Here is the full list of all 12 Dragon's Lair Trilogy (EU) trophies - there are 7 bronze, 4 silver and 1 gold.
Watch the entire Space Ace game
Energize for the first time
Successfully complete Dragon's Lair, Space Ace and Dragon's Lair 2: Time Warp
Complete Dragon's Lair on Arcade Mode
Complete Space Ace in Ace Mode
Complete Dragon's Lair 2 in Director's Cut Mode
Never make a correct move in a new game
Dirk dies via asphyxiation in the bedroom scene
Lose your last life in the Drink Me scene... Watch Carefully!
Beat the Dogfight Scene in Ace Mode
Collect all three treasures in the first level of Dragon's Lair 2
Collect the Butterfly Treasure