Barbarians are attacking Rome. But they're not just barbarians, they're grammar-savvy barbarians! You are Grammaticus Maximus, the leader of the Roman army. By sending legionnaires of the correct inflection to the onrushing barbarians you can save Rome from destruction.

Defend Rome with your grammar skills, win the favor of the gods by sacrificing to them in their temples, and rain down the vengeance of Jupiter on the barbarians. Grammaticus Maximus turns learning and practicing Latin grammar into a gaming challenge.