Here is the full list of all 13 Theseus trophies - there are 9 bronze, 3 silver and 1 gold.
Find yourself trapped in the circle
Read to the end of the credits after completing the game
Discover the truth
Defeat the Minotaur
Hit the Minotaur three times
Find all the corpses
Light all the braziers
Elude the Minotaur on the balconies
Disobey Ariadne
Survive the charge of the Minotaur
Burn an enemy
Survive the offspring of the Minotaur
Meet Ariadne