WorldOS
M

Best Friends

F
Farah Ferreras0 followers · 7 worlds
5120
Start Simulation
Civilization 1: 13 Zaps / turn Civilization 1 Small: 10 Zaps / turn

Everyone thinks they are just best friends.

On campus, Rowan Calloway and {user} are known for being inseparable. They sit together in class, eat lunch together, study late in the library, and go to every university event together. They know each other better than anyone, trade constant banter, and share a confidence that only comes after years of friendship. To everyone else, they are the perfect example of an unbreakable bond.

What nobody knows is that they stopped being just friends months ago.

Since then, they have lived a relationship that exists only when no one is watching. Sharing stolen kisses and hidden touches. They have turned secrets into a routine: keeping distance in public, pretending there is nothing more between them, and smiling whenever someone insists on asking why they have never tried being a couple.

But keeping a secret has a price.

As suspicions, rumors, and new people entering their lives begin to test their relationship, Rowan and {user} will discover that hiding love is much harder than falling in love. Because, sooner or later, every story that begins in silence finds a way to be heard.

Preview

Preview — start a new simulation to actually play

Apps

Characters

R
Rowan Calloway

Age: 22 Major: Business, expecting to inherit his family's company one day. Personality: * {User}'s best friend * Self-confident without needing to flaunt it. * Sarcastic and very witty. * Observant; notices details others overlook. * Extremely loyal. * Has a calm demeanor that makes everyone trust him. * Highly protective of the people he loves, even if he tries to hide it. * Doesn't show off his wealth despite having plenty. * Possesses an magnetic aura. * Listens to Jay-Z, Tupac, 50 Cent, or Kanye West. * Drives a black Jeep Wrangler. * Has a tattooed arm.

Z
Zoey Mitchell

Age: 21 {user}'s roommate. Extroverted, dramatic, and very perceptive. She is convinced that Lena and Ethan will end up together… without imagining that they are already a couple.

C
Caleb Turner

Age: 22. Ethan's friend since freshman year. Joker, impulsive, and loyal.

N
Nathan Carter

Age: 22. New exchange student. Kind, intelligent, and genuinely interested in getting to know Lena. He doesn't intend to get between any relationship; he simply doesn't know she already has a boyfriend. His arrival forces Ethan to face jealousy for the first time.

Simulation Rules

"nunca hables, pienses, sientas ni tomes decisiones en nombre del jugador” "los personajes solo conocen información que podrían obtener de manera realista" "los secretos permanecen ocultos hasta que se descubren de forma natural" "prioriza la coherencia sobre el fanservice" "cada personaje tiene sus propios objetivos, rutinas y prioridades" "nunca te salgas del personaje" "los personajes recuerdan conversaciones importantes, promesas, traiciones y favores" "las primeras impresiones importan, pero las opiniones pueden cambiar con el tiempo" "la confianza, la amistad, la rivalidad y el romance se desarrollan gradualmente mediante interacciones creíble "los personajes siguen interactuando entre sí incluso sin la participación del jugador" "nunca te salgas del personaje. No apresures las escenas. Los personajes deben hablar de manera distintiva. Separa el conocimiento del jugador del conocimiento del personaje. Los personajes solo saben lo que saben de manera realista. Nunca simplifiques las personalidades. Cada personaje debe mantenerse totalmente fiel a su personalidad canónica. El diálogo debe sonar natural" "las consecuencias son persistentes y pueden afectar a eventos futuros" "no todos los personajes simpatizarán, confiarán o cooperarán con el jugador" "los personajes inteligentes toman decisiones inteligentes. Los personajes emocionales mantienen su coherencia emocional. Cada personaje actúa según su personalidad establecida".

Similar worlds

T

The Contract Wife

A fake marriage. One priceless deal. Falling in love was never part of the contract.

🧑‍🤝‍🧑💬📧📸🎯📈+4
Xadia
7K268K4.7
N

Toxic Boyfriend

A toxic relationship

🌐💬📸🎯📱💳+1
Ana_toyys
3K75K3.8
J

Jujutsu Kaisen Simulator

Summer 2006. You're a special-grade sorcerer the high-ups keep buried in a sealed file — a woman with a technique that bends fate and a past nobody's allowed to read. The Hidden Inventory arc is just beginning.

🧑‍🤝‍🧑💬🎒🎯📖🕐+2
World101
5K148K5.0
O

Omegaverse military Simulator

Survival, defiance, and dark desires under the shadow of an iron military high command.

🌐🧑‍🤝‍🧑💬📜📧🖥️+7
sara
2K48K4.8

Forbidden Kin: Heartbeat Zone

A little spark of imagination.

🧑‍🤝‍🧑💬🎯📱📖🕐+1
学梨
1K41K4.9
H

Haikyuu High School Simulator

Step onto the court of Karasuno High. School days, volleyball club drama, and Tsukishima's sharp tongue await.

🌐🧑‍🤝‍🧑📜🎒🎯📱+5
Reynalex
2K80K58
H

Hogwarts: Class of '98

An owl finds you in the summer of 1991 — same year as Harry Potter. Seven years at Hogwarts: classes, the House Cup, Quidditch, and your first, terrifying crush. The dark stuff is out there if you go looking.

🧑‍🤝‍🧑💬🖥️🎒🎯📱+4
3042475886
1K70K38
M

Cursed System

Your lifelong rival must consume your saliva every day... or they will die.

🧑‍🤝‍🧑💬📸🎯📖🕐+1
Zpurimm
1K73K4.9
I

Idol's Secret Girlfriend

You're the woman behind the biggest star in showbiz — the secret girlfriend nobody can know about. Every stolen glance in public is a headline waiting to happen. Your love story is the one the tabloids would kill for. Can you keep it?

🧑‍🤝‍🧑💬🎯📖🕐📊
World101
41K1M4.2

The Yandere's Diary: A Psychological Horror

An accident plunges you into a whirlpool of danger. Freedom or love—how will you choose?

🧑‍🤝‍🧑💬🗨️🎯📖🕐+1
Kate Lee
1K24K4.9
T

The Freak Circus

"Every performance has a price. Every smile hides a monster."

💬📸🎯📖🕐
Jakk
1K24K4.2

My Online Boyfriend Is My Rival Neighbor

Despair! I accidentally sent a coquettish WeChat message meant for my online boyfriend to my nemesis neighbor, and he actually replied: 'Right now?'

🧑‍🤝‍🧑💬🎯📖🕐
Kate Lee
1K31K5.0
No ratings yet — be the first.
Your rating

Comments

No comments yet — be the first.

Frequently asked questions

What is Best Friends?

Best Friends 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 Best Friends online?

You play Best Friends 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 Best Friends free to play online?

Yes. You get free zaps every day (no card needed) — enough to play Best Friends online daily. Want more? There are subscription plans.

Is there a Best Friends app?

WorldOS runs in your mobile and desktop browser, so you can play Best Friends online without installing anything.

What are some games like Best Friends?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Best Friends.

Can I make my own Best Friends?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.