Lord Of The Rings: The Return Of The King

After first completing the game, enable the "Perfect mode", "Invincibility", and "Unlimited missiles" codes. Use any character in the level. Get to the part where you have to push down the bell. On your way up, you should see the Nazgul through the small hole in the wall, and again in a larger hole. Aim and fire away at it. If you miss, try again as you will have unlimited ranged attacks. Hold down (pull back your arrow/staff/dagger etc.) before you shoot to get range. If you have Perfect mode, you should get 2000 experience points.

When you get to the part where you have to push the bell down, go to the window first and use your ranged weapon to hit the Nazgul every time it flies by. You can hit it as many times as desired, as long as you have ammunition. Every time you hit it, you will receive 2,000 experience points. At the bottom before the bell, leave the Orcs and when you run out of daggers, go down and kill an Orc to get more.
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This level is played by Sam. You will meet many Orcs that are your height. Frodo will help you in some battles. When you reach a roof, you will have to find shelter so the Nazgul does not catch Frodo and the Ring. This will happen twice in the level. When it happens and you find shelter, stay there until the red meter has gone all the way down. When you get near the end, you will have to fight an Orc with a green health bar above him. Parry his attacks, then strike with fierce attacks. Once his shield is broken, the battle will go much faster. Open the gate to your escape.

When fighting the Orc with the health bar at the end of the level, press L + R to make Sam invisible. Then, sneak up directly behind the Orc and press R to stab him in the back. This will kill him instantly.
Jacob30992.

Kill all the Orc archers at the end first. There will be a single big Orc that actually can be defeated with a hobbit. Hold back your throwing knife until you have it behind your hobbit's head before releasing it. It will break his armor (you will see it fall off). Then, repeat the move using two or three more knives at full power to kill him.
jtw.

Enable the "Play as Faramir" code. This level will be easier because his fierce attack is very strong, and he is faster. You can also use him in other levels such as Shelob's Lair and Cirith Ungol.
gameplay master.

When the Nazgul arrives, hide under anything that you can get under. When the Nazgul's life meter appears, hide.

At the end of the level there is a giant Orc that stands between you and the exit. Instead of fighting it, hold L + R to use Sam's special ability and become invisible. Then, run up and turn the crank that opens the gate. If you need health, do the same thing and grab the health. This is much faster than fighting the Orc. As long as you get out of the door you will still complete the level, no matter how many enemies remain.

When fighting the Orc with the health bar at the end of the level, press L + R to make Sam invisible. Then, sneak up directly behind the Orc and press R to stab him in the back. This will kill him instantly.
Jacob30992.

When you get to the giant Orc at the end of the level, start throwing your swords at it. It will slowly walk toward you. When it gets far away from the gate, run past it, go to the switch, and quickly pull it. You may have to knock some small Orcs down. Run through the gate to complete the level. You can do this trick when you are low on health. However, you will lose a chance to get some experience points.
Roderick Barkley.

When you reach the end of the level, you will be in a sewer. A few small Orcs will be there, and you can easily kill them. You will then encounter a fat Orc with a health bar above his head. Use the following tactics to avoid killing him. You can put on your invisibility cloak and pull down the gate; you can take the health and pull down the gate; or, if playing co-op, have one player repeatedly press [Parry] while the other lowers the gate. After lowering the gate, walk out to complete the level.

When you can barely see the big Orc in the sewer, hold L then hold A until you can see the sword behind Sam's head. Then, release A and fire. Do this about four or five times until he is dead.

To kill the big Orc near the end, break his armor. You can either pull back your ranged weapon as far as it can and release it on him; or when playing as Faramir at level 9 or higher, have him use Helm's Hammer. It will also break his armor. Note: Use Faramir on every level repeatedly to get his level up to 20 or so. Use him on Bosses such as Shelob or the King of the Dead, and their health will go down rapidly.
Ryan J.

In co-op mode, have one person climb the ladder and shoot Orcs from a distance. The Nazgul meter does not appear until both characters are up. It is now easier to get to cover under the roof.

If you are having trouble completing some of the levels featuring Gandalf, try using his shield special move. While are playing as Gandalf, press L + R to trigger the shield into action. This blocks you from a wide range of attacks, including arrows. You can also move wile using it, however just like Sam's special move it will slow Gandalf down. You can upgrade this shield (as well as Sam's cloak) to last longer and be stronger. Note: This may not block all physical attacks or ranged attacks (for example, an Ent stepping on Gandalf, a troll falling on Gandalf, or a catapulted rock hitting Gandalf).

A great way to kill a vast amount of enemies is to use the speed attack as much as possible while moving frequently. For example, when surrounded by Orcs, rapidly press A while moving around to knock enemies to the ground, kill them, and enter into Perfect mode faster. This is a great strategy to prevent back attacks and when you are greatly outnumbered.

Charge up by holding Y. When you see an Orc, release Y. You will see the Orc falling off the ladder.

Complete the game 100% and get Arrows Of The Valar with Legolas. You will now be able to fire two arrows at once as Legolas, killing any two Orcs at the same time.