Build a game fully
in your browser.
Craft a story worth playing.
Atreus is a 2D game editor you drive by conversation. Design worlds, write dialogue, generate art — no engine to install, no pipeline to run. Open a tab and start making.
Runs in your browser · drive it with ChatGPT, Claude, or any MCP agent.
Actors
Zones
Battles
Dialogue
Quests
Scenes
Items
Music
you › add a tense reunion on the harbor map — 3 beats, a locked-door puzzle
atreus › drafting scene · linking actors lyra + kael · placing puzzle…
✓ scene “harbor-reunion” added — 3 beats, 1 puzzle, refs validated
you › generate portraits for lyra and kael
atreus › generating sprites via PixelLab · importing to assets…
✓ 2 portraits added — ready to place in dialogue
Build in your browser
A full 2D RPG editor — maps, actors, battles, items, quests — running in a tab. Nothing to install.
Craft the story with AI
Author scenes, dialogue, and puzzles by conversation. Drive it from ChatGPT, Claude, or any MCP agent.
Generate the art
Turn prompts into sprites, tilesets, and portraits with PixelLab — bring your own key, it stays yours.
Pricing
Free to try. $20/mo to build.
Create an account and explore the editor. When you’re ready to build for real — full projects, AI authoring, and publishing — Atreus is $20/month.
Atreus is being built in the open — with you.
We want your feedback on the editor. Tell us what’s clunky, what’s missing, and what you wish it could do — then watch it get built. Our Discord is where every feature request, bug report, and build-log lives.
Join the community on DiscordShare feedback · report bugs · shape the roadmap
Make your first scene tonight.
Open a tab, sign in with Heimech, and build something worth playing in minutes.