Here is the full list of all 13 Guilty Gear (EU) trophies - there are 10 bronze, 2 silver and 1 gold.
Defeated Justice
Clear Normal Mode with Millia
Clear Normal Mode with all characters
Defeated Baiken
Clear Normal Mode with Sol
Clear Normal Mode with Ky
Clear Normal Mode with Chipp
Clear Normal Mode with Kliff
Clear Normal Mode with Potemkin
Clear Normal Mode with May
Clear Normal Mode with Axl
Clear Normal Mode with Zato=1
Clear Normal Mode with Dr.Baldhead