Here is the full list of all 37 Fighting Fantasy Legends achievements.
Open Zagor's Treasure Chest in Firetop Mountain
Complete the Creature Codex
Kill Zagor, Balthus Dire and Zanbar Bone on Adventurer Difficulty
Kill Zanbar Bone
Beat the Strongman in Port Blacksand
Find the Spider-Man
Kill Balthus Dire
Kill Zagor the Warlock
Kill the Red Dragon in Firetop Mountain
Rescue the Prisoner in Firetop Mountain
Carry the Best Weapon and Armour Cards
Find the Hag's Hair
Pass 10 Skill Tests
Escape from Jail in the Citadel
Find the Legendary Pirate Treasure
Get a Tattoo
Find the Silver Throwing Knife
Pass 10 Luck Tests
Defeat the Goblins or the Troll in the Spotted Dog Tavern
Gain 10 Titles
Be Victorious in Combat 20 Times
Play any dice game at the Zengis Gambling Hall
Complete 5 Quests
Find the Black Pearls
Kill all of the Pirates on the Pirate Ship
Win a Fight That You Start With 1 Stamina
Find the Lotus Flower
Win a Game of Baysball
Dice with Death in the House of Skulls
Unlock a Title
Upgrade any Die
Have a Curse Removed
Fully Upgrade Your Luck Dice
Fully Upgrade Your Skill Dice
Kill Zagor, Balthus Dire and Zanbar Bone on Legend Difficulty
Kill Zagor, Balthus Dire and Zanbar Bone on Hero Difficulty
Unlock all Titles with the Same Character