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Best free open-world browser games

Big 3D places to explore in a browser tab: cities, islands, mountains, whole planets. Wander, drive, fly or sail wherever you like.

16 games · ranked by players' votes, then plays · updated September 2026

  1. 1

    Off Road Earth

    You drive a customizable 4x4 truck or ride a mountain bike across real-world terrain, exploring freely or doing time trials.

    3dracingsports
    +1 4 players
  2. 2

    WALLROAM

    by u/WALLROAM

    Wander a small 3D Kabukicho, climb to the rooftops, and draw on the walls. No missions, just a place to explore.

    sandbox3dtoy
    0 5 players
  3. 3

    Summer Afternoon

    by Vicente Lucendo

    You wander a peaceful stylized grassy landscape on a summer afternoon, moving through the swaying scenery.

    3d
    0 5 players
  4. 4

    Lagoon Tree Village

    by cryptomanavan · built with Claude Opus 5.5

    Explore on foot a large desert oasis village built into giant trees around a turquoise lagoon.

    3dsandbox
    0 5 players
  5. 5

    Arkenfall

    by LexnLin · built with Claude Opus 5.5

    An open-world game that runs in your browser with zero external assets: terrain, creatures, and everything else generated in code.

    3dsandbox
    0 4 players
  6. 6

    Magic Carpet Wizard

    by threapchills · built with GPT-6 Astra

    Fly a magic carpet over a small, endless world of spires and sand, skimming rooftops and casting spells.

    3dtoysports
    0 4 players
  7. 7

    Ride Tales

    by Aurelien_Gz · built with Claude Code

    Pick a spot anywhere on Earth and drive around an open world doing quests and hunting for hidden treasure.

    3dracingsandbox
    0 4 players
  8. 8

    New York

    by Matt Shumer · built with Claude Opus 5.5

    An open-world New York City you can explore in the browser, built and continuously improved by Opus 5.5.

    3dsandbox
    0 3 players
  9. 9

    Icare

    You explore dreamlike worlds, talk to dreamers and collect artifacts to restore each world and recover your lost feathers.

    3dsandbox
    0 3 players
  10. 10

    Farseer

    by headsupernova

    Fly without a break from Earth's surface out to the deep field in a 3D universe explorer based on real measurements.

    3dsandboxtoy
    0 3 players
  11. 11

    Glider - One Throw. Endless Sky.

    by mrtwizzles · built with GPT-6 Astra

    Throw a paper airplane and fly it through endless biomes in free roam, keeping an eye on your distance, speed and altitude.

    3dsandboxtoy
    0 3 players
  12. 12

    vackrooms

    by Pablo Stanley

    You wander an endless, seed-generated Backrooms maze in first person with a VHS filter, while a creature only moves when you aren't looking at it.

    3dpuzzlearcade
    0 3 players
  13. 13

    SKROT

    by Oskasb

    Fly a detailed F-14 Tomcat over a large open world, or take a boat out on the water, with adjustable physics settings.

    3dsandboxtoy
    0 2 players
  14. 14

    Bruno Simon's Portfolio

    by Bruno Simon · built with Three.js

    A developer portfolio you explore by driving a tiny car through it.

    3dtoy
    0 1 player
  15. 15

    Keep Out!

    by Little Workshop

    You explore a dungeon as a hero, fighting monsters and collecting better weapons as you go deeper.

    3dsandbox
    0 1 player
  16. 16

    CSS 3D Dungeon

    by MeroVinggen

    You explore a small medieval dungeon built entirely from HTML and CSS 3D transforms.

    3dnarrative
    0 0 players

Every game here is free and runs in your browser with nothing to install. The order comes from players on Joystumble: thumbs up and down (weighted so a few votes don't outrank many), then how many people played. Made one that belongs here? Submit it.

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