You can see the complete walkthrough of the game including all achievements in the following video :


0:00 PROLOGUE
2:48 Achievement : Eureka ! : Successfully merge items for the first time
2:54 cobwebs 1and 2
5:39 Achievement : Gifted Musician : Successfully play a piece of music
5:49 Pencil box Puzzle
9:53 Old Notebook / Butterfly Book Puzzle
12:35 Letter Dear Uncle Puzzle
14:06 Achievement : Item Collector : Accumulate 10 items
14:53 Plant food Recipe Puzzle
16:58 cobwebs 3 4 5 6
17:24 Achievement : Clean Master : Clear all cobwebs.
18:03 Samuel's Wardrobe lock
19:23 Achievement : Another Story : Discover the stuffed animals made by Mrs. Samuel
19:46 Wolf path Puzzle
21:42 Achievement : Chilhood Friends : Complete the Prologue

23:00 CHAPTER 1
27:08 Samuel's game yellow and blue pieces Reversi / Othello
30:02 Seeking Youg Columnist test
31:24 Briefcase Code
32:22 Bookshelf Puzzle
41:28 Insect book / Bug Journal Puzzle
45:21 Cake Recipe Puzzle
48:50 Good Cake Puzzle
50:23 Tree Costume Puzzle
51:56 8 Bottles Puzzle
55:37 Snake Puzzle
57:36 Puppets Puzzle
1:01:03 Eye Pattern Puzzle
1:03:46 Samuel's Tombstone Mecanism Puzzle
1:05:43 Lock and keyhole Puzzle
1:09:46 Achievement : Tales of the Four Seasons : Interact with the lemon tree of all seasons
1:10:14 Worms / Larva Puzzle
1:12:23 Lucky Potion Recipe Puzzle
1:15:59 Achievement : Miracle Cure : Successfully craft a panacea
1:16:57 Achievement : Adventure Time : Complete Chapter 1
1:18:00 Achievement : Witch's Secret : Find all the notes left by the witch

1:18:20 CHAPTER 2
1:21:12 Crab / Magnet Puzzle
1:23:44 Telescope ring pattern Puzzle
1:25:15 Achievement : Ready Player One : Accumulate 100 items. (I have played several times prologue, chapter 1 and 2 so this achievement unlocks here for me)
1:26:38 Squid Fishing Puzzle
1:29:21 Odd Life Puzzle
1:30:45 Five bells Puzzle
1:32:54 Six Islands Puzzle
1:37:05 Gramophone Puzzle
1:35:21 Achievement : Mr. Pumpkin : Interact with all Mr. Pumpkin’s derivatives.
1:39:29 Iron box Puzzle
1:45:58 Antique Clock Puzzle
1:49:30 Injured butterfly's wing Puzzle
1:51:27 Bag of the Lady Puzzle
1:54:18 Trap box Puzzle
1:56:10 Achievement : Unspoken Gifts : Interact with all gifts from Carlos
1:58:47 Accordion music Puzzle
2:00:30 Achievement : The Truth is Out There ! : Send out the weapon
2:02:27 Achievement : Close Yet Far : Complete Chapter 2.
2:03:26 Arrangement of the briefcase Puzzle

2:05:40 CHAPTER 3
2:10:40 Achievement : Pack Rat : Accumulate 50 items.
2:10:51 Box red and yellow Puzzle
2:14:10 Achievement : Cat Memories : Organize Lion's belongings.
2:14:39 Key Puzzle
2:18:23 Achievement : Couch Potato : Watch all the channels on TV.
2:19:04 Phone numbers Puzzle
2:25:06 Photos Puzzle
2:26:36 Laser eyes Puzzle
2:28:15 Thornstorm Butterfly Egg Puzzle
2:31:38 Rare stone Puzzle
2:33:49 Electrical boxes Puzzle
2:36:06 Windmill Puzzle
2:37:48 Stack of colorful books Puzzle
2:43:30 Arrows Puzzle
2:50:30 Outfit Puzzle
2:52:07 Exhibition map Puzzle
2:55:28 Achievement : The Notebook : Complete Chapter 3.
2:56:31 Achievement : True Love : Reach the ending.

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