Here is the full list of all 21 Lost Lands: The Wanderer achievements.
Mask collection assembled.
Sailboat models collection assembled.
Find all the morphing objects.
Collected all pages from the Lost Lands book.
Bottles of rum collection assembled.
Skull collection assembled.
Fish collection assembled.
Completed an HO scene in under 2 minutes.
Complete 3 mini-games in a row without using a Skip.
Complete a mini-game in less than a minute.
Complete the main and bonus chapters without skipping any mini-games.
Completed the main and bonus chapters without using any Hints in the HO scenes.
Completed the turning wheel mini-game at the Earl's Castle in less than 40 turns.
Completed the mini-game with crystals at the Intersection in less than 3 minutes.
Completed the main chapter on Hard difficulty.
Completed the main and bonus chapters without skipping any dialogue or videos.
Completed the main and bonus chapters without using any Hints.
Completed the mini-game with the clover at the Archmage Tomb without any mistakes.
Completed the mini-game with the coin at the Portal in less than 16 clicks.
Collected all additional puzzles in the Extras Menu.
Completed all Bonus mini-game levels in the Extras Menu.