You have maxed out the endurance core stat.
You have hired every companion.
You have maxed out each of the gambling centers.
You have maxed out the strength core stat.
You have maxed out the intellect core stat.
You have at least 10 perks in the combat perk tree.
You have reached level 20.
You have completed the game within 150 days.
You have maxed out the dexterity core stat.
You have at least 10 perks in the stat effects perk tree.
You have at least 10 perks in the general perk tree.
You have reached level 30.
You have maxed out the attack core stat.
You have completed the game under level 5.
You have gained at least 100 slaves.
You have completed the game without saving.
You have learned every action.
You have become a master of the arena.
You have failed 5 combat rolls in a row.
You have reached level 10.
You have maxed out the defense core stat.
You have maxed out the agility core stat.
You have filled out the bestiary.
You have maxed out the charisma core stat.
You have discovered every location on the map.
You have joined the militia.
You have at least 10 perks in the training perk tree.
You have completed the game on the Overkill difficulty setting.
You have killed all NPCs in the world. (Save the travelers, of course.)