Main Menu > Options > Glossary - Unlocks Scientist
Main Menu > Options > World Map - Unlocks Researcher
Main Menu > Start Game - Unlocks Newbie

Start Game

• Take cover at the pine forest

Unlocks - Pathfinder / Victory

Start Game

• Stick to your guns
  
• Count the amount of stocks remaining
  
• Pacify the crowd, hoping to find a different solution
  
• Eat horsemeat and human meat

Unlocks - First Blood

Start Game

• Agree with Vigo
  
• Return to the Crystal rock to wait out the night there
  
• Help the wounded

Unlocks - Doctor

• Slaughter the horse and satisfy hunger
  
• Examine Gerda's leg dislocation

Unlocks - Love

• You decide to keep the ruby to yourself just in case

Unlocks - Rubin

• Tell the alchemist about the door

Unlocks - Alchemist

At this point you can continue down the Crown route however the achievement failed to unlock for me. As such, return to the menu and start a new game.

Start Game

• Stick to your guns
  
• Explore the cave
  
• Slaughter the horse and satisfy hunger
  
• You decide to show the ruby to Vigo to examine

Unlocks - Knife

• Tell the alchemist about the door
  
• Tell the others about your discovery
  
• Tell the people the truth
  
• Examine the room
  
• Go left
  
• Owen the huntress
  
• Dump the ballast and climb up
  
• Climb up the stairs
  
• Go closer and take the

Unlocks - Crown

Start Game

• Stick to your guns
  
• Explore the cave
  
• Slaughter the horse and satisfy hunger
  
• You decide to show the ruby to Vigo to examine
  
• Tell the alchemist about the door
  
• Tell the others about your discovery
  
• Tell the people the truth
  
• Examine the room
  
• Go left
  
• Owen the huntress
  
• Dump the ballast and climb up
  
• Climb up the stairs
  
• Ask the alchemist to tell you about the crown
  
• Allow Godfrey to examine the object

Unlocks - Joker