Here is the full list of all 46 Medal of Honor Frontline trophies - there are 32 bronze, 10 silver, 3 gold and 1 platinum.
Earn All Available Trophies in Medal of Honor Frontline
Complete The Game On Hard Difficulty
Earn the Distinguished Flying Service Cross
Earn All Medals
Earn the Legion of Merit Medal
Earn the Dutch WWII Commemorative Cross Medal
Earn the Soldier's Medal
Earn the Army Commendation Medal
Earn the Army Distinguished Service Medal
Play Any Level using the Classic MoH Control Scheme
Destroy 15 clocks in Operation Repunzel
Find the UFO in "On Track"
Get 50 kills with the M1 Garand
Complete the Mission The Horten's Nest
Complete the Game On Any Difficulty
Get 50 kills using grenades
Complete the Mission Rolling Thunder
Complete the Level Riding Out the Storm
Get 50 kills with the STG
Kill 1000 Enemies
Complete the Mission Several Bridges Too Far
Get 50 kills with the Browning Automatic Rifle
Complete the Level Nijmegen Bridge
Complete the Mission Needle in a Haystack
Look behind 15 pictures in Operation Repunzel
Get 50 kills with the shotgun
Get 25 kills with the Welby and Scott Silenced Pistol
Eat bread to regain health
Complete the Level The Golden Lion
Spill three drinks in The Golden Lion
Get 50 kills with the Springfield '03
Fire 5000 shots
Get 50 kills with the Thompson SMG
Complete the Mission A Storm in the Port
Get 50 kills with the Colt .45 or the Walther P38
Get 20 shots in each shot location (Head, Torso, Groin, each leg, and each arm)
Get 50 headshots
Get 50 shots in the groin
Get 50 kills with the MP 40
Use 25 Medicinal Canteens
Complete the Level Special Cargo
Make 20 enemies hop around by shooting them in the foot.
Kill 3 Enemies With 1 Grenade
Complete the Level Into the Breach
Get 20 Melee Kills
Complete the Level Your Finest Hour