IA King's Quest III Walkthough 1.0 by Dirk Delshire: 
                                                                             Part 1 The Wizard's Chores:
After the Cutscene Gwydion appears by the chicken coop.You can feed the chickens if you want but You don't have to unless Manannan asks you to.
Go west and enter(take) the door. Now that your inside the house Manannan will apear from time to time to check up on you. Feel free to explore but don't touch anything unless he asks you to. If he asks you to do a chore go to it right away or you'll be sorry.(Stay out of the Tower. It's up the second set of stairs.Also don't enter Gwydion's room. It's to the east when your upstairs.) 
If he asks you to dust his study the door will be downstairs on the north wall. 
If he asks you to sweep the floor the broom will be in the room that's directly east, and then north of you. This is the Kitchen.
If he asks you to clean his chamber pot the room is up the stairs and then north.(The Chamber pot is the little brown vase looking thing next to the west wall by the bed.)                                                                                                           
Just genrally keep busy with any of the chores til he says hes going to leave. If you want to you can take any of the GOOD items from the house.
Here's a list of the Good Items in the house. Cup(Dining Room, it's directly to the east of the Entrance.), Mutton Chop, Fruit, Bread, Knife, Spoon, Bowl(All of these are in the Kitchen, it's directly east then north of the Entrance.),  
After a long time The Wizard will anounce that he's taking a trip.
                                                    Part 2 Exploring The Wizard's Bedroom:
As soon as he leaves go to the His room and take the Hand Mirror from the Vanity cabnet. It's the one right beside the bed. Next Grab at the sparkle on top of the Closet and you'll take the Brass key. Then open the Closet to get the magic Map. Open the Dresser that's sitting on the east wall and you'll get the Rose Petal Essence. Exit his room and go up the second set of stairs.
Now that your in the tower take the fly on the floor and exit. Go down both sets of stairs and exit through the front door.
                                                                  Part 3 Exploring Liewdor: 
After you leave the house go down the south path.Save your game and start headng down the mountian.(Be carefull if you take one wrong step you'll plummet to your death.) Take small strolls making sure Gwydion's feet stay on the path at all times. When you get to the Big rock walk a little behiand it and straight down. Do not try to  walk around it. Then head the reat of the way down the mountain.   
After you escape the Mountain you will see a eagle fly by. As soon as it's gone walk the rest of the way down the mountain path and grab the feather.(If he doesn't appear walk east or west off screen and back again til he does.)Head one screen West and save your game, then go south.
Take the dried acorns from the ground and put your hand through the hole in the roots of the acorn tree. (If you can't get the acorns keep grabing different ones til you do.)
Climb the ladder and if the thief is sleeping take the pouch from the table. (If he's awake go one screen north and try again.)
Climb back down the ladder and head south. Save the game and head west.(If Medusa turns up Restore and try again.) 
Go north and walk towards the cactus a little. 
Quickly walk a little east and as soon as Medusa starts to walk towards you use the mirror on her.
After she's stoned use your knife to cut the smaller piece of cactus off. 
Walk north two times and take the snake skin.
Then head east three times.
Use your cup to take take some water from the ocean.
Go south two times and climb the ladder.Now Head west.
Enter Store the store and buy(take) the fish oil, lard, salt and a pouch.Pet the owners dog and you'll get some fur.
After that exit the store and head south.
Take the mistletoe that's hanging off the tree and save. Now go west.
(If you see momma bear in the garden go east and west until she's gone.)
If you don't see any bears or they leave for a picnic enter the house. After your inside take the red bowl and climb the stairs.
Open the drawers and you'll take the silver thimble. 
After you exit the house use your thimble to collect a dew drop from the flowers. 
Save your game and go north twice and back up the mountain.(If you get robbed Restore your game.)

                                                          Part 4 Return to the Wizard's house:  
After you climb the mountain enter the house and go north to the study and unlock the cabnet with the key.(If you see the cat go south and north again until he disapears.)Take the wand from the cabnet and pull(Take) the large book on the bottom of the shelf against the wall.                                                                                       
After the trap door opens go down(Take) through it and head south down the stairs. Take the Fish Bone, Mandrake, Saffron, Nightshade Juice, Toad Spittle and Toadstool from the back Shelf. Take the Magic book and read all the spells. Then go grab the cat for it's fur.(Watch out the cat will trip you on the stairs if you walk near it.) Once you have the fur go back to the underground lair and cast the Cat spell, Fly spell, Invisible spell, and Sleep Spell. Put the cookie into the Porridge Bowl. (In your Inventory click the cursor button then click the cookie and finally click the Bowl.) 
Save your game then head out up the stairs. Close the Trap door by pulling(Take) the book again.Then go over and unlock the cabnet and place the Wand back in it and exit the room. 
Go up the stairs and head east to Gwydion's room. Place all the BAD Items under the his bed.(The bad ones have little red dots beside them.)
When your finished your Inventory sould only have the Bread, Fruit, Mutton Chop, Knife, Spoon, Bowl, and Bowl of Cat Porridge in it.                                                         
                                                       Part 5 Manannan's defeat and the rest of the spells:
Walk about the house for a while and when Manannan returns he'll say hes hungry. Go into the Dining Room and give him the Porridge.
(Booyah! He's a Cat Now!)
Now that Manannan's defeated go upstairs and grab all your stuff from under the bed.. Go to the chicken coop and use(Take) the chicken feed to make the chickens stand still. Next go up one and grab it. After you get the feather use your Magic map to warp to the Web Cave then go north and west.
Use your Spoon to collect some mud from the left side of the River. Then east and south.
Once you get to the cave screen go into your inventory and click the Eagle's feather on the Magic Rose Essence. 
After the giant spider is dead and your spell wears off walk up into the cave. Talk to the Oracle and she'll tell you all you needed to know about your family, true name, and your quest. She also gives you a small Amber stone which is the last thing you need for the rest of your spells.
Use your map to warp back to Manannon's house and retrieve your wand. Then open the trap door and go cast the remaining spells Teleporting Spell, Storm Spell,
and the Animal Langauge Spell. Now use the Magic Map to warp to the Town. 
                                                                Part 6 Pirates and Buried Treasure:
Once you appear in the town go into the tavern and talk to the pirates. Give the Captain your remaining gold coins. Follow him out and go east two times.
After they lock you up in the hold walk east and listen to the rats talk until they mention the treasure. When they finish talking grab(Take) the small box near the bottom of the screen and head west. Next place(Take) the small box beside the lone box on the bottom of the screen and use the arrow icon to climb up the ladder.
Now that you're in the crew quarters head west through the door. The captian will throw you back into the hold, but all you have to do is climb back up.
After this go back to the captian's room and take all your items back out of the chest. Save your game and go to the east.(If you see a pirate walk back west and east again until he's gone.)
Take the shovel from under the boat and go west and climb the ladder. Now go east and stay on this screen til you hear a pirate say "Land ho, Captain!". 
(If you see a pirate walk back west and east again until he's gone.) This will take a long time so go get a snack or read a book until you see the message.
After the wait click past the message and save the game.Now jump(walk) off the side of the boat and swim(Walk) east.
Dodge down and around the shark. After you get around him swim quickly to land. 
(Don't swim straight or he'll eat you. If he does then just restore your game.)
Now that your safely on land go east and dig(Use Shovel) to the right of the big palm tree past the shadow.
You've got the Treasure Yippeeee!
                                                                 Part 7 Climbing over the Mountain:
Now exit to northeast side of the screen and climb up the path and around to the left til you get to a big rock. 
Clinb(Walk) up the rock and right to the next part of the path. Walk east along the top of the path til you get to the next screen. (If you fall just try again.) 
Then keep walking along the top of the wall and north into the next screen.
Now your on the mountain save. Walk along the path up and to the east making sure your feet are always on the path.
Again follow the path right hugging the wall and go north up the stream.(If you try to follow it all the way to the right you'll fall.)
When you reach the top save your game and Walk to the east two times. (If the Yeti eats you restore.)
As soon as you enter the screen click your items and use the Eagle's feather on the Rose Essence.
Now that you have evaded the Yeti walk down the path to the south.
Save your game and carefully make your way down. You have to climb along the wall right, left and make your way through the caves til you reach the bottom.
(Do not climb directly down or you'll fall!) After you reach the bottom go east two times.  Go down the path south carefully keeping your feet on the path.
On the next screen you'll fall off of a cave but be unharmed. 
                                                                                          Part 8 Daventry:
Save and enter(Take) the cave. (If you want you can walk west and north to visit the old Gnome he'll basically tell you what you already know.)
After you enter the cave walk to the southeast.You'll come a old minecar track follow it carefully around west,east,north, and northwest making sure your feet are on the track.
                                                                    Part 9 The Dragon and the Princess:
Now that you've made it out of the cave use  the Invisability Potion on Alexander and go west. Then use the Storm Spell on the Dragon.
The Dragon will be killed by the lightning leaving you free to untie princess Rosella and finish the game...