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