You completed all the camps with a gold medal
You finished the game in "Easy" mode or a higher difficulty setting
You finished the game in "Normal" mode or a higher difficulty setting
You finished the game in "Difficult" mode
You finished Chapter 6 - Save the village
You finished Chapter 5 - Rome
You bought all the character upgrades
You finished Chapter 4 - Crete
You warmed up 100 Romans
You finished Chapter 3 - Tyre
You collected 10,000 helmets
You made a Roman hit a target
You finished Chapter 2 - Thule
You froze 100 Romans
You sent 6 Romans flying with a single uppercut
You stunned 250 enemies with Romans falling back to the ground
You defeated 500 Romans under the effect of a magic potion
You defeated 1,500 Romans
You threw 100 Romans
You threw a Roman and hit 10 enemies
You did a 200-hit combo
You possessed 5,000 helmets
You stunned 250 Romans
You defeated 10 Romans with a barrel of powder
You finished Chapter 1 - Gaul
You did a 100-hit combo
You defeated 500 Romans
You bought a character upgrade
You recovered the Crystal Menhir
You did a 50-hit combo
You threw one Roman back and forth 5 times with another player