Kirby's Dream World Quest List

The following is a list of some of the "major" current quests found in Kirby's Dream World. Keep in mind new are being added all the time, and this list may or may not cover them.
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Chaos Emerald Quest:
For this quest you just need to get all 7 chaos emeralds then figure out the secret behind them. To start this quest just pick up an emerald.
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Book Repair Shop Key:
A very small quest. Simply complete the little maze in the house in Sky Way to get the key to the Book Repair Shop.
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Old Book:
The old Book quest is where you have to collect 50 "old pages" that are hidden all over KDW. Once you get the 50 pages you will then be able to repair the book by taking it to the book repair shop in Hillside town. However, this is only half of the quest. Once you finish the full quest you will get a passport to the ran down cyber city.
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Hillside Key Quest:
A quest which takes you around Hillside Town finding keys and unlocking doors.
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Balloon Ticket Quest:
A small little quest which has you get an apple so you can get off of Yoshi's Island. It's not really a main quest, but it's very important if you want to get off the island.
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The Ruins and the Ocarina of Time:
This quest is actually a Maze but it's one of the major mazes/quests so I'll go ahead and include it on this list. To start this quest, simply go to the ruins in the desert.
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Future City Key and the Escape Skill:
Once you finish the Old Book quest and gain access to Future/Cyber City you will be able to enter and begin searching for the 5 Future Key Cards. Once you find all 5 Key Cards you will be able to access other areas of Future City, one of which containing the Escape Skill. *Level 500 is required to use this skill* (Note: While most Key Cards will be found in the city, a few may be found in other areas of KDW.)
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Puzzle Chamber:
This quest is also a puzzle, simply go to Duck Mountain in Duck Land and you'll be put through many rooms to get prizes in what's known as the Puzzle Chamber. As you go through the chambers you'll actually pick up many prizes on the way, however the true prize is at the very top, the power of light.
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Wam Bam Cave:
Another ruin like area, simply head into Wam Bam Cave which is close to Mt. Dyna and the quest begins. In the end you'll get a key that'll allow you to unlock one of the best shops in the game.
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Crystal Shard:
Just like in Kirby 64, you can find Crystal shards all over KDW. Once you get 500 you will then be able to make the Full Crystal. This is a strong weapon, that gets stronger when you level up your attack power.
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Help Trade Quest:
Not really major, but it is a big one. To start this quest go to the building by the waddle bandits just west of Cappy Town. There are actually two help trade quests but only one of them will give you the prize, a gun.
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Golden Gun:
This quest was made by Dr. Doom, and was based off of 007. For this quest you just need to find all the parts of the Golden Gun, then build it. This quest gives you one of the strongest items in the game, and you need 500 attack power to use it.
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Crash Kirby:
A quest you start by going into a secret room in the shop. It has you going around all of KDW collecting items to unlock the Crash Kirby, a level 500 skill.
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Murder Mansion:
There's actually 3 sets of quests here. The first quest is from 2006 but simply a search for keys to open a few locked rooms. For the 2007 quest you simply pick up the first scroll you see when you walk in the door and it'll lead you allover the house as you try to solve clues. As for the 2009 quest, simply head down stairs and pick up one of the pieces of papers on the floor. Clues from the 09 quest will mostly be marked with "[09]" to let you know.
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Legend's Cafe:
This quest has you trying to solve the mystery of what happened to the people who vanished many years ago. However once the mystery is solved, a full quest opens up which takes you through mazes and through some unexpected places. Once you solve the mystery you will unlock a legendary ring known as the "Cake is a Lie."
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Dragon Armor:
To start this quest simply go to the underground area in Seaside Fields. This quest has you going all around the world in search of scrolls to open the way to the Dragon Armor.
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Star Belt Gem and the Hidden Forest:
The Star Belt Gem quest is one of the hidden quests in KDW. To begin this quest you must first head to the Forest Village and find the hidden passage that leads through the trees. At the end of this passage you'll be able to access a hidden "back path" which will then lead you to the Hidden Forest. If you can figure out the puzzle, you will be rewarded with the Star Belt Gem. A good belt that also increases your EXP gain.
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Dream Star Rod:
The Dream Star Rod quest can be started by going to the fountain of dreams which is located in space. Once you finish the puzzle located inside and get the key, go to the Great Fox to access other planets. On one of the planets you'll be able to find a new puzzle which will reward you with the Dream Star Rod at the end. Just remember if you do not have the key from the fountain of dreams, you will not be able to get the Star Rod.
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Grave Emblem Quest:
One of the hardest quests in the game, to start this quest you must first find the secret HQ to gain the key to Grave's main HQ. Once you find the key you must then locate the HQ and make your way through one of the hardest areas in all of KDW. In the end, you will unlock the Grave Emblem.
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Bio Metal Quest:
Hidden allover KDW are nine Bio Metals. There's Model X, Z, H, F, L, P, W, A, and O, and by owning all of them, you can become one of the strongest players in all of Dream World! Be warned, they are not easy to find, and they are all required if you wish to be able to use the ultimate model O!
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Shadow Shards:
Hidden throughout KDW are shards known as "Shadow Shards." They appear to be the broken pieces of something, but what? Maybe if you take them to the Book Repair Shop you can learn more.
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Golden Amulet:
This quest has you searching major areas in KDW for two pieces of a Golden Amulet. Once you have found all pieces and completed all Amulets, you can then go onto your prize.
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Legendary Test:
As talked about in another FAQ, this quest has you going around completing other quests and finding items in order to reset yourself to level 1. For more information check out the Legendary Test FAQ.

http://kirbysdreamworld.blogspot.com/2014/03/legendary-test-guide.html
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Well that's it for the list. Just keep in mind that there are MANY more quests in KDW, but these are some of the basic ones. Also if anyone wishes to create a full FAQ for each of these quests, be my guest!