Here is the full list of all 13 Zombies: The Last Survivor trophies - there are 9 bronze, 3 silver and 1 gold.
You've got all the Shotgun upgrades
You've got all the Submachine upgrades
You've got all the Standard Gun upgrades
You've survived to Level 15. Survive to the Level 16... if you can.
You've survived to Level 11. Survive to the Level 12... if you can.
You've survived to Level 7. Survive to the Level 8... if you can.
You've bought your first weapon upgrade
You've survived to Level 3. Survive to the Level 4... if you can.
You've bought your first HP upgrade
You've bought your first SP upgrade
You've bought the fifth HP upgrade
You've bought the fifth SP upgrade
You've got all Player Skills Upgrade!!