ enemies with a single Singularity
|-
|{{HeroIcon|Grey Talon}}
|Deal 850+ spirit damage at once to one or more players, five times
|-
|{{HeroIcon|Haze}}
|Kill streak of 7 enemies
|-
|{{HeroIcon|Infernus}}
|Hit 3+ enemies at once with Concussive Combustion
|-
|{{HeroIcon|Ivy}}
|Silence 6 enemies total with T3 Air Drop bombs (McGinnis' turrets also seem to count as an enemy)
|-
|{{HeroIcon|Kelvin}}
|Capture 2+ allies and 2+ enemies at once with Frozen Shelter
|-
|{{HeroIcon|Lady Geist}}
|Do a Soul Exchange when you have less than 100 health
|-
|{{HeroIcon|Lash}}
|Affect 4+ total players with Death Slam (both hooked and slammed on enemies count)
|-
|{{HeroIcon|McGinnis}}
|Destroy 9 structures (Guardians/Walkers/Shrines/Patron)
|-
|{{HeroIcon|Mirage}}
|Get 3 Djinn's Mark kills
|-
|{{HeroIcon|Mo & Krill}}
|Use the Combo ability to get a kill or assist ("stack") on each player on the Enemy Team
|-
|{{HeroIcon|Paradox}}
|Kill 3 enemies while you're airborne
|-
|{{HeroIcon|Pocket}}
|Hit 4+ enemies at once with Affliction
|-
|{{HeroIcon|Seven}}
|Kill an enemy with Storm Cloud's thunderbolt
|-
|{{HeroIcon|Shiv}}
|Kill 3 enemies with Killing Blow
|-
|{{HeroIcon|Vindicta}}
|Kill 2 enemies in the same use of Flight* 
|-
|{{HeroIcon|Viscous}}
|Hit 3 enemies with one use of Goo Ball
|-
|{{HeroIcon|Warden}}
|Damage every enemy player with Binding Word at least once
|-
|{{HeroIcon|Wraith}}
|Throw 6 cards in 10 seconds or less
|-
|{{HeroIcon|Yamato}}
|Kill 2 enemies with one Shadow Transformation
|}
<nowiki>*</nowiki>Note: Vindicta's challenge can also be completed by killing an enemy while flying and then getting killed mid-flight, as the game seems to count the player's death as a kill.<ref>2024-12-21 - AbsoluteBreaker on Reddit.com/r/DeadlockTheGame - [https://www.reddit.com/r/DeadlockTheGame/comments/1hj97bc/vindictas_skin_unlocked_by_dying/ Vindicta's skin unlocked by... dying?]</ref> Getting killed may also work for Seven's challenge.

==== Gallery ====
<gallery>
File:Curiosity Shop winter.png|Winter Curiosity Shop
File:Winter jungle.png|Winter Jungle Denizens
File:Winter skins unlocked.png|All winter skins unlocked in the Heroes page
File:Abrams Winter.png|Abrams
File:Bebop winter.png|Bebop
File:Dynamo winter.png|Dynamo
File:Grey Talon winter.jpeg|Grey Talon
File:Haze winter.png|Haze
File:Kelvin winter.png|Kelvin
File:Lady Geist winter.jpg|Lady Geist
File:Lash winter.png|Lash
File:Infernus winter.png|Infernus
File:Ivy winter.png|Ivy
File:McGinnis winter.png|McGinnis
File:Mirage winter.png|Mirage
File:Mo and Krill winter.png|Mo & Krill
File:Paradox winter.png|Paradox
File:Pocket winter.png|Pocket
File:Seven winter.jpg|Seven
File:Shiv winter.png|Shiv
File:Vindicta winter.jpg|Vindicta
File:Viscous winter.png|Viscous
File:Warden winter.jpg|Warden
File:Wraith winter.png|Wraith
File:Yamato winter.png|Yamato
</gallery>

== April Fools ==
The 2026 April Fools day event enabled multiples of the same hero in a match.

== Trivia ==

* The Winter [[The Curiosity Shop|Curiosity Shop]] has a list of all the heroes who have been "nice" or "naughty". Only [[Lash]] is marked as naughty.

== References ==
[[Category:Gameplay]]
[[Category:Skins]]
[[Category:Events]]