Here is the full list of all 22 Darkness and Flame: Missing Memories achievements.
Completed all additional puzzles in the Extras Menu.
You have found all the morphing objects.
Unlocked 3 chests in the mini-game in the ship in less than 20 turns.
Completed the mini-game with pairs at the bar without any misses
Completed the main and bonus chapters without using any Hints.
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 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.
Collected all the Story Capsules.
Completed the Road Signs collection.
Completed the Scorpions collection.
Completed the Golden Pinecones collection.
Went through the forest without losing the trail.
Completed 3 mini-games in a row without using a Skip.
Drove through the desert without any collisions.
Completed a mini-game in less than a minute.
Completed an HO scene in under 2 minutes.