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A browser-based world sandbox built around real places. Explore Earth and space, drive, fly, build, own virtual property, meet other explorers, and help improve mapped buildings with photos.

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World Explorer 3D

5.5 release notes · Known limitations · Roadmap

Play in your browser Latest release Platform: WebGL License: Source Available

World Explorer 3D is a browser-based world sandbox built around real places. Choose a location, step into a bounded playable world, and explore by land, water, air, or space. Discovery, vehicles, virtual property, persistent building, photo-based home improvements and shared rooms connect the experience.

The 5.5 update brings fuller regional building and road coverage, terrain and buildings that follow travel, more connected bridge and tunnel approaches, and a research-vessel journey from deck to water and back. Public weather and marine data add context without a paid data subscription. Existing locations and player progress remain part of the same game. Dense-city pauses, uneven art quality and bounded world size remain known limitations.

Play World Explorer 3D · Controls · 5.5 release notes · Roadmap

Explore by land, sea, air and space

Search for a city, landmark, airport, harbor or coordinates. Walk its streets, drive, fly, sail, fish, survey habitats, build, or join a multiplayer room. Your Backpack, Journal, Field Guide, companions and saved places travel with you.

Regional terrain and mapped buildings can load as you fly farther from your starting point. Detailed streets, interiors and activities remain in the selected district. Turn traveling scenery on or off in Graphics settings.

Drone view between downtown Baltimore buildings

Gameplay screenshots from the released 5.5.0 build.

Explore on foot Drive the city
Walking with a companion along Light Street in Baltimore The BMW E34 on Light Street near Baltimore Inner Harbor
Take flight Your research vessel
A player aircraft flying beside Baltimore Inner Harbor Walking beside the dive platform on the research vessel
Below the surface Aboard Solis Reach
Scuba swimming over the seabed during the Coral Shelf research outing Bridge instruments and a crew member on the Solis Reach command deck
Beyond Earth Live Earth
Approaching Saturn and its rings using flight assistance The Live Earth globe displaying recent observed USGS earthquakes

What you can do

  • Explore on foot, by car, drone, plane, helicopter, boat, ship, rover, astronaut on solid planetary surfaces, or spacecraft; or use optional Live GPS play while walking.
  • Drive vehicle families with distinct vehicle handling, visible condition, and enterable responder vehicles.
  • Visit supported mapped airports to board aircraft, choose pilot or passenger travel, search for destinations, or take a local sightseeing flight.
  • Search for places by familiar names, including cities, landmarks, airports, and other expected location searches.
  • Use configurable Backpack quick slots for field tools, fishing gear, equipment, and ranged actions.
  • Photograph, inspect, survey, identify, fish, follow tracks and signs, and record finds in the Journal and Field Guide.
  • Explore eleven regional Field Guide packs with 180 attainable entries across the built-in Earth destinations.
  • Care for companions, build trust and levels, and travel with eligible domestic, bird, and livestock companions.
  • Enter persistent multiplayer rooms with presence, chat, activities, shared Blocks, and room vehicles.
  • Use Quick Build to place persistent Blocks in local play or a multiplayer room.
  • Leave Earth for the Moon, planets, the solar system, and selected deep-space destinations, with manual flight always available.
  • Try Interstellar Expeditions in Alpha: live aboard Solis Reach, work with its crew, respond to voyage events, and fly Pathfinder to supported planetary sites and back.
  • Claim a first virtual property, list or purchase available properties with Explorer Credits, and connect planetary samples to the same Backpack, cargo, and mapped-business exchange loop.

Explore the ocean

Start an ocean outing aboard the research vessel. Walk to deck stations, enter the water, swim and scuba dive, deploy the submarine, and recover to the same ship. A saved aboard voyage resumes on deck. Ocean environments and wildlife remain limited; the larger licensed-asset and ecology upgrade is still planned.

Beyond Earth

Fly manually or use optional Wayfinder assistance. Interstellar Expeditions Alpha connects life aboard Solis Reach, planetary fieldwork, Pathfinder travel and saved voyage progression. Ship art, crew motion, mission variety, sound and planetary detail continue to develop.

Multiplayer and building

Multiplayer uses bounded rooms rather than one continuous MMO world. A room shares one location, player presence, chat, activities, persistent vehicles, and player-built Blocks. Private rooms use invite codes; public rooms can be found by city.

Quick Build places persistent Blocks in the current location. Local builds stay on your device; room builds can be shared with other signed-in explorers.

World data and accuracy

Earth scenes use OpenStreetMap-derived geometry and other attributed public or licensed sources. Coverage, freshness, height information, and provider availability vary by location. Mapped, observed, modeled, reference, and game-created content stay visibly distinct.

World Explorer 3D is a game. It is not a navigation, appraisal, surveying, wildlife-presence, or safety service.

Required map attribution: © OpenStreetMap contributors

Run locally

Requirements: Node.js 22+, Java 21, and a browser with WebGL support.

git clone https://github.com/RRG314/WorldExplorer3D.git
cd WorldExplorer3D
npm install
npm run build:hosting -- --firebase-env staging
python3 -m http.server --directory dist 4173

Open http://127.0.0.1:4173/app/.

Keyboard and touch controls support browser zoom, visible focus, higher contrast, larger text, and reduced motion.

Core exploration can run without production credentials. Accounts, multiplayer, moderation, and other online features require an authorized environment. Secrets are not included in the repository.

More about the project

License

Copyright © 2026 Steven Reid / World Explorer 3D. All Rights Reserved.

This repository is publicly viewable under the custom source-available terms in LICENSE. It is not licensed as OSI open-source software, and attribution alone does not grant permission to copy, redistribute, publish, host, or create derivative works. Third-party data, software, and assets remain subject to their respective terms in ATTRIBUTION.md and ACKNOWLEDGEMENTS.md.

About

A browser-based world sandbox built around real places. Explore Earth and space, drive, fly, build, own virtual property, meet other explorers, and help improve mapped buildings with photos.

Topics

Resources

Contributing

Security policy

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24 stars

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