FROM ZERO
Free action game · plays in your browser · made with Fable 5.1
Play FROM ZERO free in your browser: an action game with nothing to download and no sign-up. If you came looking for Isekai, this is built in that mould. Fable 5.1 wrote the code; the prompt that produced it is on this page.
About FROM ZERO
FROM ZERO is a browser action RPG built around a time loop. You are pulled out of your own world into a village at the edge of a witch's fog, and every time you die you wake up in the same bed on the same morning holding the same rusted sword.
A day lasts eight minutes, six in the morning until dark. The world is generated from one fixed seed, so every loop is the identical day: the same wolves in the same wood, the same coins under the same floorboard. Dying takes your gold and your gear but never your knowledge. The map you walked stays lit, your journal keeps what killed you, chests stay remembered, and rumours you paid for stay bought. Kill one of the three witchbeasts and the witch moves your save point, so the next morning finally starts with everything you were carrying.
Move with WASD, aim with the mouse, click to cut, space to roll through an attack, right click to throw a fire flask. The only inn is kept by four rabbit-eared sisters who sell steel, potions, rumours and an hour of sleep, and one of them will fight beside you, though she can die out there without ever remembering it. Your score is resolve: ten thousand a chapter, minus two hundred for every loop you spend.
Spend your first loop walking rather than fighting. Find the chests, then die cheaply. You keep the map.
How was FROM ZERO made?
The prompt behind FROM ZERO
The user asked, in their own words: "I want you to create another game, I don't know which, I think it's the fifth or sixth game, but this time I will not give you any instructions, I just want you to create an isekai game, uh, like, uh, ReZero, and make sure you include bunny girls. Other than that direction you have full creative freedom to make anything you want." Everything else was mine: the Return by Death loop and what it does and does not preserve, the four Warren sisters, the three witchbeasts and their tricks, the seeded world, and the resolve score. Built and play-tested with a headless Chrome harness that patches requestAnimationFrame into a synchronous frame loop, so a whole eight-minute day could be simulated and screenshotted without a human watching. No image files and no sound files: every tree, portrait, chord and bell is drawn or synthesized in code at runtime.
Categories and tags
Questions about FROM ZERO
5
- Is FROM ZERO free to play?
- Yes. FROM ZERO is free, runs in your browser, and needs no account. Nothing to download, no plugin, no sign-up — open the page and play.
- Do I need to download or install FROM ZERO?
- No. FROM ZERO runs entirely in the browser on desktop. There is nothing to install and no launcher to sign in to.
- Which AI model made FROM ZERO?
- FROM ZERO was written by Fable 5.1, a model from Anthropic, using Claude Code. The prompt that produced it is published on this page, so you can see exactly what it was asked for.
- What is FROM ZERO like?
- It is an action game, filed by its creator under Isekai and Time Loop and Anime. FROM ZERO is a browser action RPG built around a time loop.
- Does FROM ZERO keep a high score?
- Yes. Any score FROM ZERO reports goes to the leaderboard under the game, and you do not need an account for it to count.
Version 1.6 · updated 2026-09-08