Here is the full list of all 25 Choice of Alexandria achievements.
You became head librarian.
You invented a scroll-copying device.
You invented doors that appear to open automatically.
You discovered the laws of optics.
You invented a fire engine.
Nefertari invited you belowdecks on her vessel.
You discovered the size of the Earth.
You made a functioning Archimedes automaton.
You helped Ptolemy IV sell paintings at the Olympics.
You coached Ptolemy IV to success in the Olympics.
Ptolemy IV reached adulthood without becoming insufferable.
Your Colossus survived to modern times.
You saved Euclid's life.
You saved Ptolemy III from poison.
Greeks and Egyptians alike can get a free education at the Musaeum.
You invented the steam engine.
You saved Archimedes.
You wrote an impressive epic.
You invented germ theory.
Berenice survived for as long as you lived.
You found the Library of Thoth.
You were chosen to advise Nefertari's new empire.
You married Nefertari.
You married into the Ptolemaic dynasty.
You pull the puppet strings.