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Events appear for special occasions, such as holidays, and contain special missions that unlock unique characters (classified as "Special"). Completion of an event mission will reward the player with a random amount of cards for the Special character as well as cards for one random common character. Players must then wait 4 hours for a new mission to appear in order to unlock more cards for the unique character, or use Red Star Rings to unlock another mission immediately (the cost of this increases every time the player unlocks another mission unless those four hours are allowed to pass). Players have about one week to unlock each special character before the event ends and they become unobtainable.

Event History

Week of Witchcraft!

23 October 2018 - 30 October 2018

Vampire Frenzy!

31 October 2018 - 6 November 2018

Feathered Fury!

16 November 2018 - 24 November 2018

  • Character: Storm
  • Card Requirement: 60

Gotta Snow Fast!

3 December 2018 - 11 December 2018

Santa Big's Candy Cane Campaign

20 December 2018 - 30 December 2018

Special Event!

17 January 2019 - 22 January 2019

  • This event allowed players to earn cards for any Special character that was available in 2018.

A Blazing Lunar New Year!

28 January 2019 - 8 February 2019

Silver's Lantern Festival

14 February 2019 - 25 February 2019

Spring Icebreaker

4 March 2019 - 14 March 2019

  • Character: Chaos
  • Card Requirement: N/A

Special Event! (2)

19 March 2019 - 25 March 2019

  • This event allows players to earn cards for any Special character added prior to this event starting.

Feathered Fury! (2)

29 March 2019 - 8 April 2019

  • Character: Storm
  • Card Requirement: 60

Budding Companion - Take Root

15 April 2019 - 21 April 2019

Budding Companion - Egg Hunt

22 April 2019 - 28 April 2019

Special Event! (3)

3 May 2019 - 6 May 2019

  • This event allows players to earn cards for any Special character added prior to this event starting.

Kings of Carnage

KingsOfCarnage

10 May 2019 - 20 May 2019

  • Characters: Zavok and Zazz
  • Card Requirement: 30

Special Event! - 2018 Recap

24 May 2019 - 28 May 2019

Draft Challenge

3 June 2019 - 10 June 2019

  • This event assigns random players to either Team Sonic or Team Rose. The player has to complete various Missions to help increase the score for their team. The team standings are updated hourly. The Missions grant players Team chests with guaranteed Rare and Super Rare cards.

Bonus Stage!

13 June 2019 - 16 June 2019

  • This event allows players to earn Gold Rings.

Rivals League

20 June 2019 - 28 June 2019

  • Characters: Slugger Sonic/All-Star Amy
  • Card Requirement: 300
  • This event allows players to choose to play for either Team Sonic or Team Rose. Once the player chooses their team, they unlock the representative character of that team. The player has to complete various Missions to help increase the score for their team and work towards unlocking the other character. The team standings are updated hourly.

Sonic's Birthday

20 June 2019 - 28 June 2019

  • This event gives Celebration Chests to players who win battles containing guaranteed Specials in celebration of Sonic's birthday.

Extra Innings

28 June 2019 - 8 July 2019

  • Characters: Slugger Sonic/All-Star Amy
  • Card Requirement: 300
  • This event once again allows players to choose to play for either Team Sonic or Team Rose as a follow-up to the Rivals League Event. The player has to complete various Missions to help increase the score for their team and work towards unlocking the other character. This time, the Chests earned grant cards for both Slugger Sonic and All-Star Amy at the same time. The team standings are updated hourly.

Heavy Metal

12 July 2019 - 22 July 2019

Cabana Bash

26 July 2019 - 6 August 2019


Fireblossom Festival

9 August 2019 - 13 August 2019

Riptide Rave

16 August 2019 - 27 August 2019

  • Character: Tidal Wave
  • Card Requirement: 300
  • In this event, players accumulate points toward a certain point goal to receive free prizes (cards for Tropical Storm and Tidal Wave) in the store. They will earn 10x points if they play as Tropical Storm or Tidal Wave during battles. Later, on 22 August 2019, a goal was reached where players could also play as Sonic, Tails or Knuckles to earn bonus points.

Bonus Stage

30 August 2019 - 3 September 2019

  • In this event, battle chests award extra cards for players in tiers 1-6.
  • Rings have been added to battle chests during this event for players in tiers 4-10.
  • Victory chests open twice as fast during this event.


Heavy Metal Encore

HeavyMetalEncore

5 September 2019 - 9 September 2019


Solar Parade

NewCelebration

13 September 2019 - 18 September 2019

  • This event allows players to earn cards for any Special character added prior to this event starting.


Angel Island Cup

19 September 2019 - 30 September 2019

  • This event assigns random players to either Team Sonic or Team Dark. The player has to complete various Missions in Brawl Mode to help increase the score for their team. The team standings are updated hourly. The Missions grant players Team chests with guaranteed Rare and Super Rare cards.


Blizzard Blast

BlizzardBlast

3 October 2019 - 14 October 2019


Summer Sports Replay

SportsReplay

17 October 2019 - 21 October 2019

Grim Gala

23 October 2019 - 31 October 2019


Phantom Fête

PhantomFête

31 October 2019 - 8 November 2019


Masquerade Mayhem

MasqueradeMayhem

28 June 2019 - 8 July 2019

  • Characters: Vampire Shadow/Witch Rouge/Reaper Metal Sonic
  • Card Requirement: 300
  • This event allows players to choose to play for either Team Vampire Shadow or Team Witch Rouge. The player has to complete various Missions to help increase the score for their team and work towards collecting cards for that character, as well as Reaper Metal Sonic. In game, players increase the score by the amount of time they are in possession of the golden pumpkin.

Birthday Dash

20 November 2019 - 26 November 2019

Card Cache

CardCache

28 November 2019 - 4 December 2019

  • Characters: Blaze, Jet, Chaos and Shadow
  • Card Requirement: 60 (Blaze and Jet)/30 (Chaos and Shadow)


Kings of Carnage (3)

KingsOfCarnageDEC

4 November 2019 - 10 December 2019

  • Characters: Zavok and Zazz
  • Card Requirement: 30


Looks Can Kill

LooksCanKill

12 December 2019 - 23 December 2019

  • Characters: Zeena
  • Card Requirement: 30


Gotta Snow Fast! XXL

GottaSnowFast

23 December 2019 - 6 January 2020

  • Characters: Elf Classic Sonic and Santa Big
  • Card Requirement: 300
  • In this event, when rivals take damage, they drop Rings. Winning battles allow players to earn Celebration Chests for the event characters.


Sports Replay

NewYearSportsReplay

8 January 2020 - 13 January 2020


A Blazing Lunar New Year! (2)

BlazeLunarNewYear

15 January 2020 - 21 January 2020


Silver's Lantern Festival (2)

LanternFestival2

22 January 2020 - 29 January 2020


Racing into Theatres

SonicFilmSonicDashSonicBattle

31 January 2020 - 7 February 2020


Every Hero has a Genesis

UnlockBabySonic

7 February 2020 - 14 February 2020


Gold Ring Guardians

SonicForcesTeenBaby

14 February 2020 - 24 February 2020

  • Characters: Teen Sonic, Baby Sonic
  • Card Requirement: 300
  • During this event, players around the world were able to participate in a Community Challenge and receive free prizes after meeting the challenge's Ring collection requirements.


Pretty Tough

PrettyToughTeaser

Stage 1

5 March 2020 - 10 March 2020

Stage 2

11 March 2020 - 16 March 2020


Egg Pawn Assault

EggPawnAssault

18 March 2020 - 30 March 2020


Big Hero, Small Screen

MovieSonicInSFSB

31 March 2020 - 14 April 2020


Spring Cream's Easter Bunanaza!

10 March 2020 - 14 April 2020

Easter Bunanza


Every Hero Has a Genesis (2)

Genesis2

14 April 2020 - 28 April 2020


Key to Victory

22 April 2020 - 28 April 2020

  • In this event, Battle Chests have their unlocking time reduced by a half.


Protector's Return

ProtectorsReturn2SFSB

28 April 2020 - 14 May 2020

  • Characters: Longclaw
  • Card Requirement: 300


Never Stop Running!

SFSBtod

15 May 2020 - 2 June 2020

  • Characters: Teen Sonic, Baby Sonic, Longclaw
  • Card Requirement: 300
  • In this event, players' combined points by competing in races for the Community Challenge earn them free prizes.


Keeper of Chaos

KeeperofChaos

5 June 2020 - 15 June 2020

  • Characters: Tikal
  • Card Requirement: 30


Rivals League: Brawl

RivalsLeagueBrawl

18 June 2020 - 29 June 2020

  • Characters: Slugger Sonic, All-Star Amy
  • Card Requirement: 300
  • This event assigns players to play for either Team Sonic or Team Rose. The player has to complete various Missions to help increase the score for their team and earn prizes. The team standings are updated hourly.


Happy Birthday Sonic!

Sonics birthday 2020

18 June 2020 - 29 June 2020

  • In celebration of the Sonic the Hedgehog series' 29th anniversary, the game gifted players with a free gift every day during the time period that potentially contained Rare, Super Rare or Special cards.


Heavy Metal (3)

HeavyMetalEncore

1 July 2020 - 6 July 2020


It's Hero Time!

8 July 2020 - 17 July 2020

Tangle release event
  • Characters: Tangle
  • Card Requirement: 60


Guardian Angel

17 July 2020 - 27 July 2020

Whisper release event
  • Characters: Whisper
  • Card Requirement: 60


Egg Pawn Assault (2)

EggPawnAssault2

27 July 2020 - 7 August 2020

  • In this event, players engage in missions to destroy as many Badniks on the track as possible. While players are on the Resistance and earn points for destroying Badniks, the Eggman Empire is the opposing team and earns points when too many Badniks are left standing at the end of each battle.
  • Using Sonic or Amy increases points earned by 2, while using Tangle or Whisper increases points earned by 4.
  • Completing missions allows players to earn cards for Tangle and Whisper.


Fireblossom Festival (2)

FireblossomFestival

7 August 2020 - 18 August 2020


Peace, Love and Chaos

PeaceLoveAndChaos

20 August 2020 - 31 August 2020

  • Characters: Chaos, Tikal
  • Card Requirement: 30
  • In the second half of the event, "Golden Opportunity", Rings can be dropped and collected whenever the player or an opponent is damaged on the track.


Knight of the Wind

SFSB Excalibur Sonic teaser

2 September 2020 - 16 September 2020

  • Characters: Excalibur Sonic
  • Card Requirement: 300
  • In the second half of the event, "Golden Opportunity", Rings can be dropped and collected whenever the player or an opponent is damaged on the track.

Rapid Recap

SFSBRapidRecap

18 September 2020 - 30 September 2020

  • Characters: Vampire Shadow, Witch Rouge, Reaper Metal Sonic, Spring Cream, Slugger Sonic, All-Star Amy, Tropical Storm, Tidal Wave, Santa Big, Elf Classic Sonic, Lantern Silver, Lunar Blaze
  • Card Requirement: 300
  • In this event, players will get the chance to gain cards of specific Special characters, each one will have a dedicated event for a single day, the mission refresh times are halved and the mission refresh costs have been lowered.
    • Vampire Shadow - Phantom Fête: 18/9/2020
    • Witch Rouge - Masquerade Mayhem: 19/9/2020
    • Reaper Metal Sonic - Grim Gala: 20/9/2020
    • Spring Cream - Easter Bunanza: 21/9/2020
    • Slugger Sonic - Rivals League - Team Sonic: 22/9/2020
    • All-Star Amy - Rivals League - Team Rose: 23/9/2020
    • Tropical Storm - Cabana Bash: 24/9/2020
    • Tidal Wave - Riptide Rave: 25/9/2020
    • Elf Classic Sonic - Gotta Snow Fast!: 26/9/2020
    • Santa Big - Gotta Snow Fast! XXL: 27/9/2020
    • Lantern Silver - Silver's Lantern Festival: 28/9/2020
    • Lunar Blaze - A Blazing Lunar New Year!: 29/9/2020

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