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