Platinum
Collect all trophies in Killzone
General
Complete all levels on the hard difficulty
4 X 4 X 4
Kill 4 Helghast in under 4 seconds with the EAW-25/4 Chimera
Colonel
Complete all levels on the normal difficulty
Scavenger
Pick up 10,000 rounds for the STA-52 LAR rifle
1 v 50
Kill 50 Helghast soldiers without dying
Beep Beep Beeeep
Kill 10 Helghast with the secondary fire on the M327 Grenade Launcher
Brouhaha
Kill 30 Helghast soldiers in under a minute
Bullheaded
Get 20 headshots with the M4 Semi-Automatic Pistol
Captain
Complete all levels on the easy difficulty
Eco-Warrior
Hit 15 Helghast soldiers without reloading, using the secondary fire on the M66 SD Submachine gun
Explosive Consequences
Kill 5 Helghast soldiers with 1 grenade using the attachment on the M82-G Assault Rifle
Helghast Champion
Win a battlefields game playing on the Helghast's side with the enemy AI set to hard
ISA Saviour
Win a battlefields game playing on the ISA's side with the enemy AI set to hard
Tripletapper
Get 3 headshots with 1 magazine, using the secondary fire on the IvP-18 Tropov pistol
Two's Company
Win a battlefields game with another player in split screen