Here is the full list of all 15 Swords and Sandals Spartacus achievements.
Escape the Ludus Dungeon
10 Slaves Rescued
50 Slaves Rescued
100 Enemies Killed
500 Enemies Killed
100 Embers Collected
10000 Treasure Collected
50000 Treasure Collected
100000 Points Scored
Glaber Killed
Publicola Killed
Crassus Killed
Pluto Killed
Underworld Reached
Game Completed