Here is the full list of all 36 Sly 3: Honor Among Thieves trophies - there are 22 bronze, 8 silver, 5 gold and 1 platinum.
Unlock all trophies for Sly Cooper's final outing. . . final? Really?
Complete 100% of the game
Complete 75% of the game
Defeat Dr. M
Carmelita to the rescue again
Slow down Dr. M as Bentley and Murray
Defeat LeFwee
Complete 50% of the game
Defeat Crusher
Purchase Shadow Power 2
Purchase Diablo Fire Slam
Collect Dimitri's diving gear
Complete Dynamic Duo
Purchase Sly Jump Attack 3
Defeat Chinese Dragon
Stop the vampires
Defeat Black Baron
Defeat Muggshot
Purchase Sly Spin Attack 3
Obtain the Paraglider
Ask Penelope for help
Defeat mask-powered Carmelita
Finish the bar room brawl
Purchase Hover Pack
Purchase the Alarm Clock
Collect 2,500 coins
Dump off the truckload of scorpions
Meet the Guru
Defeat Octavio
Destroy pumps
Use a Sly disguise in Venice
Collect 1,000 coins
Collect 500 coins
Complete the canal boat chase in Venice
Get close to Carmelita
Complete Prologue