Field Station — Arcade
Sizing Up
Comparative anatomy at speed. Pick the species that answers the prompt; the run continues for as long as you stay right.
0 Embers← Field Station hub
0
Current Run
0
Best Run
Introductory
Difficulty
Which species was more massive?
Run Ended
—
Values are published scientific estimates: adult mass, adult length (wingspan for pterosaurs), and geological age. Daily Embers from Sizing Up are capped at 45.