Here is the full list of all 32 Ashley Clark: Secret of the Ruby achievements.
Inspect the dungeon
Solve the puzzle 'Astronomer'
Open the entrance gates
Find Lorraine
Inspect the cellar of the castle
Find the secret cave
Inspect the bedroom of the castle
Inspect the laboratory
Inspect the hall of the mansion
Finish the game
Solve the puzzle 'Walker'
Solve the puzzle 'Rotator'
Solve the puzzle 'Seeker'
Solve the puzzle 'Serpentologist'
Solve the puzzle 'Scrabble'
Solve the puzzle 'Know-it-all'
Solve the puzzle 'History'
Solve the puzzle 'Burglar'
Solve the puzzle 'Archaeologist'
Solve the puzzle 'Cook'
Solve the puzzle 'Pathfinder'
Solve the puzzle 'Mechanic'
Solve the puzzle 'Restorer'
Solve the puzzle 'Chess player'
Solve the puzzle 'Thinker'
Solve the puzzle 'Metaphysician'
Assemble the shield with heraldry
Prepare a magical potion
Open the portal
Make the genetic analysis
Hack into the security network of the mansion
Defeat Jack in dice