Repetitio Est Mater Memoriae is an achievement and trophy in the video game Sine Mora. It is obtained by being promoted to Lieutenant, completing the alternative story narration, absorbing 200 score tokens, emptying 100 full capsules, finishing a stage without taking damage, fully upgrading a primary weapon, playing for five total hours, completing the same stage with all airplanes and spending 100 seconds on the highest rank. As an achievement, Repetitio Est Mater Memoriae is worth 20 Gamerscore, while its trophy is bronze. "Repetitio est mater memoriae" is a Latin phrase meaning, "repetition is the mother of memory."