Here is the full list of all 48 inFAMOUS Second Son trophies - there are 34 bronze, 11 silver, 2 gold and 1 platinum.
Destroy half the D.U.P. security cameras
Clear the D.U.P. completely out of a district
Complete Showdowns in half of the districts
Collect half the Blast Shards
Use a Karmic Streak attack to defeat exactly one enemy
Practice self-control
Hit three weak points with Neon Beam in 6 seconds
Defeat 10 enemies by detonating ammo crates
Rescue 10 suspects from suspicion pens
Complete a District Showdown
Bust 10 drug dealers
Destroy 5 cars in 5 seconds
Heal 10 wounded civilians
Risk your freedom to protect those you care about
Collect all trophies
Finish the game on Expert difficulty
Look out for yourself, no matter the consequences
Get them before they get you
Stand up for the helpless
Don't fear the weak
Everyone deserves a second chance
An eye for an eye, a tooth for a tooth
Expose the corruption of the powerful
Show the world that nobody can protect them
Finish the story with Good Karma
Finish the story with Evil Karma
Beat down 10 sign twirlers
Take out 10 street musicians
Disrupt 10 activist rallies
Kill 10 obnoxious Akuran gang members
Rescue 10 escaped conduits from angry mobs
Finish off 10 wounded enemies or civilians
Achieve Level 5 Good Karma
Achieve Level 5 Evil Karma
Collect all the Blast Shards
Destroy all of the D.U.P. security cameras
Collect all the Informant Audio Logs
Defeat all the D.U.P. Secret Agents
Destroy all the D.U.P. Hidden Cameras
Complete all the Stencil Art
Complete all of the District Showdowns in the city
Clear the D.U.P. out of half the districts in the city
Clear the D.U.P. out of the entire city
Comet Drop over 170 meters
Stay in the air for more than 45 seconds
Defeat an enemy using three different power sources
Dash through two red air vents without touching the ground and then Comet Drop on an enemy
Comet Drop on three coughing enemies