Full list of all 53 King's Quest achievements worth 1,800 gamerscore. It takes around 4-5 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 17 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 36 achievements worth 800 Gamerscore.
Told the Story about becoming a Knight.
Saved a Picnic, Got a Wedzel Patch, Completed the Potion.
Defeated Acorn in the Duel of Strength.
Tried to Catch a Toad, Got a Frog in Throat.
Defeated Whisper in the Duel of Speed.
Opened door to Achaka three times.
Danced in the Dark.
Presented an Eye to enter the Tournament.
Blew on many Horns.
A Dyed Badger ate Bees.
Fed a steak to a Wedzel Wolf.
Walked on Water.
Walked into the Spiniferous Thornweeds.
Found a Mysterious Cave Entrance.
Was a Snack for a Majestic Unicorn.
Walked into a Dragon's Mouth.
Took a Brief Nap.
Escaped without any townspeople taken away
Tummy troubles
Healed Bramble
Completed Chapter 2
Escaped the goblin prison
Found all gold in Chapter 2.
Found all pages in Chapter 2.
Reunited two best friends
Got some air
Watch out, Graham!
Love at first height.
Win a game of Moral Quarrel.
This is a hidden achievement.
Discover 3 portraits of younger townspeople.
Give the perfect present to Neese.
Give the perfect present to Vee.
Complete Chapter 3.
Hold your own in staring contest
Win the road trip game
Solve first Ice Palace puzzle
Solve the Ice Labyrinth
Shoot an arrow at Ice Guard
Complete Chapter 4
Seek treasure as an aged adventurer.
Mind the music.
Escape the Tournament Theater.
Prove your mind is still strong.
Prove your mind is still quick.
Defeat all puzzles on The Floating Island.