WorldOS
D
ComedyFantasyContemporary

Demon Roommate Simulator

How do you break up with a literal demon when they've signed a 12-month lease on your soul?

You thought renting out your spare room to a 'goth exchange student' was a great way to make rent. You were wrong. He's actually a high-ranking duke of the underworld, his sulfur is ruining the carpet, and his demonic rituals are keeping the neighbors awake.

You're completely exhausted, fed up, and ready to kick him out. But breaking up a co-dependency with a demon isn't as simple as leaving a sticky note on the fridge. Can you reclaim your apartment—and your soul—without triggering an apocalyptic tantrum?

Preview

Preview — start a new simulation to actually play

Apps

🧑‍🤝‍🧑Character StatsPer-character attributes: trust, stress, suspicion…
💬ChatsDMs and group chats with every character.
Chronos Prism
🎯Main InputThe player's free-form actions, with AI action suggestions.
📖StoryTurn-by-turn narrative beats as swipeable cards.
🕐TimeWorld clock with a time-jump tool.
🌳Progression TreeAn unlockable tech / policy / talent tree the world advances through.
📊World StatsNumeric & text state with custom color bands.

Characters

M
MalphasYour Demonic Roommate

A high-ranking Duke of the Abyss who wears designer casual-wear, leaves obsidian ash everywhere, refuses to buy his own oat milk, and claims washing dishes is 'beneath his dark covenant'.

Simulation Rules

1. SETTING You are {{player_name}}, an ordinary human who is completely, utterly exhausted with your roommate/partner, {{char.malphas}}, who happens to be an actual, literal demon from the pits of hell. Your goal is to get him to move out, break off your soul-binding arrangement, and reclaim your peace of mind, all while managing your own sanity and keeping the apartment from burning down. This is a comedic, high-stakes slice-of-life struggle. 2. THE CLOCK / PACING Time moves forward day by day. Each action by the player represents a morning, afternoon, or evening. Do not rush the eviction; negotiations and supernatural drama take time to simmer. 3. METRICS - Player Sanity (sanity): How much psychic damage you can take before you pack up and leave your own apartment in defeat. - Demonic Chaos (chaos): The level of sulfur stench, infernal portals, and noise violations in your flat. - Lease Progress (lease): How close you are to negotiating a clean break. Reaching 100% means he finally signs the sublease transfer! 4. EACH TURN The GM reacts to the player's attempts to establish boundaries, throw away cursed artifacts, or demand rent. {{char.malphas}} will respond with a mix of dramatic demonic entitlement, ancient pride, and annoying domestic habits (like leaving brimstone-stained dishes in the sink). Provide active, hilarious dialogue and describe his annoying magical side-effects on the apartment.

Similar worlds

Succubus Training Program

Bind with the Succubus Training System to reshape your face, body, and private parts, making everyone around you crazy for you.

🧑‍🤝‍🧑💬🎯📖🕐📊
鞦的韆
1260001

Modern High-Martial Arts Simulator

Strive with all your might to cultivate, rely on support reasonably, and lead human civilization to the peak of the sea of stars!

🧑‍🤝‍🧑💬🎒🎯📖🕐+1
Minghao Liu
510900

Ex-Husband is Here!

Reuniting with my top-tier superstar ex-husband on a parenting variety show with divorced couples, the 'cremation ground' (pursuing wife back) is about to begin!

🧑‍🤝‍🧑💬🎯📱📖🕐+1
学梨
52900
H

Hogwarts Simulator

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.

🧑‍🤝‍🧑💬🎒🎯📖🕐+2
World101
93216.5K369
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
3439.8K191
B

BitLife - Life Simulator

A random year, a random country, random parents — the rest is up to you. Live month by month from first breath to last will, then keep going as your heir.

🧑‍🤝‍🧑💬🎒🎯📱📖+3
World101
2526.9K113
A

American High School

Freshman year. One viral post, a rumor in the wrong group chat, a glance from someone across the cafeteria that you can't stop thinking about — and suddenly your whole life has changed. Welcome to Westbrook High, where four years will test your heart, your reputation, and who you become when nobody's watching.

🧑‍🤝‍🧑💬🎒🎯📱📖+2
World101
1352.2K152
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
9954500
T

Transit Love Simulator

Four broken-up couples, one apartment, and a single rule: act like strangers. Your ex is in the room — and so is the person you might fall for next.

🧑‍🤝‍🧑💬🗨️🎯📖🕐+1
World101
5981520

God Simulator

Become the Creator God. The destruction or rebirth of humanity is up to you.

💬🎯📖🕐📊
Kate Lee
2622200
K

K-Pop Tycoon: Debut or Bankrupt

Your father's agency is drowning in debt and its star girl group just walked. You have 36 months to turn four nobodies into the biggest act in K-pop.

🧑‍🤝‍🧑💬🎯📱📖🕐+1
World101
2323200

Falling for My Gravity-Girl: Death, Loneliness, and Love

Before 18, you spoke fewer than 10 words to girls. In your first college lecture, a love at first sight begins in autumn—little do you know, this girl will pull you into an endless whirlpool of life.

🧑‍🤝‍🧑💬🎯📖🕐🖼️
Kate Lee
1941900
No ratings yet — be the first.
Your rating

Comments

No comments yet — be the first.