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.
Successfully complete Dragon's Lair, Space Ace and Dragon's Lair 2: Time Warp
Never make a correct move in a new game
Collect the Butterfly Treasure
Complete Space Ace in Ace Mode
Dirk dies via asphyxiation in the bedroom scene
Lose your last life in the Drink Me scene... Watch Carefully!
Watch the entire Space Ace game
Collect all three treasures in the first level of Dragon's Lair 2
Complete Dragon's Lair on Arcade Mode
Energize for the first time
Beat the Dogfight Scene in Ace Mode
Complete Dragon's Lair 2 in Director's Cut Mode