Here is the full list of all 42 DreadOut achievements.
Playing DreadOut on Thursday night
Finished the game without entering Limbo in Act 1
Playing DreadOut without any clues
Collected all ghost pictures
It's a cute way to die
Dial the correct number
Solved the mistery of the crying widow
Resistance is futile against the hand of fate
Took a picture of Betsy
Took a picture of Pocong on a motorcycle
Took a picture of Genderuwo
Took a picture of UFOs
Thank You
Finished DreadOut
Playing DreadOut with convenience
Endured all the scary moments on DreadOut so far
Reached an alternate ending
Found the secret of the mansion
Took a picture of Gundul Pringis
Took a picture of Palasik
Stay scanning for ghosts
Collected all articles
Took a picture of Sundel Bolong at the school cafeteria
Added any picture to the gallery
:P~
Deal with Suzzie
Listen to her story
Banish many Pocongs in single shot
Solved graveyard puzzle
Collected all special items
Acquired the Camera
Solved all puzzles
Left the school
Defeated the school principal's ghost
Took a picture of the cat
Solved a puzzle
Found an article
Trapped alone
Took a picture of Shakira Irawati
Entered Limbo
Travelled for a long distance
Took a picture of a ghost