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Full name OTs-12 Tiss[1]
Nationality Russian[1]
Manufacturer TsKIIB SOO (Central Design Bureau of Sporting and Hunting Weapons)[2]
Artist 林檎爱す
Voice actor Yumi Uchiyama

OTs-12 is an obtainable Tactical Doll in the game.


OTs-12 Tiss ("Yew Tree") (Russian:ОЦ-12 Тисс) is a Russian fully automatic assault rifle chambered for the sub-sonic 9x39mm round.

Work on the weapon started in the early 1990s. Basically a rechambering and reworking of the more conventional AKS-74U assault carbine, it differs only in the bolt, barrel, muzzle-brake, and magazine. The 20-round box magazine was designed so that it would be compatible with standard current-issue ammo pouches but a larger 25-round magazine was rumored.

In 1993 a few hundred were built and delivered to the Russian Internal Troops for evaluation. They performed excellently, with the subsonic round showing superior penetration of cover at short and medium ranges (200–300 m) when compared to the 5.45x39mm. Still, the OC-12 didn't go into mass-production and was discontinued later that year[1].

Game Data

OTs-12 chibi.png
15 42
7 54
7 54
Rate of Fire
48 72
53/53 105/105
Movement Speed
Armor Penetration
Critical Hit Rate
Clip Size
Crafting Time

Affects submachine guns
Increases rate of fire by 20%
Increases damage by 15%

Assault Focus T


Dialogue Chinese Japanese English
Acquisition 秘密武器“紫杉树”,正式报到,指挥官,需要更详细的介绍吗? 秘密兵器チーセス、到着!指揮官、もっと詳しい説明いる? Secret weapon "Tiss", reporting in. Commander, do you need a more detailed description?
Introduction 以AKS-74U为原型改造的“紫杉树”,主要是为了特种行动而研发的微声突击步枪,装配有特别标识的微声子弹。因为是秘密武器,关于我的资料没有太多可公开的,不过……也可能是因为和原型很像,并不需要太多介绍了吧? Modified version of AKS-74U, "Tiss". Low noise assault rifle designed mostly for special operation, equipped with the signature sub-sonic ammunition. Not a lot of information are declared about me, since I'm a secret weapon, well... Or maybe just too similar to the original model, there just isn't much to declare?
Secretary 指挥官,有我的任务吗? 待ってるから。 Commander, do you have any tasks for me?
那么……我近期的表现如何呢? 最近のわたしはどう? Um... What do you think of my recent performance?
指挥官,不要闹了,这不是有秘密任务吗? 騒がしいわね。さっきのは指揮官?ならいいわ。 Commander stop messing around, isn't this a secret mission?
Secretary (post OATH)
Had more cameos recently, all thanks to your attention on me... It's ok, there's no need to keep this happy thing secret.


Commander, is this, for me? Uh, don't apologize. I know my value. But if I could become the greatest secret in your heart, it's good enough for me. Thank you, commander.
Greeting 指挥官,今天要我出场吗?……没事,我明白,我是秘密武器,对吧? わたしが出ようか?…あ、そっか、いいです、秘密兵器だから。 Commander, do I need to appear today?....Ah, it's ok, I know, I'm a secret weapon.
T-Doll Produced 新的同伴加入了,希望能活跃起来。 新しい仲間が来てるわ。 A new friend's coming.
Joining an echelon 嗯?不得不依靠我这个秘密武器了呢。 おお?秘密兵器に頼っちゃう? Hmm? Had to rely on the secret weapon?
Enhancement 我明白,这是秘密改造,对吧? 分かってるよ、秘密改造ですよね。 Understood, a secret modification.
Dummy-linking 哦!指挥官,这样的待遇,果然您还是很重视我的! やっぱ大事にしてくれますよね指揮官! Of course I'm being paid attention to by the commander!
Logistics (start) 出门采购,嘘,要保密哦…… 仕入れに行ってきます。 Beginning procurement.
Logistics (end) 我回来了,唔……大家都在吗? ただいま…みんないる? Coming back...Is everyone here?
Autobattle 这次是秘密行动吧,我会不留痕迹地搞定的! 秘密行動ですね、必ず果たします! It's a secret operation this time, will get it done!

Dialogue Chinese Japanese English
Starting a combat mission 要出发了,大家,准备好了吗? 行くわよ。みんな準備はいい? We'll be going soon, everyone ready?
Starting a battle “紫杉树”,突袭开始! チーセス!突撃開始! Tiss, begin combat!
Skill activation 确认目标,射击! ターゲット確認、撃て! Confirmed target, attack!
你们逃不掉的! 逃がさないよ! You won't escape from me!
嘘……你们太吵了。 シー…うるさい! Silence!
Heavily damaged 为什么会这样……我明明被寄予了厚望…… どうして…期待されてたのに…。 Why... I had high expectations...
Retreat 大家,对不起……我原本应该……发挥得更好…… こめんなさい…もっと…活躍したいのに…。 Sorry everyone... I should have performed better...
MVP 如何呢,指挥官,作为秘密武器的我,没有令您失望吧? どう?秘密兵器のわたし。期待通りよね。 How was it? Did the secret weapon disappoint you?
Restoration 抱歉,希望我……下次还有机会…… ごめん、次があったら…。 Sorry, please give me another chance...

Dialogue Chinese Japanese English
Halloween 今晚的气氛虽然不太适合秘密行动,但隐藏在这么多奇怪的家伙里,好像也很容易呢。 Tonight's atmosphere is not very suitable for secret operations, though maybe it is easier, if I stay hidden amongst those oddly dressed people.
New Year's Day
Valentine's day


  • Though performed excellently during the trial, but compared to many other weapon using the 9×39mm calibre munitions, the performance result wasn't exactly ideal, lead to the project being abandoned.
  • The lack of early armoured units and the high effectiveness of her skill (without worrying about hitting the RoF cap), new players can consider using her as an early game unit.


  1. 1.0 1.1 1.2 Wikipedia entry on OTs-12
  2. Wikipedia entry on TsKIIB SOO

List of T-Dolls
Icon HG 2star.png  PPK ·  M1911 ·  Nagant Revolver ·  P38 ·  FNP-9 ·  MP-446 ·  USP Compact ·  Bren Ten
Icon HG 3star.png  Tokarev ·  Astra Revolver ·  P08 ·  M9 ·  C96 ·  Makarov ·  Type 92 ·  Glock 17 ·  Serdyukov ·  P99 ·  Type 59 ·  PSM ·  HK45 ·  P226
Icon HG 4star.png  Colt Revolver ·  Stechkin ·  Mk23 ·  P7 ·  SPP-1 ·  Spitfire
Icon HG 5star.png  Grizzly MkV ·  M950A ·  Welrod MkII ·  NZ75 ·  Five-seveN ·  CZ75 ·  Contender
Icon AR 2star.png  L85A1 ·  G3 ·  Galil ·  SIG-510 ·  F2000 ·  Type 63
Icon AR 3star.png  AK-47 ·  FNC ·  StG44 ·  OTs-12 ·  CZ-805 ·  ARX-160 ·  AR70 ·  6P62 ·  ASh-12.7
Icon AR 4star.png  AK5 ·  AS Val ·  Type 56-1 ·  M4A1 ·  M4 SOPMOD II ·  M16A1 ·  ST AR15 ·  FAMAS ·  TAR-21 ·  G36 ·  9A-91 ·  Ribeyrolles
Icon AR 5star.png  HK416 ·  FAL ·  G41 ·  OTs-14 ·  G11 ·  Type 95 ·  Type 97 ·  RFB ·  ART556 ·  T91
Icon SMG 2star.png  MP40 ·  Beretta Model 38 ·  PPSh-41 ·  M3 ·  Spectre M4 ·  IDW ·  Type 64 ·  m45 ·  PP-2000
Icon SMG 3star.png  MAC-10 ·  Skorpion ·  PPS-43 ·  Sten MkII ·  Micro Uzi ·  FMG-9 ·  Z-62 ·  EVO 3 ·  MT-9 ·  SCW ·  TMP ·  F1 ·  M12
Icon SMG 4star.png  MP5 ·  UMP9 ·  UMP40 ·  UMP45 ·  PP-90 ·  PP-19 ·  Shipka ·  KLIN
Icon SMG 5star.png  Thompson ·  Vector ·  Suomi ·  G36C* ·  Type 79 ·  SR-3MP ·  RO635
Icon RF 2star.png  SVT-38 ·  G43 ·  FN-49 ·  Simonov ·  BM59
Icon RF 3star.png  M1 Garand ·  M14 ·  SV-98 ·  Hanyang Type 88 ·  M21 ·  Type 56 ·  Super SASS ·  M1A1 ·  OTs-44 ·  SSG 69 ·  Type 81 Carbine ·  wz.29
Icon RF 4star.png  Springfield ·  Mosin-Nagant ·  PSG-1 ·  PTRD ·  SVD ·  G28 ·  PzB 39 ·  T-5000
Icon RF 5star.png  NTW-20 ·  Lee-Enfield ·  WA2000 ·  Kar98k ·  M99 ·  IWS-2000 ·  DSR-50 ·  JS05
Icon MG 2star.png  MG34 ·  DP28 ·  AAT-52 ·  LWMMG ·  FG42
Icon MG 3star.png  M1919A4 ·  MG42 ·  M2HB ·  Bren ·  M249 SAW ·  RPD
Icon MG 4star.png  PK ·  MG3 ·  M1918 ·  M60 ·  Mk48 ·  AEK-999 ·  Ameli
Icon MG 5star.png  MG4 ·  MG5 ·  Negev ·  PKP
Icon SG 3star.png  M500 ·  KS-23 ·  RMB-93 ·  M1897 ·  NS2000
Icon SG 4star.png  M37 ·  M590 ·  Type 97 Shotgun ·  SPAS-12 ·  Super-Shorty ·  USAS-12
Icon SG 5star.png  KSG ·  M1887 ·  Saiga-12 ·  S.A.T.8
EXTRA HG Noel · SG Elphelt