Full list of all 12 Dragon's Lair Trilogy achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Complete Dragon's Lair on Arcade Mode
Successfully complete Dragon's Lair, Space Ace and Dragon's Lair 2: Time Warp
Lose your last life in the Drink Me scene... Watch Carefully!
Dirk dies via asphyxiation in the bedroom scene
Never make a correct move in a new game
Complete Dragon's Lair 2 in Director's Cut Mode
Collect the Butterfly Treasure
Collect all three treasures in the first level of Dragon's Lair 2
Complete Space Ace in Ace Mode
Beat the Dogfight Scene in Ace Mode
Energize for the first time
Watch the entire Space Ace game