Your choices stick
People remember. Resources change. Trouble follows you. A lucky escape today can become a problem later.
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Live a life inside a world that answers back.
Altworld is a free AI game in your browser — a life simulator and story sandbox where the world keeps state. NPCs remember, factions move, rumors spread, and your first ten turns need no account.
One sentence can change everything around you.
First Frost Village
World updating
Player types
Wait until dark and ask the watchman what he drinks.
Response appears
He laughs, softens at the mention of his daughter, and tells you where the hatch sticks. Someone in the square notices the conversation.
Suspicion
Rises
Rumor
South wall hatch
Obligation
Favor owed to Tomas
Supplies
Still scarce
What kind of stories can I live?
Pick a life. The pressure starts immediately.
Each run begins with a role, a place, and a problem that can grow into something much bigger.
Playable scenario
A starving peasant before winter
Blackmere, 1173
Count every loaf, every favor, and every lie while the cold gets closer.
A missed payment, a sick sibling, or a bad rumor can break the season.
Blackmere Vale · 1173Play This Run
Playable scenario
A smuggler in a drowned city
Brineharbor, 1692
Run contraband through flooded alleys, owe favors to dangerous people, and choose who gets sold out first.
The tide rises, patrols tighten, and debts never stay buried for long.
The Brackwater Coast · 1692Play This Run
Playable scenario
A frontier trader building a name
Redreach, 1878
Cross rough country, cut deals in bad towns, and decide when trust is worth more than coin.
One broken caravan or one clever alliance can rewrite your future.
Redreach Territory · 1878Play This Run
Playable scenario
A far-future operator on the edge of collapse
Asterfall Relay, 2231
Hold a failing outpost together while systems fail, loyalties drift, and survival turns political.
Every hard choice keeps something alive while putting something else at risk.
Asterfall Drift · 2231Play This Run
Why it feels different
A world you can get stuck in.
You can try anything
Type what you want in plain language. Negotiate, lie, investigate, travel, build, sabotage, command, or improvise.
Every run becomes your own story
Your life can continue over time, branch into different paths, and turn into something you did not plan.
Story outcomes
No two lives end the same way.
“I started as a broke trader and ended up owning two riverboats after one desperate winter contract worked out.”
“I tried to survive winter, got pulled into a theft, and ruined a family alliance that was supposed to save me.”
“I forged a sci-fi colony and accidentally turned my medic into a cult leader by trusting the wrong miracle.”
“I talked my way into a smuggling crew, then spent ten turns pretending I was loyal to people who hated each other.”
“I meant to be a decent local clerk and somehow became the quiet middleman for three competing factions.”
“I went out looking for food and came back with a rumor, a wound, and an obligation that changed the run.”
How it works
From idea to obsession in minutes
Step 101
Choose a world or make your own
Start from a featured setting, or describe your own in plain language.
Step 202
Create your character
Decide who you are, what you are good at, and what kind of life you are stepping into.
Step 303
Take your first turn
Write what you do. The world responds. Your situation changes. Now you are in it.
Ways to play
Find the kind of life you want to start.
Pick the search path closest to the run you have in mind.
Persistent life sim
AI Life Simulator
Play an AI life simulator where you become a person inside a reactive world and live with persistent consequences turn by turn.
Freeform role-playing
AI RPG
Play an AI RPG where natural-language choices change a persistent world with NPCs, factions, rumors, and survival pressure.
Emergent story
AI Story Game
Altworld is an AI story game where choices persist, characters remember, and each run becomes a life story shaped by pressure.
Write what you do
AI Text Adventure
Play an AI text adventure where natural-language actions update a living world instead of resetting with every response.
Live inside a period
Historical Life Simulator
Play a historical life simulator where period pressure, class, work, disease, trade, and politics shape every run.
Forge a world
AI Worldbuilding Game
Forge a playable AI world with factions, locations, NPCs, rumors, laws, economy, and starting pressure, then live inside it.
Open-ended, persistent
A Character AI Alternative Built for Stories
Looking for a Character AI alternative? Altworld is an open-ended AI roleplay sim where the world keeps state, people remember, and your story persists.
Freeform, but it sticks
An AI Dungeon Alternative With Persistent Worlds
An AI Dungeon alternative where freeform actions update a persistent world of factions, NPCs, and consequences you can save, share, and play together.
Life sim, no menus
An AI BitLife Alternative That Writes Itself
An AI BitLife alternative where you live a life in plain language — no fixed menus. The world reacts, people remember, and every choice has consequences.
Play a world together
A Multiplayer AI Story Game
A multiplayer AI story game: share a link, join the same persistent world, and shape an emergent story together turn by turn.
Roleplay, persisted
AI Roleplay With a World That Reacts
AI roleplay where your character lives in a persistent world of factions, NPCs, and consequences — solo or with friends, in any era you choose.
Live a medieval life
Medieval Life Simulator
A medieval life simulator where winter, debt, class, plague, and faction pressure shape every choice as you live a life turn by turn.
Person-scale alternate history
A Free Pax Historia Alternative — Live Inside the Timeline
Looking for a free Pax Historia alternative? Altworld is an AI alternate-history game where you play a person inside the timeline, not a country on a map.
From co-writing to living it
A Free NovelAI Alternative — Play the Story Instead of Writing It
Looking for a free NovelAI alternative? Altworld is a free browser AI game: instead of co-writing prose, you live inside a simulated world that keeps state.
What-if timelines
Alternate History Game Powered by AI
Play an alternate history game where AI simulates the what-if: pick a divergence, become a person inside the timeline, and live with the consequences.
Free to start
Free AI Game — Play in Your Browser, No Sign-Up
Play a free AI game in your browser: no download, no sign-up for your first 10 turns. Live a persistent AI life sim where the world remembers your choices.
FAQ
A few things people usually want to know first.
A few practical answers before you start your first run.
What kind of game is this?
Altworld is an AI game — a freeform life sim. You describe what your character does in plain language, and the world responds with consequences, changing situations, and new pressure.
Is Altworld free to play?
Yes. Your first 10 turns work as a guest with no account, entirely in the browser. Free accounts receive daily Candles that fuel continued play, and optional top-ups exist for long sessions.
How is Altworld different from AI Dungeon or Pax Historia?
AI Dungeon is freeform chat where the story is the state; Pax Historia is nation-scale strategy. Altworld simulates a persistent world at person scale: structured state — factions, rumors, prices, relationships — updates first, and the story is written from what actually changed.
Can I make my own world?
Yes. You can start from a featured setting or describe a world of your own and build a run from there.
Do my choices actually matter?
Yes. People remember, conditions change, resources move, and new obligations or risks can follow you into later turns.
Can I come back to the same story later?
Yes. Runs are saved as you play, so you can continue later or branch into a different path from an earlier point.
Do I need to know RPG rules?
No. You do not need to learn a rulebook. You just write what you want to do and play from the consequences.
Final step
Start with a choice. End with a life story.
No download. Start in your browser.