Full list of all 21 ZOMBI trophies - 4 bronze, 8 silver, 8 gold and 1 platinum. It takes around 20-25 hours to unlock all of the trophies on PlayStation 4.
Finish Game in Chicken Mode
Hack all of the CCTV junction boxes in London
Kill 100 zombies
Reach a Survivor Score of 2000 points
Kill 50 zombies
Survive the Ambush at the Church
Get the XXL BOB
Get into the Nursery
Get into the Tower of London
Get the XL BOB
Get into Buckingham Palace
Kill your first zombie with a Molotov Cocktail
Get into the Supermarket
First Headshot with a gun
Pick up a backpack (Bug-Out-Bag)
Make it to the Safehouse
Earn every Trophy in the game
Kill 200 zombies
First Kill with the Crossbow
Finish Game in Standard Mode
Finish Game in Survival Mode