Keep your streak alive
Play once a day and watch the number climb. Missed a day? Catch up on any of the last seven and the streak mends itself.
From the Institute of Human Anatomy
Guess the body part. Every day.
A one-minute 3D anatomy game. Spin a real model, take one guess, then watch IOHA’s anatomists explain the answer.
On your computer? Scan to play on your phone.
Made with the anatomists behind the Institute of Human Anatomy
- 8M+YouTube subscribers
- 20M+followers across YouTube, TikTok & Instagram
- 1B+YouTube views
- Real laba cadaver lab in Salt Lake City, Utah
How it works
Spin it. Find it. Learn it.
- 1
Spin it
Turn and zoom today’s structure from any angle, then take your one guess.
- 2
Find it
Stuck? Show it in the body and see exactly where it lives.
- 3
Learn it
Right or wrong, see the answer, and most days an IOHA video that covers it.
Built for a daily habit
One minute a day adds up.
Race everyone else
Get it right first to top today’s board, or out-last everyone on the streak board.
Learn it from the lab
Most days the answer comes with an IOHA video on it: real anatomists, a real cadaver lab.
Real 3D anatomy
Turn it, zoom it, find it in the full body. Models adapted from open anatomy atlases.
Study Mode
676 structures across every body system as quick flashcards, on the same 3D body.
Your streak, anywhere
No account needed to play. Sign in with just your email to keep your streak across devices.
Study Mode
Want more than one a day?
- 676 structures across every body system
- Quick flashcards on the same 3D body as the daily game
- One free 5-card session every day
Unlimited sessions are part of Premium, coming with the iPhone and Android apps.
Questions
The short answers.
Is it free?
Yes. The daily puzzle is free for everyone, every day, with no ads. Study Mode includes one free 5-card session a day.
Do I need an account?
No. Just play; your streak is saved on your device. Sign in with your email (we send you a 4-digit code, no password) to keep it across devices and get on the leaderboard.
Is it real anatomy?
Yes. The 3D models are adapted from open anatomy atlases (credits), and most days the answer links to an Institute of Human Anatomy video that covers it.
What’s in Premium?
Unlimited Study Mode: as many sessions as you like, up to 50 cards each, across every body system. The daily game stays free either way.
Is there an app?
The iPhone and Android apps are on their way. Until then the web version is the whole game: same daily puzzle, same streak.
Today’s structure is waiting.
One guess. About a minute. See if you know your body.
Play today’s puzzle