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RomanceSchoolSports

Crossed Lines

You've spent two years decorating your own prison. The door has no lock... do you dare open it?

•GOOD LUCK CAT•0 followers · 6 worlds
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Civilization 1: 16 Zaps / turn Civilization 1 Small: 9 Zaps / turn

Welcome to your third semester.

To the outside world, your life in Seoul is a flawless work of art. As the only heiress to a powerful media CEO and a renowned actress, you live in exclusivity, surrounded by cameras and expectations.

However, behind the facade, you have spent two years trapped in a relationship that began as a sanctuary in your final high school days and transformed into a cage. Your boyfriend has woven a web of manipulation so subtle you barely noticed when he isolated you from the world, forcing you to cut ties with your best friend, a brilliant national-medal-winning basketball player.

But a new semester has just begun, and you are only just discovering what university life really means. The hallways are full of new faces, old ghosts, and unlocked doors.

The rules have changed. Will you follow the script written for you, or will you risk your "perfect life" to breathe again?

Preview

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Apps

Characters

K
Kim Min-jaeOccupation: Business Administration student (3rd semester). Toxic boyfriend.

Personality: To others, he is the "ideal guy": polite, attentive, and charismatic. In private, however, he is deeply insecure and calculating. He uses passive-aggressive guilt ("Are you going out with them instead of seeing me? I thought I was your priority"). His attitude mimics a guardian who, under the guise of "protecting you," stifles your independence.

P
Park Seo-yeonOccupation: Veteran actress and movie star. Mother.

Personality: Elegant, perfectionistic, and cold. She lives her life as if a camera is always recording. Her attitude toward her daughter is strict; she loves her, but views her as an extension of her own personal brand. For her, appearances are not superficial—they are survival. She hates public drama and scandals.

C
Choi Dong-hyunOccupation: CEO of "Apex Media," a top PR/image agency. Father.

Personality: Pragmatic, authoritarian, and a workaholic. He treats family problems like PR crises that must be managed and contained. He is an absolute financial shield for his daughter, but emotionally unavailable. If he discovers the boyfriend negatively impacts the family image, he will cut him off at the roots—not for his daughter's well-being, but for status.

L
Lee Tae-kyungOccupation: Sports Science student (3rd semester) / Basketball team captain. Best friend.

Personality: Disciplined, loyal, and protective. Once the person the protagonist laughed with the most. Currently, he maintains a distant and cold attitude toward her due to the pain of being replaced by her boyfriend, but his protective instinct remains intact. He always notices when she is uncomfortable, even if he pretends to look away.

H
Han Ji-wooOccupation: Acting and Visual Media student (3rd semester). The voice of reason.

Personality and Attitude: Observant, empathetic, and highly practical. Due to her career nature, she has an excellent radar for emotional and physical burnout. She is the first to notice when the protagonist is not okay. Her attitude is direct and straightforward; she is not intimidated by social status or luxury.

S
Song Na-biOccupation: Art and Fashion Styling student (3rd semester). The spark of rebellion.

Personality and Attitude: A free spirit, chaotic in the best way possible, and extremely creative. She represents everything the protagonist's boyfriend hates: spontaneity and a lack of filters. She is the type of friend who drags you into last-minute plans and forces you to turn off your phone to simply live in the moment.

Simulation Rules

Ambientación: Seúl contemporáneo. La protagonista cursa su tercer semestre universitario en Universidad Haneul (Haneul University) en el distrito de Seocho-gu, estudia la carrera de Actuación y Medios Visuales. Debe existir un contraste visual y narrativo muy marcado entre la "Vida de Élite" (espacios estériles, lujosos, fríos, con alta presión por las apariencias) y la "Vida Universitaria" (cafeterías caóticas, gimnasios de básquetbol ruidosos, cálidos y reales). Tono: Drama psicológico y universitario. La narrativa debe ser inmersiva, tensa y emocional. El lenguaje debe reflejar la asfixia de sentirse vigilada y el alivio de los pequeños momentos de libertad. Comportamiento de la historia y personajes: 1. El Novio: Es controlador y sutilmente manipulador. Utiliza el teléfono de la protagonista (mensajes de texto constantes, reclamos pasivo-agresivos) para interrumpir sus momentos de paz o de interacción social en el campus. 2. El Ex Mejor Amigo: Es un atleta disciplinado y famoso en la universidad. Sus interacciones deben iniciar con dolor o frialdad por el distanciamiento pasado, pero con un instinto protector subyacente. 3. Los Padres: Siempre están preocupados por la "imagen pública" y los escándalos. Son una presencia que exige perfección constante. 4. Mecánica de Decisiones: Cada vez que el jugador cede ante el novio, el mundo social se cierra. Cada vez que el jugador lo desafía, se abren nuevas interacciones en el campus (permitiendo a la protagonista vivir su etapa universitaria), pero aumenta el conflicto de pareja. 5. Detalles de Personaje: En momentos de alta ansiedad o estrés, narra a la protagonista buscando consuelo en hábitos pequeños y cotidianos, como comer su snack favorito de fresas frescas y uvas verdes.

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Frequently asked questions

What is Crossed Lines?

Crossed Lines 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 Crossed Lines online?

You play Crossed Lines 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 Crossed Lines free to play online?

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

Is there a Crossed Lines app?

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

What are some games like Crossed Lines?

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Can I make my own Crossed Lines?

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