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