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