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.
Kill your first zombie with a Molotov Cocktail
Get into Buckingham Palace
Reach a Survivor Score of 2000 points
Kill 50 zombies
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 100 zombies
Kill 200 zombies
First Kill with the Crossbow
Get into the Tower of London
Get into the Nursery
Survive the Ambush at the Church
Get the XL BOB
Get the XXL BOB
Hack all of the CCTV junction boxes in London
Finish Game in Chicken Mode
Finish Game in Standard Mode
Finish Game in Survival Mode