Achievements:
... And away he goes, Precious! - Defeat Gollum as Gollum.
A link to the elements. - Craft the Fire and Ice Bows. (Single Player Only)
A Wizard should know better! - Complete 'Osgiliath'.
An expected journey. - Travel to Trollshaws as Bilbo.
Dance of the dead. - Turn an enemy into a skeleton and make them dance.
Delved too greedily... - Collect more than 10,000,000,000 studs. (Single Player Only)
Don't tell the Elf... - Throw Gimli 30 times.
Great! ...Where are we going? - Form The Fellowship of the Ring.
Here's a pretty thing! - Craft every Mithril item. (Single Player Only)
I told you he was tricksy. - Collect all the Red Bricks. (Single Player Only)
I'm glad to be with you. - Complete a level in co-op.
I've always been taller! - Use the Ent Draught on Pippin.
It won't be that easy! - During 'Prologue', jump into the fires of Mount Doom as Isildur.
It's a dangerous business... - Complete 'The Black Rider'.
It's gone. - Complete 'Mount Doom'.
Let's hunt some Orc! - Complete 'Amon Hen'.
My Precious... - Collect all the Mithril Bricks. (Single Player Only)
Naughty little fly... - Complete 'The Secret Stairs'.
Not with 10,000 men... - Unlock all characters. (Single Player Only)
Of all the inquisitive Hobbits. - Unlock all the Map Stones in Middle-earth. (Single Player Only)
On the Precious... - Complete 'Taming Gollum'.
One does not simply... - Walk into Mordor.
Our only wish to catch a fish! - Fish perfectly 20 times by pressing the icon as it flashes.
Pointy-eared Elvish princeling. - Defeat 42 Uruk-hai as Legolas.
Ready for another adventure. - Achieve True Adventurer in every level. (Single Player Only)
Return of the Mushroom King. - Equip Aragorn with the Mushroom Crown.
Safe is where I'll keep you. - Complete 'Track Hobbits'.
Soft and quick as shadows... - Complete 'The Dead Marshes'.
Stinking creatures... - Complete 'Warg Attack'.
Taking the Hobbits to Isengard. - Travel to Isengard as every playable Hobbit.
That is a rare gift. - Reach the top of Amon Hen without being caught once by Boromir. (Single Player Only)
That is no trinket you carry. - Complete 'Weathertop'.
That one counts as mine! - Finish one of Gimli's opponents as Legolas in 'Helm's Deep'.
That still only counts as one! - Defeat an Oliphaunt as Legolas.
The battle is about to begin... - Complete 'Helm's Deep'.
The long way around. - Complete 'The Pass of Caradhras'.
The Lord of the Ring. - Complete the Bonus Level.
The strength of Men failed. - Complete 'Prologue'.
There and Back Again. - Get 100%. (Single Player Only)
There's some good in this world. - Complete all the Fetch Quests in Middle-earth. (Single Player Only)
They have been summoned. - Complete 'The Paths of the Dead'.
This day we fight! - Complete 'The Black Gate'.
This is no mine... it's a tomb. - Complete 'The Mines of Moria'.
We cannot linger. - Complete 'The Mines of Moria' in under 15 minutes.
We did it, Mr Frodo. - Complete 'Cirith Ungol'.
What about second breakfast? - Complete 2 cooking puzzles.
Worth greater than the Shire. - Dress a character completely in treasure items.
You and whose army? - Complete 'The Battle of Pelennor Fields'.