Annihilation City (消滅都市 shōmetsu toshi), received a version 2, is an action game published by WRIGHT FLYER STUDIOS has a collaboration event with Battle Cats.

Latest Collab period: May 29th, 2017 (11:00) to June 12th, 2017 (23:59)

2017 Collab

  • Collaboration Gacha

The exclusive Gacha for this collab is on during this period. To spin it, the player need to switch to this Gacha on the top-left of the screen. This time, in addition to Mysterious Girl Yuki and Crazed Yuki, an Uber Rare palette swap of her was created, named Lost World Yuki.

*This Gacha also discharges other Cats (those common Rares and Super Rares).
*Yukis won't appear in other Gacha, but they are also not guaranteed to drop.
*The player needs to update the game to version 6.1 in order for this Gacha to appear.
  • Collaboration Stages

Collaboration Stages can be accessed in the Stories of Legend menu, where it stores all sort of event stages. This collab has 3 "Chapters", when the collab start, only one "Chapter" can be seen, the second and the third one will be added after two days, one after another, and they are all Timed Stages. There is a chance to get the Rare Cat(s) (?) Takuya and Yuki upon clearing these levels, the chance is higher in more difficult level, but using a Treasure Radar in one of these levels to get them instantly.

*Takuya and Yuki is stored in the Rare Cat tab, from the Upgrade menu.
*Players who already unlocked Takuya and Yuki can just ignore this part.

If the player want to get the third form of Takuya and Yuki for their collection, their Awakened Stage is available 3 days after "Chapter 3".

*They need to be at level 20 or higher to evolve. Done in the Upgrade menu

A new collaboration stage is introduced, which is available to play the same time as the Awakened Stage above. This new stage has a new Rare drop named "Red-haired Snow Cat" (赤髪のゆきにゃん). The deal to get this Cat is the same as Takuya and Yuki.

  • Benefits from Annihilation City

There are 1 more exclusive Cat from this collaboration, the player needs to complete some specific quests in Annihilation City:
* Clear ストーリークエスト(1章4話)「好きだからよ」 to get Snow Cat, 1 Rare Ticket an 30 Cat Food.
* Clear コラボクエスト「(中級)にゃんこ軍団の秘密」 to get 30000 XP and 50 Cat Food.
* Clear コラボクエスト「(上級)侵略のにゃんこ軍団」 to get 3 Silver Tickets.

To get all the rewards, from the Menu screen of Annihilation City app →「その他」(右下のボタン)→「特典」→「にゃんこ大戦争復刻コラボ特典(1)~(3)」

*The player must update the game to version 6.1 to get all the benefits.
*Those who already unlocked Snow Cat, can't unlock it a second time.
  • Benefits from Battle Cats

Some of the collab stages in Battle Cats have some rewards upon completion that the player can use in Annihilation City:
* Clear Chapter 1 - Stage 1 to get 「ゆきにゃん」+「 狂乱の火の三つ子ニャンゼル」+「狂乱の光の三つ子ニャンゼル」;
* Clear Chapter 1 - Stage 3 to get 「ビューティゆきにゃん」+「狂乱の水の三つ子ニャンゼル」+「狂乱の木の三つ子ニャンゼル」+「狂乱の闇の三つ子ニャンゼル」;
* Clear Chapter 2 - Stage 1 to get 1 フクザワ.
Downloading Battle Cats will reward 「ネコ(☆3)」 and 1 フクザワ.

*The benefits above can be received by tapping the red button on each stage.
  • Cat Food Gift

Log in everyday to get 20 Cat Food. During this collab of course.

2015 Collab

  • Collaboration Gacha

Collaboration Gacha "Annihilation City" appears during this event period. By playing this Event Gacha, the player has a chance to get Mysterious Girl Yuki (謎の少女ユキ) and a new Uber Rare Cat Crazed Yuki (狂乱のユキ).

  • Notes: Using other Rare Cat Capsules will not discharge characters from Annihilation City, each charater will be discharged at a fixed probability, there are also other Cat Units can be dropped in this Collab Gacha.
  • Please switch to the Collab Gacha by tapping its icon on top of the "Rare Cat Capsule" screen.
  • If the Annihilation City Capsule does not appear, the player needs to update Battle Cats app to the latest version (5.1.0).
  • Collaboration Stages

Reoccurring Chapters:

Annihilation City ~ Chapter 1 ~ (消滅都市 ~第1章~)
Annihilation City ~ Chapter 2 ~ (消滅都市 ~第2章~)
Annihilation City ~ Chapter 3 ~ (消滅都市 ~第3章~)

In addition, a new chapter was added: Takuya and Yuki Awakens! Stages, introducing Takuya and Yuki's True Form: "Takuya and Beauty Yuki" (require level 20 or above to evolve). This chapter will release in May 27th, 2016.

  • Battle Cats benefits from "Annihilation City" app

Completing the Collaboration Quest during event period will reward the player:

Story quest [Chapter 1 - Episode 4] 「好きだからよ」 clear: Snow Cat (Special Cat) and 1 Rare Ticket
Collaboraion Quest 「(中級)にゃんこ軍団の秘密」 clear: XP +30000
Collboration Quest 「(上級)侵略のにゃんこ軍団」 clear: 3 Silver Tickets
  • How to get Snow Cat in Battle Cats:
・ Go to Annihilation City menu screen → その他 (OTHER) (the button at the bottom right) → 特典 (BENEFITS) → にゃんこ大戦争復刻コラボ特典(1)~(3).
・ After tapping the button 「特典の受け取りはコチラ」, go to Battle Cats app, the player will receive the character Snow Cat.
  • Annihilation City benefits from "Battle Cats" app
Chapter 1-1 clear: Limited Souls: "Snow Cat" (ゆきにゃん), "Crazed Triplet Fire Nyanzeru" (狂乱の火の三つ子ニャンゼル), "Crazed Triplet Light Nyanzeru" (狂乱の光の三つ子ニャンゼル)
Chapter 1-3 clear: Limited Souls: "Beauty Snow Cat" (ビューティゆきにゃん), "Crazed Triplet Water Nyanzeru" (狂乱の水の三つ子ニャンゼル), "Crazed Triplet Wood Nyanzeru" (狂乱の木の三つ子ニャンゼル), "Crazed Triplet Darkness Nyanzeru" (狂乱の闇の三つ子ニャンゼル)
Chapter 2-1 clear: 1 Fukuzawa (フクザワ)
  • Collaboration Gifts

To celebrate the second collab, 20 Cat Food will be sent to each player.

2014 Collab

  • Collaboration Gacha

Annihilation City Gacha can be accessed by using the Gacha Switch button, playing this Gacha may unlock the Uber Rare Cat: "Mysterious Girl Yuki", player can also unlock Gold CatNenekoCat Base Mini and many other cats.

First Gacha Discount Event is also excluded during the event.

  • Collaboration Stages

Battle Cats:

When player move to "Stories of Legend" (event stage) during event period, new collaboration stages appears:

- 消滅都市 ~第1章~ (Annihilation City ~Chapter 1~)

- 消滅都市 ~第1章~ (Annihilation City ~Chapter 2~)

- 消滅都市 ~第1章~ (Annihilation City ~Chapter 3~)

(If the levels does not appear, player needs to update Battle Cats to the latest version - ver3.6.0)

​Time-limited stages appears, with the Timed Score feature. It's possible to win a scoring reward that has been set in each stage.

Rewards can be seen in Stage Select screen, from the "scoring reward" (採点報酬) button at the bottom left.

The rare character: Takuya and Yuki appears as an item drop with extremely rare probability. The more difficult stage cleared, more chance to get this character, in one shot if player uses Treasure Radar.

  • Annihilation City benefits from "Battle Cats" app: 

In addition, benefits can be used in Annihilation City as clearing collaboration stages in Battle Cats:

- "消滅都市 ~第1章~", Stage 1 clear: limited soul: "Snow Cat (ゆきにゃん yuki nyan)"

- "消滅都市 ~第1章~", Stage 2 clear: limited soul: "Beauty Snow Cat (ビューティゆきにゃん byūti yuki nyan)"

- "消滅都市 ~第2章~", Stage 2 clear: experience value + skills up materials.

There is also a collaboration event in "Annihilation City" app

  • Battle Cats benefits from "Annihilation City" app:

Story Quest of Annihilation City during event period, benefits can be used in Battle Cats as clearing collaboration stages:

- "ストーリークエスト(1章4話)「好きだからよ」"  clear: the Special Cat: "Snow Cat"

- "コラボクエスト「(中級)にゃんこ軍団の秘密」" clear: XP+30000

- "コラボクエスト「(上級)侵略のにゃんこ軍団」" clear: Silver Ticket+3

List of Levels

Annihilation City ~Chapter 1~


Japanese version name translation
Stage 1 消滅からはじまる物語 ?
Stage 2 運び屋タクヤ ?
Stage 3 謎の少女 ?

Annihilation City ~Chapter 2~


Japanese version name translation
Stage 2 面倒なネコって思ったでしょ? ?
Stage 3 にゃんこ計画 ?

Annihilation City ~Chapter 3~


Japanese version name translation
Stage 1 ロスト 超激ムズ Lost (Hard+++)

Takuya and Yuki Awakens!

開眼のタクヤとユキ (Kaigan no Takuya to Yuki)

Japanese Version name translation
Stage 1 タクヤとユキ進化への道 超上級 Road to Takuya and Yuki Evolution (Expert)
Stage 2 タクヤとユキ進化への道 超激ムズ Road to Takuya and Yuki Evolution (Insane)

The Lost World

失われし世界, added in the 3rd collab, they are also timed Stages.

Japanese version name translation
Stage 1 もう一人の少女 Another Girl
Stage 2 馴れなれしく名前を呼ばないで ?
Stage 3 すべての世界が終わる ?


Japanese Version

  • May 29th, 2017 (11:00) to June 12th, 2017 (23:59)
  • April 24th, 2015 (14:00) to May 10th, 2015 (23:59)
  • May 20th, 2016 (14:00) to June 5th, 2016 (23:59)


Collaboration Event Stages (BCJP 9.2)
Hometown Self-Defense Force Suddenly 2nd ClassChiefShattered SergeantYorudemo SergeantKakeashishi LieutenantJeji MajorColonel EnyacolaHead of Staff
Princess Punt Enchanted Princess How to Cook YuurinchiiYou Lynch!High Heels and ChamomileLet's Go To The EggPrincess's SecretPrincess Battle
Princess Punt Stages Kerihime is Here! (Easy)Kerihime is Here! (Normal)Kerihime is Here! (Hard)
Sleeping Beauty Awakens Road to Sleeping Beauty Evolution (Expert)Road to Sleeping Beauty Evolution (Insane)
Kerihime Awakens Road to Kerihime Evolution (Expert)Road to Kerihime Evolution (Insane)
Teachings of Ketbas Kingdom Hurry UpButtons on FlowersButtons on a Crying FaceButtons on the Second FloorKerihime Captured by Laughing Gate
Sweet Battle Great War! Sweet Food in Another BellyMedicine Is Sweet In The MouthForbidden Sweets Are Sweet
Google Android Message from the Dawn(?) ArchitectureCloud ServiceStorage ServerOn-DemandHypermedia CreatorInti RaymiHaute CoutureSata Andagi
Droid Awakens! ParaDroid (Expert)ParaDroid (Insane)
Million Arthur Diffuse Million Arthur One Million StoriesSwordsman CastleThe Fate of BritainA Place of SkillExcaliburMagic SchoolThe Birth of the True KingBeef Bowl and Snake Meta
Dragon Poker Beginning of the DockingReal-time BattleShout FestivalBan ColiseumRookie League5vs5Super-combinedBreaker Crash
Final Boss Advent!? Final Boss Advent!? キタ---(゚∀゚)---!!
Singer Cat Awakens! Road to Singer Evolution (Expert)Road to Singer Evolution (Insane)
Merc Storia Hell of Merc Storia Super Flames (Insane)
Confrontation! Merc Storia CatHealer's JourneyMonster PhobiaMysterious Bottled Beautiful GirlSuppression of CatsLost MemoryKizuna Spun In Love300 Yards of Hitofuri
Counterattack of Merc Storia Aroisu, A Flying Fight!Kooneria, Heavenly Visitor!Harushuto, A Silver Beast at Dawn!
Warlock Awakens! Road to More Warlock Evolution (Hard+)Road to More Warlock Evolution (Hard+++)
Merc Awakens! Road to Merc Evolution (Expert)Road to Merc Evolution (Insane)
Titi Awakens! Road to Titi Evolution (Expert)Road to Titi Evolution (Insane)
Mysterious Merc Storia Those Who Were Given WingsA Girl Called The Holy WingsDevil's Ritual
Dragon League 20-to-20Cat BattleNyanko Coliseum
Kishidan Kishidan Clash! ! Shiratori ShochikuHoshi GuranmanieSaionji HitomiSaotome HikaruAyanokōji ShōSuper Clash!! Kishidan!!
Survive! Mola Mola! Survive! Mola Mola! Squid BenderMean Morning SunbeamsLife Ain't Easy, Kid
300 Million Dead Molas Only Brother LeftLife's Hard ModeSardine BonesSUDDEN DEATHOne Step from Heaven
Annihilation City ~Chapter 1~ A Story That Begins With AnnihilationCarrier TakuyaMysterious Girl
~Chapter 2~ GOOD CATS, BAD CATSYou Though It Was A Troublesome Cat?Cat Project
~Chapter 3~ Lost (Hard+++)
Takuya & Yuki Awakens! Road to Takuya and Yuki Evolution (Expert)Road to Takuya and Yuki Evolution (Insane)
The Lost World Another GirlDon't Call Me Your NameAll World Ends
City of Tamashii Black Tamashii2 Yuki3 Fate
~Lost~ A Story That Begins With AnnihilationCarrier TakuyaMysterious GirlGOOD CATS, BAD CATSYou Though It Was A Troublesome Cat?Cat ProjectLost (Hard+++)
World of Heaven The Story of Confronting SinFool Traveller KanoThe Boy Who Desires Happiness
Yakuza Apocalypse Polar Road CatsIf You Bite, Everyone YakuzaThe Decisive Battle of the Great War! !
Monster Hunter Monster Hunter stages Noble Queen・Rathian 【Village】King Of The Sky・Rathalos 【Inferior】Proud Strongest Couple! 【Superior】
Monster Hunter Ticket Chance! Queen, Descends 【Inferior】The Sky Has Fallen, King Of The Sky! 【Superior】Hunt Sky And Fire Dragons! 【G Class】
Metal Slug Defense Metal Slug Defense stages Immortal Allen O'NeilAttack on Huge HermitJupiter King Convoy
Super Metal Slug Devils on the Doorstep (Hard+++)
Yurudora Yurudrasil Divine! A New Mythology BeginsImperial City BardiaThe Backlash of the GodsValhalla BattleThe End is Coming?! NYA GURAROKU!
Castle & Dragon Castle & Dragon Castle & Dragon and CatsBecause It Is a NinjaRunning Through The BattlefieldTrouble Talking To Girls...Pretend to WatchTraditionFor Pretty CatMucha! I'm Going To Make It!
Castle & Dragon Awakes! Stages Road to Swordsman EvolutionRoad to Horsemen Cavalry EvolutionRoad to Ashura EvolutionRoad to Battle Balloon EvolutionRoad to Dragon Rider EvolutionRoad to Pretty Cat EvolutionRoad to Cyclops EvolutionRoad to Golem Evolution
Immortal Castle & Dragon League Lifting (Expert)Things Born From Eggs (Insane)Castle&Dragon Great War (Deadly)
Castle Dragon VS Castle Dragon Knights Invasion (Easy)Knights Invasion (Hard)Knights Invasion (Demon)Knights Invasion (God)Knights Invasion (Dragon)
Nebaaru-kun and Nyan Puzzle Mamoruyo Cat Protecting with Cat PuzzleI'll Protect You Too Nebaaru-kunTogether Protecting Cats
Neo Mushroom Garden A Fungal Challenge Fungal DominanceKing of the TableFunghi Wasn't Built In a Day
Y! Mobile Futenyan Appears Fute sugita nekoSarani futeru neko
Madoka Magica Puella Magi Madoka Magica Make A Contract With MeBecome a Magical GirlYou Can Change Fate ItselfI Don't Understand YouDo You Intend To Be a God?
Witch's Labyrinth The Rose Garden Witch (Easy)The Rose Garden Witch (Veteran)
Witch's Labyrinth The Dessert Witch (Normal)The Dessert Witch (Expert)
Witch's Labyrinth The Box Witch (Hard)The Box Witch (Insane)
Walpurgisnacht The Stagebuilding Witch (Deadly)
A Fake Mitakihara The Nutcracker Witch (Veteran)The Nutcracker Witch (Merciless)
Cat Busters Cat Busters Charge! A World With Only CatsStolen Time MachineChasing The Mouse
Pikotaro PPAP PPAP
Nazousagi Nazousagi Advent!? A World controlled by PuzzlesObsessed with PuzzlesPuzzles VS SophismsFour Heavenly Kings of PuzzlesResolved by Physical Attack
Hiroshi Mihara Chasing Dream Idols Ximending Poetry Studio
Hiroshi Mihara Awakens! Hiroshi Mihara Awakens! (Easy)Hiroshi Mihara Awakens! (Normal)
Crash Fever Gate of ALICE Virus of LoveExplosive EscapeOrder/Disorder
Moonlit City Converging RaysFever Time!World War ALICE
Queen Rampant Sudden Rampage (Normal)Synthetic Hubris (Hard)Chaos Construct (Veteran)Abandoned Future (Expert)Tangible Existence (Deadly)
Gudetama I am Gudegude Boil WellGood to BakeCan be Raw
I Can Eat Anything A lot of clingingStability-orientedGood morning
Gudegude Is Busy Life Is SeriousI Can't Beat It MyselfI Don't Want To Be An AdultBecause It’s ReallySerious Starting Next Year
Gudetama Cat Awakens! Road to Gudetama Cat Evolution (Veteran)Road to Gudetama Cat Evolution (Insane)
Fate/Stay Night: Heaven's Feel The Holy Grail War Schoolyard ClashMidnight InterceptionManor RuinsInconspicuous TrapBeginning of the End
Holy War: Saber Fated Night (Easy)Fated Night (Expert)
Holy War: Lancer Assault from Above (Easy)Assault from Above (Expert)
Holy War: Archer Unlimited Bladeworks (Easy)Unlimited Bladeworks (Expert)
Holy War: Rider Blood Temple (Easy)Blood Temple (Expert)
Holy War: Gilgamesh King of Heroes (Veteran)King of Heroes (Deadly)
Holy War: Saber Alter Consumed by Shadow (Veteran)Consumed by Shadow (Deadly)
Power Pro Baseball Sophomore Summer First Round Match (Easy)Second Round Match (Normal)Final Round (Hard)
Date Chance: Karin Iron Will (Easy)Iron Will (Expert)
Date Chance: Misaki Warm Smile (Easy)Warm Smile (Expert)
Date Chance: Sairi No.1 Angel (Easy)No.1 Angel (Expert)
Date Chance: Ren Burning Love (Easy)Burning Love (Expert)
Pro. Wild's Challenge Willing Sacrifice (Veteran)Willing Sacrifice (Deadly)
Mentori Mentori's Masterplan Mental ManipulationsNot A Penguin
Neon Genesis Evangelion Evangelion Activates! State of EmergencyNERVI Mustn't Run Away...
Decisive Battle! Futagoyama FortressPre-fire SequenceHigh-Order EnergyDon't Say FarewellStart by Smiling
The 9th Angel Strikes! Asuka On Board (Easy)Asuka On Board (Expert)
The 10th Angel Strikes! Refusal Type (Hard)Refusal Type (Merciless)
Unit-13 Strikes! It's Not Your Fault (Veteran)We'll Meet Again (Merciless)
LINE Pokopang! Pokopang Forest Friends! Rabbit's MischiefSheep's BravadoBear's Bashfulness
Trio from the Woods Puzzle Attack!Collecting CherriesRainbow Blast!
Get On! Kyoto City Subway Moe Uzumasa School Attendance Dazai Tenjin RiverNijouTorimaru OikeKitaoujiKitayama
Saki Matsuga School Attendance MatsugasakiKitayamaKitaoujiKuramaguchiMarutamachi
Misa Ono School Attendance OnoYamashinaKeageTorimaru OikeImadegawa
Get on the Subway ShijouKyotoJuujouKuinabashiTakeda
Hikakin Hikakin Advent Bunbun Hello CatIt’s Hikakin
Hikakin Awakens! Phoenix Dance (Easy)
Maji Island Tour Qibao Island - With Maji Cat Travel With Maji CatAnywhere is Good...Let's Go!Hand in Hand, Let's Go Together
Bikkuriman Holy Demon War Outbreak! The Dying Heavenly WorldJourney to HopeFight hard! Next battle
Bikkuriman Choco Seal Hidden Behind ChocolateDevil vs AngelWhen It Is Done, It Will Return!Buy A DreamKira Seal Surprise!
Wonder Maria Showdown! Great Fortress Penetrating The Sky (Hard)Great Fortress Penetrating The Sky (Insane)
Yamato Devil Awakens! Will To Be Inherited (Veteran)Will To Be Inherited (Expert)
Kaohsiung Rapid Transit Kaohsiung Rapid Transit Red Line Taroko ParkCentral ParkBeautiful IslandKaohsiung StationOlympia
Kaohsiung Rapid Transit Orange Line XiziwanYanchengpuBeautiful IslandWeiwuyingDadong
Chocolate Chocolate Cat Awakens! Chocolate Cat Strikes! (Easy)Chocolate Cat Strikes! (Normal)
Yuru-i GeGeGe no Kitarou: Youkai Dotabata Daisensou Yuru-i! Neko-Musume Attacks! I Love FishAngry Bakeneko ChangesWhat I Hate Is Nezumi-Otoko
Yuru-i Gegege no Kitarou Yuru~Battle with Youkai!A Big Reversal at Hyakki!Unprecedented Youkai Changes?!Kimo? Are you lost?Save Japan from Dangerous Youkai!
Dot Heroes The Hero to be Born is a DotOnly One Dot in the WorldBut Always This Dot3D DotThe Game is Still a Dot
Shakurel Planet The Jaws of NatureGnawin’ BonesChompin’ TreesMunchin’ RocksThe Future Is Chins
Street Fighter V: Arcade Edition Street Fighter (Easy) Warrior of NatureIlluminating FlameRush & BlazeBONUS STAGEBlue JadeIron CycloneImpregnable FortressInvincible Fist
Street Fighter (Normal) Illuminating FlameIron CycloneBlue JadeBONUS STAGERush & BlazeWarrior of NatureInvincible FistImpregnable Fortress
Street Fighter (Hard) Iron CycloneImpregnable FortressRush & BlazeBONUS STAGEIlluminating FlameBlue JadeInvincible FistWarrior of Nature
New Challenger Master of the Fist (Veteran)Sekia Goshoha (Deadly)
Tokyo Skytree 7th Anniversary ★ Tokyo Skytree Sorakara (Easy)From Now On (Easy)I'll Try! (Easy)
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