The Lord of the Rings: Conquest Cheats

Conquer over Isengard (25): Complete the Isengard level in the single player "War of the Ring" Campaign.
Eagle Eyes (15): Get 25 headshot kills in one life as the archer.
Fall of Minas Tirith (25): Complete the Minas Tirith level in the single player "Rise of Sauron" Campaign.
Fellowship of the Ring (10): Complete a campaign level cooperatively.
Fire and Slaughter (15): Kill 25 enemies in one life with the scout's bombs.
Flame of Anor (15): Kill 100 enemies in one life with the mage's fire wall.
House of Healing (15): Heal 30 allies in one life as the mage.
I Will Take It (15): Capture a ring with Frodo in a ranked Capture the Ring match.
Lord of Mordor (15): Defeat Gandalf as Sauron in the Shire ("Rise of Sauron" Campaign).
Lord of the Nine Riders (15): Kill 10 players in one life as the Witch King in any ranked match.
Marksman (20): Headshot kill 10 players as the archer in any ranked match.
Mithril Armor (10): Complete any campaign level without dying.
Never Toss a Dwarf (15): Defeat Gimli as the Balrog in the Mines of Moria ("Rise of Sauron" Campaign).
No Living Man Am I (15): Defeat the Witch King as Eowyn in Pelennor Fields ("War of the Ring" Campaign).
Rain of Fire (15): Kill 25 enemies in one life with the archer's fire arrows.
Razing of Rivendell (25): Complete the Rivendell level in the single player "Rise of Sauron" Campaign.
Return of the King (15): Defeat 3 Nazgul as Aragorn in Minas Morgul ("War of the Ring" Campaign).
Ride to Ruin (50): Capture 10 control points in ranked Conquest match.
Rings of Power (50): Capture 3 rings in a ranked Capture the Ring match.
Siege of Minas Tirith (25): Complete the Minas Tirith level in the single player "War of the Ring" Campaign.
Siege of Moria (25): Complete the Mines of Moria level in the single player "Rise of Sauron" Campaign.
Siege of Osgiliath (25): Complete the Osgiliath level in the single player "Rise of Sauron" Campaign.
Splintered Shields (15): Kill 100 enemies in one life as the warrior.
Storm and the Lightning (50): Score the most points on the winning team in any ranked online match.
Stupid Hobbitses (10): Kill 300 hobbits in the Shire in one playthrough ("Rise of Sauron" Campaign).
That Still Only Counts as One (10): Climb and kill an Oliphaunt.
The Land of Shadow (35): Complete the Shire level in the single player "Rise of Sauron" Campaign.
The Mines of Moria (25): Complete the Mines of Moria level in the single player "War of the Ring" Campaign.
The Way of Pain (15): Defeat Aragorn as Saruman in Weathertop ("Rise of Sauron" Campaign).
Unfriendly Skies (10): Get picked up by a fell beast or eagle.
War of the Last Alliance (5): Complete the training level.
You Have My Axe (15): Kill 20 enemies with Gimli in any Team Deathmatch game.
You Have My Bow (15): Kill 20 enemies with Legolas in any Team Deathmatch game.
You Shall Not Pass! (15): Defeat the Balrog as Gandalf in the Mines of Moria ("War of the Ring" Campaign).

Legendary Difficulty
Beat the War of the Ring mode and the Rise of Sauron mode to unlock the Legendary Difficulty for both.