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