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Skeletal System 3D Anatomy Quiz: Free Three.js Browser Game

Explore a full 3D human skeleton in your browser. This free educational game is built with Three.js and WebGL by Indie Forge Studio and works on phones, tablets and desktop with no download.

Objective

Learn the major bones of the human body, then score as high as you can in the 12-question Bone Quest quiz. Get 9 or more right to earn the Bone Expert badge.

Controls

• Rotate: drag with one finger or the mouse.
• Zoom: pinch, or use the mouse wheel. Two fingers pan.
• Identify: tap or click a bone to see its name, region and a short fact.
• Regions: show or hide the skull, spine, ribcage, arms, or pelvis and legs. Isolate shows only the region of the selected bone.
• Quiz keys: A to D or 1 to 4 answer, Esc quits, M mutes.

Scoring

Every correct answer scores 100 points plus 20 for each answer in your streak. A miss or skip resets the streak. You finish with a rank from First-Day Intern to Chief of Anatomy and up to three stars.

FAQ

How do I play the Skeletal System 3D Anatomy Quiz?

Press Tap to Play, then drag to rotate the skeleton, pinch or scroll to zoom and tap any bone to see its name and region. Use the region buttons to show or hide the skull, spine, ribcage, arms or pelvis and legs. Press Start Bone Quest Quiz to answer 12 questions: tap the named bone on the model, name the highlighted bone, or answer a bone fact.

How does scoring work in the Bone Quest quiz?

Each correct answer is worth 100 points plus 20 points for every answer in your current streak. A wrong answer or a skip resets the streak. At the end you get a rank and up to three stars, and 9 or more correct answers out of 12 earns the Bone Expert badge. Your best score is saved on this device.

Is it free and does it need a download?

Yes. The game is free and runs instantly in your web browser on phones, tablets and desktop computers. There is nothing to download or install.

What is it built with and where do the 3D bones come from?

It is a 3D browser game built with Three.js on WebGL by Indie Forge Studio. The bones come from Z-Anatomy (CC BY-SA 4.0), based on BodyParts3D by The Database Center for Life Science (CC BY-SA 2.1 JP). The modified meshes are shared under CC BY-SA 4.0. It is a learning tool, not for diagnosis or clinical use.

Anatomy models: Z-Anatomy (CC BY-SA 4.0), based on BodyParts3D, © The Database Center for Life Science (CC BY-SA 2.1 JP). Modified meshes shared under CC BY-SA 4.0. For learning only; not for diagnosis or clinical use.