There are 51 Trophies that can be earned in this title.

Bronze

Padawan
Complete the game on Easy difficulty.

Amplified
Kill 10 enemies with the lightning towers.

Kamfetti
Kill 5 enemies with the fans on Kamino.

Imperial Painball
Throw 10 enemies into the Kamino generators.

Droid Rage
Control the Terror Walker and destroy all the Terror Biodroids.

Strike!
Kill three enemies with a single 'bowling' ball.

Shattered
Shatter 10 enemies frozen in carbonite.

Break the Bank
Smash up 10 game machines.

Valet
Use Vader's TIE Advanced to destroy the AT-MP.

Stay On Target…
Get to the falling Gorog without crashing into any debris.

Master of Disaster
Break all of the coolant tanks aboard the Salvation without dying.

The Jan Stakross Trophy of Excellence
Destroy 12 lightning pylons on the Kamino dive.

Jedi Bomb Squad
Remove all of the Terror Spider Bombs on the Salvation.

'No match for a good blaster at your side, kid.'
Kill 10 enemies using the turbolasers on the Kamino Drill Grounds.

Top of the World
Reach the top of the Spire without falling once.

Rookie
Complete the first ten challenges with at least a Bronze medal in each.

Challenger
Complete one challenge and receive at least a Bronze medal.

Unleashed
Activate Force Fury 10 times.

Enjoy The Trip See You Next Fall
Cause 50 enemies to fall to their deaths.

Maxed Out
Upgrade all Force Powers to Rank 3.

Use the Force, Luke
Complete any combat level using only Force Powers.

Lucky Streak
Defeat 300 consecutive enemies without dying.

Sky Killer
Destroy 15 TIE Fighters.

Arachnophobia
Destroy 200 Terror Spider Droids.

It Burns!
Disintegrate 15 enemies by throwing them into red force fields.

Pied Piper
Entice 10 Stormtroopers to leap to their deaths with Mind Trick.

Holocron Hunter
Find every holocron.

Return to Sender
Kill an AT-MP by gripping its own missiles and throwing them back.

Up, Up and Away
Overload 20 Jumptrooper jet packs

Passive Aggressive
Parry and counter 10 melee attacks.

To the Face!
Reflect 20 missiles back at AT-MPs.

Specialist
Upgrade one Power to Rank 3.

Fully Charged
Use an entire bar of Force Power on a Lightning attack.

Silver

Jedi Knight
Complete the game in Medium difficulty.

Hat Trick
Get a Gold medal on any 3 challenges.

Platinum
Get a Platinum medal on any challenge.

Competitor
Get a Silver medal on any 5 challenges.

Awww Yeah…
Perform every combat move in the game (excluding combos that require Rank 3 Saber).

Gold

Jedi Master
Complete the game on Hard difficulty.

Jedi Grand Master
Complete the game on Unleashed difficulty.

Champion
Complete the first ten challenges with at least a Gold medal in each.

8 Secret

http://www.ps3trophies.org/game/star-wars-the-force-unleashed-ii/trophies/

samiro05 said:

I have a sneaky suspicion that completing the game on Unleashed difficulty may be insane to get unless it has work arounds like bonuses that can be used through 2nd playthroughs