Here is the full list of all 12 Dragon's Lair achievements.
Complete the game with the move guide turned off.
Get the highest possible score (427,469).
Complete the game without dying.
Dirk dies via asphyxiation in the bedroom scene.
Play Dragon's Lair on its Anniversary: June 19
Complete the game in Hard mode.
Get off on the elevator on the last floor.
Lose your last life in the Drink Me scene... Watch Carefully!
Complete the game on any mode.
Complete the game on Arcade Mode
Use the shortcut in the Giddy Goons room.
Never make a correct move in a new game.