Here is the full list of all 14 Lock's Quest trophies - there are 11 bronze, 2 silver and 1 gold.
Kill 10 Clockworks in 10 Seconds
Destroy 200 Bronze Clockworks
Destroy 200 Silver Clockworks
Destroy 200 Elite Clockworks
Use all 4 of Lock's Special Attacks in a Single Battle
Defeat Beast without losing a Wall
Accumulate 100,000 Source
Complete the game on 'HARD' mode.
Complete the Game on Normal Mode without Dying
During Battle Mode, repair at least 100 unique walls
Have Enemies Activate 1 of each Trap type during a Single Battle
Build a Map with 1 of each Turret, Trap and Helper
Unlock all of Lock's special skills
Survive 10 straight days of Antonia Defense