Here is the full list of all 31 Ratchet: Deadlocked trophies - there are 16 bronze, 9 silver, 5 gold and 1 platinum.
Obtain all Ratchet: Deadlocked™ trophies
Earn All 165 Skill Points
Earn All Skill Points in the Dreadzone Battledome
Earn the 'Ace In The Hole' Skill in the Battledome
Earn all the Skill Points on Torval
Earn the 'Reactionary' Skill in the Battledome
Upgrade All Weapons to Level 10
Collect 4 Million Bolts
Purchase the Harbinger Weapon
Upgrade 3 Weapons to Level 10
Earn "Show Me The Money" on the Ghost Station
Earn 105 Skill Points
Earn the 'Fodder Follies' Skill on the Ghost Station
Earn the 'Eviscerator Raider' Skill in the Battledome
Earn the 'Speed Bumps' Skill on Planet Maraxus
Earn the 'Low Blow' Skill on Planet Stygia
Earn 200,000 Dread Points
Upgrade Any Weapon to Level 10
Increase Nanotech to 50
Earn the 'Light Speed' Skill on Planet Orxon
Earn the 'Not a Scratch' Skill on Planet Torval
Earn Medieval Power in Valix
Earn "In a Row" on Valix
Earn 60 Skill Points
Earn the 'Schooled' Skill on the Valix Belt
Earn 'Dead Again' in Battledome
Earn 50,000 Dread Points
Collect 400,000 Bolts
Earn the 'Can't Hit Me' Skill on Kronos
Earn "I Dare Ya!" on Catacrom Four
Collect 40,000 Bolts