Here is the full list of all 40 A Legionary's Life achievements.
Win a javelin contest.
Win a Bronze Armilla.
Win a foot race.
Defeat Epidius.
Reach the rank of Tesserarius.
Survive the siege of New Carthage.
Find out every weakness of the Numidian camp.
Win a Cup.
Win 10 Cups in one game.
Win a Silver Armilla.
Win a Gold Armilla.
Win a Civic Crown during the campaign in Hispania.
Win a Civic Crown during the campaign in Africa.
Win a Mural Crown.
Win a Bronze, Silver and Gold Armilla in one game.
Reach the rank of Optio.
Reach the rank of Centurio Posterior.
Reach the rank of Centurio Prior.
Survive one game.
Defeat Lucius Junius.
Reach at least 50 in both the Sword and the Shield Skills.
Reach at least 71 in both the Sword and the Shield Skills.
Offer a sacrifice to the gods, but doubt its usefulness.