Here is a video walkthrough with all achievements guide below.
Forgotten Hill Tales Walkthrough
0:00 Intro
0:11 Chapter 1 : Little Cabin in the Woods
10:35 Chapter 2 : Portrait of an Obsession
32:57 Chapter 3 : Grandma’s Delicious Cakes
56:57 Chapter 4 : Rise of Pico
1:13:34 Chapter 5 : The Left Behind
1:53:43 Secret Room / Secret Achievements
0:11 Chapter 1 : Little Cabin in the Woods
Succès / Achievements
2:29 Degenerate Grandson : Behave like a bad Grandson
2:56 On Fire : Light the fire
3:45 In the wall : What’s in the wall?
6:57 Sawbones : Find the perfect broth bone
9:08 Masterchef : Cook a perfect soup
10:09 Finally Out : Finally leave the cabin
10:35 Chapter 2 : Portrait of an Obsession
Succès / Achievements
15:37 It can’t rain all the time : Find a way to stop the rain
16:13 Will-o’-the-wisp : Get killed by a spirit
17:49 Tanuki friend : Win the Connect 4 game
21:28 Yurei Kiss : Get killed by a Yurei
22:34 A generous gesture : Make another offer
23:10 Intoxicator : Get the Geisha drunk
30:38 It’s mine! : Steal the painting
31:50 Demonized : Get killed by an Oni Demon
32:57 Chapter 3 : Grandma’s Delicious Cakes
Succès / Achievements
34:21 Sweet tooth : Eat all the mini-cakes
42:46 Pico? : Get killed by a Rattus Piconicus
45:22 Degenerate guest : Behave like a bad guest
47:33 Cake Master : Make all the Cakes
50:29 Dessert : You are the dessert
(You need to play a 2nd time to unocl the following achievement)
55:58 Survivor: Get out and survive
56:57 Chapter 4 : Rise of Pico
Succès / Achievements
1:03:17 Degenerate butler : Behave like a bad butler
1:06:29 Obey : Satisfy all Lady’s requests
1:07:20 Shaggydog : Get killed by a monster dog
1:08:59 Restless spirit : Get killed by a ghost
1:10:22 Always Together : Now they will always be together
1:11:57 Rattus Piconicus! : Get killed by a Pico
1:12:48 Caught! : Capture Pico
1:13:34 Chapter 5 : The Left Behind
Succès / Achievements
1:18:35 Heavy-heartedly : Weigh your heart
1:29:45 Loser : Lose the chess game
1:31:50 Winner : Win the chess game
1:32:35 Beetlebuster : Catch all scarabs
1:49:53 Mummy : Put the mummy back together
1:52:26 Degenerate prisoner: Behave like a bad prisoner
1:53:25 Finally free : Escape the Museum
1:53:33 Brainiac : Complete all Tales without using hints
1:53:33 All Tales : Complete all Tales
1:53:43 Secret Room / Secret Achievements
1:54:45 Cable man : Find a new TV program
1:55:44 Play of shadows : Make new shadows appear
1:56:57 Play it again : Find a new Carillon melody
1:57:42 Mad scientist : Play with laboratory machines
1:58:47 Secret Room : Find a secret play room
2:04:31 Highscore : Make 500 points in the videogame