Here is the full list of all 22 Darkness and Flame: Missing Memories achievements.
Completed all additional puzzles in the Extras Menu.
Complete all 20 levels in the Bonus Mini-game.
The main and bonus chapters completed without skipping any mini-games.
Completed the main and bonus chapters without using any Hints in the HO scenes.
Completed the main and bonus chapters without using any Hints.
Completed the main and bonus chapters without skipping any dialogue or videos.
Completed the Mushrooms collection.
Gathered all the items at Kiara's house in less than 45 seconds.
Completed the main chapter on Hard difficulty.
Completed the Dog Statues collection.
You have found all the morphing objects.
Collected all the Story Capsules.
Completed the Road Signs collection.
Completed the Scorpions collection.
Completed the mini-game with pairs at the bar without any misses
Completed the Golden Pinecones collection.
Went through the forest without losing the trail.
Drove through the desert without any collisions.
Completed 3 mini-games in a row without using a Skip.
Unlocked 3 chests in the mini-game in the ship in less than 20 turns.
Completed a mini-game in less than a minute.
Completed an HO scene in under 2 minutes.