Persistent Interactive Fiction

Live the fiction.

Act. Adapt. Bear the cost.

SimFic is a persistent interactive fiction and AI roleplay engine for people who want a world that keeps its shape. Characters act from limited knowledge, places stay consistent, and consequences carry forward.

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Who it is for

For people who want a world, not a chatbot

SimFic works best for AI roleplay, interactive fiction, solo RPGs, and text adventures when continuity, pressure, and consequence matter more than easy wish-fulfillment.

AI roleplay

For players who want other characters to have their own limits, blind spots, and agendas.

Solo RPG

For stepping into a living world, acting freely inside it, and letting time and danger keep moving.

Interactive fiction

For readers who loved pick-a-path books and want that same pull, except the world is not prewritten.

Text adventure

For players who want to type naturally, improvise, and keep the world coherent across long sessions.

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How it works

Three steps into another world

Step 1

Describe your world

Share a description, genre, mood, literary reference, or brief user-owned excerpt. The Architect shapes a world from it, then goes silent.

Step 2

Step inside

The story begins mid-scene. Characters are already moving, clocks are already ticking, and the world is already alive.

Step 3

The world remembers

Every session resumes where you last left off: world state, character arcs, story progression, clocks, and past turn history.

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What makes it different

Built for immersion. Engineered for consequence.

SimFic is still AI roleplay, but the experience is closer to inhabiting a story world than steering one assistant voice. Characters know only what they could know. Spaces persist. Time passes. Consequences stay.

Consequences that persist

Decisions, injuries, losses, and relationships leave structural marks on what follows. No resets. No safety nets.

Realistic characters

Key characters know only what they could realistically observe. They can misread you, act on partial information, and surprise you.

Dramatic tension by design

Pacing rises and falls on purpose. Quiet scenes breathe. Crises escalate when they should.

Generated spaces that persist

Locations, objects, hazards, and inhabitants can crystallize when you breach new space. Once they exist, they stay consistent.

Range that serves the story

SimFic can handle strange, dark, or difficult material when the story calls for it. However, explicit NSFW, sexual, and erotic content is not allowed.

A world that keeps moving

Clocks tick, dangers mature, and offscreen agendas develop as part of the simulation, not just as reactions to your latest action.

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FAQ

What kind of thing is SimFic?

The short version: it is an AI story engine for people who care about continuity, surprise, and what happens next.

Is SimFic an AI roleplay app?

Yes. SimFic fits under AI roleplay, but it is built more like a persistent story world than a companion chatbot.

Is SimFic like AI Dungeon?

It lives in the same broad family, but leans harder into persistent world state, bounded NPC knowledge, and consequences that stick.

Do I have to type commands in a special format?

No. You can write naturally: actions, dialogue, questions, plans, or plain prose. It is closer to acting inside a story than filling out a command form.

Does SimFic remember across sessions?

Yes. World state, character arcs, clocks, and turn history persist across sessions.

Do NPCs know everything I type?

No. Key characters act on what they could plausibly observe or infer. Private context can shape narration without turning every NPC into an omniscient mind-reader.

Is the world only reacting to my latest message?

No. Clocks tick, danger matures, and offscreen agendas keep developing as part of the simulation rather than resetting around you.

Is this a good fit if I loved pick-a-path books?

Usually, yes. It aims for that same compulsion of "I need to know what happens next," except the world is simulated instead of branching from a fixed script.

Can it handle different genres or stronger material?

Yes. SimFic can support gentle, strange, dark, violent, horrific, or difficult material when the story actually calls for it, instead of flattening every scene into one canned voice.

Is explicit NSFW content allowed?

No. Explicit NSFW, sexual, and erotic content is not permitted. Non-graphic romance, intimacy, implication, aftermath, and fade-to-black are allowed in the mode of mainstream non-pornographic fiction.

How does pricing work?

There is no subscription. SimFic is pay as you go, starts with free credit, and lets you top up only when you need to.

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Pricing

Pay only for what you use

No subscriptions. Top up when you need to.

$0.50
per million tokens used by the engine
Free starting credit $0.50
Minimum top-up $5.00
Credits expire Never
Payment processor Polar
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Your story is waiting.

A world shaped to your vision. People with their own motives. Consequences that stay put. Start free; no credit card required.

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