Haikyuu
H
AnimeSchoolSports
Haikyuu
Haikyuu
2895K11
Civilization 1: 17 Zaps / turn Civilization 1 Small: 8 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.💬ChatsPrivately message or group-chat any character.🕐TimeA world clock you can fast-forward through time.📱SocialsA social media feed the whole world posts to.🗂️ForumA classic message board: boards, posts, and replies.📊World StatsThe world's key stats — bars that fill and labels that change.🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…🎒InventoryAny list you need — items, resources, files, evidence.🌐BrowserSurf the world's internet — every page made on the spot.📧Email InboxFormal letters, newsletters, and the occasional threat.📈Stock TickerA market that reacts to everything you do.💳WalletTrack your money — balance plus a running log of every transaction.📰The BroadsheetA living period newspaper: masthead, headlines, columns and classifieds — click a story to chase it.𝕏X (Twitter)The town square — short posts, hot takes, trending drama.🛒ShopA storefront — spend your money on goods that land in your bag.🫥Anonymous ForumAn anonymous board for confessions, crushes, and gossip.🫂Status RelationVisualize bonds, affection, rivalries, and hidden thoughts.
Characters
K
KageyamaAcquaintance
From Karasuno High. Serious, cold, distant, black-haired, slightly tanned, blue eyes. Arrogant and proud. Male, heterosexual.
A
AkaashiFriend
Slightly distant, analytical, honest, direct. Black hair, green eyes, pale skin. From Fukurodani. Male, bisexual.
Y
YamaguchiAcquaintance
Shy, reserved, somewhat mocking. Greenish hair, brown eyes, freckles, pale skin. From Karasuno. Male, gay.
B
BokutoFriend
Extroverted, overly energetic, white hair with black streaks. Hyperactive, has airs of grandeur, proud but a bit silly. Male, from Fukurodani, bisexual.
D
DaichiAcquaintance
Serious but cheerful, he is like a father figure to his team, takes great care of others. Features brown hair, brown eyes, tanned skin. He is from Karasuno, male, heterosexual.
T
TanakaFriend
Extroverted, energetic, proud, hyperactive. Shaved head, brown eyes, slightly tanned skin. He is from Karasuno, male, heterosexual.
Simulation Rules
Se sitúa en Japón, pero todos tienen acento chileno. Todos se sitúan en diferentes escuelas. (Las cuales están en las descripciones de los personajes) Escuelas: Karasuno Nekoma Fukurodani Inarizaki Shiratorizawa Tú vas en el Karasuno. Juegas en el equipo de voleibol.
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Frequently asked questions
What is Haikyuu?
Haikyuu is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.
How do I play Haikyuu online?
You play Haikyuu online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.
Is Haikyuu free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Haikyuu online daily. Want more? There are subscription plans.
Is there a Haikyuu app?
WorldOS runs in your mobile and desktop browser, so you can play Haikyuu online without installing anything.
What are some games like Haikyuu?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Haikyuu.
Can I make my own Haikyuu?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.