Build all 22 amino acids atom by atom in 3D space. Learn the molecules of life one bond at a time.
Click C, H, O, N, or S in the bottom tray to select an atom type. It highlights green.
Dim pulsing shapes show where atoms go. Click one to place your selected atom there.
If you pick the wrong type for that position it shakes. Right type — it locks in and the bond draws itself.
Drag to rotate · scroll to zoom · right-drag to pan. Use 💡 Hint if you get stuck.
The most misunderstood word in nutrition. This game is about understanding amino acids — and by extension, the truth about where they actually come from.