You can see the full game walkthrough including all achievements in the following video /Vous pouvez voir le walkthrough du jeu complet incluant tous les succès dans la vidéo suivante :


Achievement / Succès :
0:50 The Hourglass : Good old memories
2:00 The Painting : Weird feelings
3:38 The TV :Appearances can be deceiving
3:56 The Globe : The world is awesome
4:08 The ink pen : Love writing?
4:43 The leaf : Plants are living with us
5:01 The Ship : Slicing through sapphire waves
5:59 The Typewriter : What a satisfying click-clack!
9:20 The Clock : It's just a matter of time
11:33 The Pawns : A ballet of intellect
11:33 All Pages Read : You now know what Benjamin have done
12:38 The Telephone : Who you're gonna call?
14:46 Escape : Get out the Benjamin's Room
18:17 The Animal Skull : Tales of bygone hunts
23:18 The skull eye : It can still see pretty well
23:53 The Owl : Super vision at night
27:19 Escape again : Escape the Alternative Room

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Have fun !!