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