Seven small puzzles, each from a different field. Played by everyone, refreshed at midnight.
Identify the bone, then five bonus rounds.
Hint · A bone from the human skeleton.
Landlocked in Central Asia.
Late Cretaceous, North America.
White to move and win.
Visible in the northern winter sky.
Atomic number under 20.
4 puzzles today
Seven days, one body system. Get every puzzle right to unlock the bonus.