Unlock the following bonuses by performing the corresponding tasks:

While fighting bosses in LEGO Lord of the Rings, focus on dodging their attacks. All bosses have a window that allows you to attack. With patience you can attack with less risk to yourself. You can also hold the character selection wheel open while you are waiting for the window to remain invincible.

Bronze trophies
The day the strength of men failed. - Complete The Battle of the Last Alliance.
It's a dangerous business going out your door. - Complete The Black Rider on the Road.
That is no trinket you carry... - Complete The Camp at Weathertop.
This is no mine... It's a tomb! - Complete Moria: Balin's Tomb.
Let's hunt some Orc! - Complete The Skirmish of Amon Hen.
On the precious... - Complete The Taming of Gollum.
Safe is where I'll keep you. - Complete Track the Hobbits.
You shall not pass! - Complete Moria: Bridge of Khazad-dûm.
The battle for Middle-earth is about to begin... - Complete The Battle of Helm's Deep.
Naughty little fly! - Complete Shelob's Lair.
They have been summoned... - Complete The Paths of the Dead.
You and whose army? - Complete The Battle of the Pelennor Fields.
This day we fight! - Defeat the Mouth of Sauron.

Silver trophies
Of all the inquisitive Hobbits... - Collect all the Character Profiles.
I think I'm quite ready for another adventure! - Achieve True Adventurer in every level. (Single Player Only)
And away he goes, Precious! - Use Smeagol to defeat Gollum when Gollum is the buddy.
What about second breakfast? - Complete Weathertop in Free Play.
That still only counts as one! - Defeat an Oliphaunt as Legolas.
One does not simply walk into Mordor... - Simply walk into Mordor. (Single Player Only)

Gold trophies
It's gone... - Complete Journey's End.
My precious! - Collect every collectible.
There's some good in this world, Mr. Frodo. - Deliver all the treasure items.
There and back again. - Get 100%. (Single Player Only)
Not with 10,000 men could you do this... - Unlock all characters. (Single Player Only)
Hobbits really are amazing creatures. - Complete all the HUB mini games.
The last laugh. - Use Tom Bombadil's laugh to destroy Sauron in Free play.

Platinum trophy
One Ring to build them all. - Earn all Bronze, Silver, and Gold trophies.

Activate the following cheats by entering the corresponding codes: