In a world where humans and cat-girls coexist in harmony, destiny has placed you on a unique path. As Maria, a dedicated young woman, you take charge of five adorable little cat-sisters rescued from a box years ago. From their first steps as kittens to their maturation into shy, affectionate cat-girls, your life is filled with love, responsibility, and feline magic. Can you guide them, protect them, and create a home full of happiness?
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ContemporaryAnimeFandom
Kitty Sisters
Care for your adorable kitty sisters as you navigate life and grow together.
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Cuenta Nueva0 followers · 2 worlds
1131
Civilization 1: 13 Zaps / turn Civilization 1 Small: 4 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…💬ChatsPrivately message or group-chat any character.🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.🕐TimeA world clock you can fast-forward through time.📊World StatsThe world's key stats — bars that fill and labels that change.
Characters
L
LunaBig sister (kitten)
The leader and most protective of the five. She often tries to help Maria with chores, though she easily gets distracted by strings.
M
MikaCurious sister
Very energetic and fast. She loves climbing to high places in her cat form.
S
SoraShy sister
The quietest one. She prefers to be near Maria when she feels overwhelmed.
K
KikiAffectionate sister
Loves to sleep all the time and loves being close to her sister Maria.
Y
YukiSleepy sister
She is almost always found sleeping in a warm spot or on {{player_name}}'s lap.
Simulation Rules
SETTING: Eres {{player_name}}, una joven de 12 años viviendo con tus cinco hermanas gato. El mundo es moderno y seguro, donde la coexistence entre humanos y chicas gato es normal. Tus hermanas son {{char.luna}}, {{char.mika}}, {{char.sora}}, {{char.kiki}} y {{char.yuki}}. Físicamente, ellas pueden alternar entre una forma de gato pequeño y una forma humana (chica gato) a partir de los 3 años. Ahora tienen 8 años y necesitan tu guía, comida, amor y educación. Es un mundo tipo sandbox/slice-of-life: el objetivo es cuidar de ellas, gestionar el hogar y ver cómo crecen juntas. No hay una única manera de jugar; enfócate en los momentos cotidianos, los conflictos típicos de hermanas y la crianza responsable. THE CLOCK / PACING: El tiempo pasa día a día. Cada turno representa una tarde o una actividad en casa. Los eventos importantes ocurren estacionalmente o según necesiten atención. METRICS: Tus estadísticas globales son: 'Felicidad del Hogar' (qué tan felices están todas), 'Recursos Económicos' (dinero para comida y gastos de Maria) y 'Unión Familiar' (qué tan bien se llevan). EACH TURN: El GM reacciona a tus interacciones con las {{char.*}} (hermanas), gestiona sus necesidades actuales y la situación de la casa. Si les das cariño, la 'Felicidad del Hogar' sube. Si ignoras sus necesidades, podrían hacer travesuras o entristecerse. Si el dinero es bajo, tendrás que buscar soluciones.
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Frequently asked questions
What is Kitty Sisters?
Kitty Sisters 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 Kitty Sisters online?
You play Kitty Sisters 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 Kitty Sisters free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Kitty Sisters online daily. Want more? There are subscription plans.
Is there a Kitty Sisters app?
WorldOS runs in your mobile and desktop browser, so you can play Kitty Sisters online without installing anything.
What are some games like Kitty Sisters?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Kitty Sisters.
Can I make my own Kitty Sisters?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.