- Hidden Holocrons in Dagobah
Besides the two Holocrons that are easily found in Dagobah, there are also two hidden ones. The first one is found at the big tree with two eyes with a short cave. Go near that cave, and look to the right. You will find the first hidden Holocron behind some branches. The second hidden Holocron can be found when you see the big rock to the left of your path. Use Force Grip to move the rock to find the Holocron.

- Easy Force Points
In the first level when you stop running away from the gunship, you will die and get Force Points. The save point at this location makes it easy to get infinite Force Points. Use a rubber band on your controller to force your character to always run. After dying, your character will begin running again and repeat the cycle automatically. Allow the game to idle in this state for easy Force Points.

- Secondary lightsaber crystals
Successfully complete the first ten challenges with at least a gold medal to unlock secondary lightsaber crystals. Additionally, new cutscenes will be unlocked by getting at least bronze medals in the challenges.

- Play as Guybrush Threepwood (from Monkey Island)
Once you reach Cato Neimoidia (The Eastern Arch), enter the Infinite Nebstar Casino, and get to the end of it. You will find a fog filled room with frozen Neimoidians. Overcome the Imperial forces, then open the Carbonite sealed exit. Continue down the hallway to find a Jabba The Hut hologram at the end, with three slot machines in front it and some Guybrush Threepwood statues nearby. One of the statues points to the slot machines. Destroy those slot machines, and a red Holocron will appear where the machines were located. Pick it up to unlock the Guybrush Threepkiller costume. Pause the game, and select the 'Costumes' option to equip it.

- Easy 'Stakross Medal Of Excellence' achievement
Once you reach the Kamino Dive checkpoint, simply destroy as many lightning pylons as possible, die, reload the checkpoint, and repeat until you get the 'Stakross Medal Of Excellence' achievement.

- Easy 'It Burns!' achievement
Immediately after learning the Jedi Mind Trick force power on the first level, simply throw 15 enemies into the red force fields to get the 'It Burns!' achievement.

- Easy 'Sky Killer' achievement
Once you reach the Kamino Dive checkpoint, simply destroy as many TIE Fighters as possible, die, reload the checkpoint, and repeat until you get the 'Sky Killer' achievement.

- Easy 'Imperial Painball' achievement
Immediately after learning the Jedi Mind Trick force power on the first level, simply throw 10 enemies into the Kamino generators to get the 'Imperial Painball' achievement.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

10 Points
Jedi Bomb Squad	Remove all of the Terror Spider Bombs on the Salvation.
Valet	Use Vader's TIE Advanced to destroy the AT-MP.
Unleashed	Activate Force Fury 10 times.
Shattered	Shatter 10 enemies frozen in carbonite.
Stay On Target...	Get to the falling Gorog without crashing into any debris.
Kamfetti	Kill 5 enemies with the fans on Kamino.
Amplified	Kill 10 enemies with the lightning towers.
Imperial Painball	Throw 10 enemies into the Kamino generators.
Break the Bank	Smash up 10 game machines.
'No match for a good blaster...'	Kill 10 enemies using the turbolasers on the Kamino Drill Grounds.
Enjoy The Trip See You Next Fall	Cause 50 enemies to fall to their deaths.
Stakross Medal of Excellence	Destroy 12 lightning pylons on the Kamino dive.
Specialist	Improve one Power to Rank 3.
Top of the World	Reach the top of the Spire without falling once.
Droid Rage	Control the Terror Walker and destroy all the Terror Biodroids.
Challenger	Finish one challenge and receive at least a Bronze medal.
Strike!	Kill three enemies with a single 'bowling' ball.
Master of Disaster	Break all of the coolant tanks aboard the Salvation without dying.
Fully Charged	Use an entire bar of Force power on a Lightning attack.
20 Points
Lucky Streak	Overcome 300 consecutive enemies without dying.
Pied Piper	Entice 10 Stormtroopers to leap to their deaths with Mind Trick.
To the Face!	Reflect 20 missiles back at AT-MPs.
Sky Killer	Destroy 15 TIE Fighters.
Return to Sender	Kill an AT-MP by gripping its own missiles and throwing them back.
Arachnophobia	Destroy 200 Terror Spider Droids.
Passive Aggressive	Parry and counter 10 melee attacks.
Competitor	Get a Silver medal on any 5 challenges.
Use the Force, Luke	Finish any combat level using only Force Powers.
It Burns!	Disintegrate 15 enemies by throwing them into red force fields.
Up, Up and Away	Overload 20 Jumptrooper jet packs.
30 Points
Maxed Out	Improve all Force Powers to Rank 3.
Hat Trick	Get a Gold medal on any 3 challenges.
Rookie	Finish the first ten challenges with at least a Bronze medal in each.
Champion	Finish the first ten challenges with at least a Gold medal in each.
Platinum	Get a Platinum medal on any challenge.
40 Points
Holocron Hunter	Find every holocron.
50 Points
Jedi Grand Master	Finish the game on Unleashed difficulty.
Padawan	Finish the game on Easy difficulty.
Jedi Master	Finish the game on Hard difficulty.
Jedi Knight	Finish the game on Medium difficulty.

10 Points
Poor Bob	Force Grip a Stormtrooper, impale him with a lightsaber, zap him with Force Lightning, then throw him into an object.
20 Points
Crack the Sky	Destroy the Star Destroyer.
Meeting of the Jedi	Reunite with Kota.
The Nemesis in Flames	Destroy the Gunship.
The Exterminator	Overcome the Terror Walker.
Betrayed By Rage	Finish the game and choose the Dark Side ending.
Escape from Kamino	Escape Kamino in Vader's TIE Advanced.
Bring Down the Giant	Overcome the Gorog.
A Measure of Mercy	Finish the game and choose the Light Side ending.

10 Points
Sith Kicker	Drop kick 10 Ewoks.
20 Points
Returning the Favor	Overcome a grenadier with his own grenade.
30 Points
Holocron Hunter	Find all the holocrons in Endor
One with the Force	Finish Endor without dying
Victory!	Finish Endor
40 Points
Never Tell me the Odds	Finish Endor on Unleashed difficulty.

15 Points
Don't Let the Wookiee Be victorious in	Overcome Han and Chewie.
25 Points
Yub Yub	Finish the level defeating 20 Ewoks or more.

- Prequel bonus
Have a saved game file from the original Star Wars: The Force Unleashed with both endings viewed to unlock the Ceremonial Jedi Robes, Sith Stalker Armor, and Sith Training Gear costumes.

- Activate Cheats
Pause the game, choose the 'Options' selection, and select the 'Activate Cheats' option. Then, enter one of the following codes to unlock the corresponding bonus:

Sith Acolyte costume Enter 'HAAZEN' as a code to unlock the Sith Acolyte costume.
Experimental Jedi Armor (good apprentice) costume Enter 'NOMI' as a code to unlock the Experimental Jedi Armor (good apprentice) costume.
Rebel Commando costume Enter 'SPECFORCE' as a code to unlock the Rebel Commando costume.
Sith Training Droid costume Enter 'HOLODROID' as a code to unlock the Sith Training Droid costume.
Boba Fett costume Enter 'MANDALORE' as a code to unlock the Boba Fett costume.
Lightsaber Throw Enter 'TRAYA' as a code to unlock Lightsaber Throw.
General Kota costume Enter 'RAHM' as a code to unlock the General Kota costume.
Rebel Trooper costume Enter 'REBELSCUM' as a code to unlock the Rebel Trooper costume.
White Lightsaber Crystal (Wisdom) Enter 'SOLARI' as a code to unlock the White Lightsaber Crystal (Wisdom), which grants more Force Points for enemy kills.
Scout Trooper costume Enter 'HARPER' as a code to unlock the Scout Trooper costume.
Mindtrick Enter 'YARAEL' as a code to unlock Mindtrick.
Dark Green Lightsaber Crystal (Healing) Enter 'LIBO' as a code to unlock the Dark Green Lightsaber Crystal (Healing).
Dark Apprentice costume Enter 'VENTRESS' as a code to unlock the Dark Apprentice costume.
Stormtrooper costume Enter 'TK421' as a code to unlock the Stormtrooper costume. 100%; background
Force Repulse Enter 'MAREK' as a code to unlock Force Repulse.
Jump Trooper costume Enter 'AJP400' as a code to unlock the Jump Trooper costume.
Nemoidian costume Enter 'GUNRAY' as a code to unlock the Nemoidian costume.
Saber Guard costume Enter 'MORGUKAI' as a code to unlock the Saber Guard costume.
Terror Trooper costume Enter 'SHADOW' as a code to unlock the Terror Trooper costume.

- Bonus costumes
Successfully complete the indicated task to unlock the corresponding costume:



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General Kota	Get a Silver medal in the 'Deadly Path Trial' challenge.
Saber Guard	Get a Silver medal in the 'Cloning Spire Trial' challenge.
Terror Trooper	Get a Silver medal in the 'Terror Trial' challenge.