Full list of all 25 Blair Witch achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Become Carver
Break 10 totems.
Kill 10 monsters.
Collect the first psychiatrist's note.
Make the pizza guy lose it.
Collect the first dog tag.
Walk 100 miles...
Kill your first monster.
Collect the first victim's photo.
Pet the dog
Collect the first wooden doll.
Help Ellis to get his redemption.
Find out what happened to Bullet.
Find out what happened to Peter.
Patch things up with Jess.
Pay your respects to sheriff Lanning.
Let the VA know about the lumberjack's death.
End the game without killing any monsters
Pick up all the trash.
Collect all dog tags of the fallen comrades.
Collect all wooden dolls.
Collect all of the psychiatrist's notes.
Collect all victim's photos.
Let Bullet bring you 10 things
Score 40 points in Cobra.