GuessKinAnatomy
Guess the mystery body part! Each guess reveals how structures relate through the anatomical classification tree.
How It Works
Guess a Structure
Type any body part. Choose from over 240 structures spanning bones, muscles, organs, and nerves.
See the Tree
Each guess reveals the anatomy tree — showing how body parts relate through shared organ systems.
Find the Target
Use system clues to narrow down. The femur and patella are both leg bones — can you find it in under 5 guesses?
One Structure Per Day
Every day at midnight UTC, a new mystery structure is chosen — the same one for everyone around the world. You get 20 guesses to find it. Share your results with friends and compare scores!
Game Modes
Multiple ways to test your knowledge
Real Terminologia Anatomica Data
GuessKin Anatomy uses real Terminologia Anatomica data. Every node in the tree is based on real classification data.
Share Your Score
Get a Wordle-style emoji grid to share with friends
Free · No account needed · Works on mobile