Make a 3D open world game with AI
Build sprawling 3D worlds in Three.js or 2D sandbox worlds without writing code. Topvon AI generates procedural biomes, drivable vehicles, roaming factions, questlines, day-night lighting and a live minimap.
Start building - free · Play games made with AI
Try one of these ideas
- A 3D open-world sci-fi frontier game in Three.js with a hoverbike vehicle, 3 biome outposts, roaming sentinel mechs, crystal mining, weapon upgrades and a day-night cycle
- A 3D open-world island adventure with a sailing boat, treasure dungeons, NPC merchants, sword & bow combat, stamina bar and radar minimap
- A neon cyberpunk 3D open-world city district where you drive a hovercar, take bounty missions, upgrade cyberware in a shop and fight syndicate bosses
What you get
- Procedural 3D terrain, cities, islands & outposts rendered at native High-DPI
- Drivable vehicles, mounts or jetpacks with smooth third-person follow camera
- Dynamic day/night lighting, weather particles, quest markers & radar minimap
- NPC merchants, inventory, weapon upgrades & multi-phase boss encounters
How it works
- Describe your game: Write your idea in plain words, in English, Arabic or any language. More details give a better game.
- Play it right away: Topvon writes every file, runs the game in your browser, checks it and fixes errors automatically.
- Improve and publish: Ask for changes in chat, then publish to the Topvon Arcade with a link you can share anywhere.
Questions
How big can a browser open-world game be?
With procedural chunk generation and instanced 3D meshes in Three.js, your world can span huge distances while loading in under two seconds.
Can I save the player’s progress in an open-world game?
Yes. Topvon automatically saves inventory, credits, unlocked weapons and quest progress to localStorage.
Is it free?
Yes. Every account gets a free daily allowance. Paid plans add more usage and more published games.
Do I need to know how to code?
No. You describe the game; Topvon writes, tests and fixes the code. Developers can still read and edit every file.
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