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