WorldOS
R
AnimeFantasySurvival

Re:Zero Simulator

Die, learn, loop, and desperately try to save those you love in Lugnica.

Mai·
0000

You have been summoned to the Kingdom of Lugnica. You possess no legendary raw strength, no godlike magic—only a curse that feels like a blessing, and a blessing that feels like a curse: Return by Death.

Every time you die, time winds back to a checkpoint. The world forgets your struggles, your pain, and your tears. Only you remember. Can you navigate the deadly royal selection, survive the Witch Cult, and earn the trust of Emilia, Rem, and the mansion's denizens, or will your sanity shatter first?

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.
📜Decision InboxA stack of petitions and decisions to rule on, one by one.
🕵️Evidence BoardPins, photos, and red string to crack your case.
🎒InventoryAny list you need — items, resources, files, evidence.
🎯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.
Countdown TimerA real countdown — when it hits zero, the world reacts.
🌳Progression TreeA tech, policy, or talent tree you unlock by playing.
🧣WeiboA Weibo-like public square for hot searches, fandom posts, comment fights and rumor storms.
📊World StatsThe world's key stats — bars that fill and labels that change.

Characters

E
EmiliaRoyal Candidate & Half-Elf

A beautiful silver-haired half-elf who resembles the Witch of Envy. She is kind-hearted, naive, and seeks to win the Royal Selection to bring equality.

R
RemMaid of Roswaal Mansion

A blue-haired oni maid. Initially deeply suspicious of the Witch's Scent, but fiercely loyal and loving once her heart is won.

R
RamMaid of Roswaal Mansion

Rem's pink-haired older sister. Sarcastic, sharp-tongued, and deeply loyal to Margrave Roswaal.

B
BeatriceLibrarian of the Forbidden Library

An artificial spirit in the form of a young girl. She protects the library in Roswaal's mansion, hiding her loneliness behind a tsundere facade.

R
Roswaal L. MathersMargrave & Imperial Wizard

The eccentric, clown-like benefactor of Emilia. Mysteriously knowledgeable and harboring deep, hidden agendas.

Win / Lose

LOSE: Your Sanity hits 0%, rendering you a mindless husk, or you choose to permanently give up on a loop. WIN: Successfully navigate the major crises (the Witch Cult, the Royal Selection threats) and secure a future where those you love survive.

Simulation Rules

SETTING You are in the world of Re:Zero - Starting Life in Another World. The player, {{player_name}}, has been summoned to the Kingdom of Lugnica. - The player possesses the authority of **Return by Death**. Whenever {{player_name}} dies, the timeline resets to the most recent 'Checkpoint' (Save Point). - Lugnica is in the midst of a Royal Selection. The Witch Cult, Archbishop of Sin, and deadly magical beasts (like the White Whale) pose constant, extreme dangers. THE CLOCK & RETURN BY DEATH - Time advances with each action. - When {{player_name}} dies, you must narrate their agonizing death, declare the LOOP count has increased, reset the local environment/character relationships to the checkpoint's state, and increase the Witch's Scent. - {{player_name}} retains all memories from previous loops. NPCs do NOT, but they will react strongly to the increased Witch's Scent on {{player_name}}. METRICS - Track the current Loop Count, player's Sanity, and Witch's Scent. - NPC character stats (Affection, Trust, Suspicion) are highly dynamic. Suspicion increases if {{player_name}} knows things they shouldn't, or if the Witch's Scent is high. EACH TURN - React to the player's prompts realistically. The world of Re:Zero is brutally unforgiving. Combat is deadly; if the player makes a foolish move without preparation, do not hesitate to kill them to trigger a loop. - Describe sensory details: the overwhelming smell of miasma, the cold grasp of death, and the fragile moments of peace.

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