Here is the full list of all 15 The Hunter's Journals - there are Red Ripper achievements.
Begin a game at any difficulty level.
Reach a dead end.
Fail to complete your hunt.
Beat the game on Easy difficulty.
Beat the game on Intermediate difficulty.
Beat the game on Hard difficulty.
Beat the game with a Maximum Skill of 9 or less.
Beat the game without using any Medical Supplies.
Beat the game without saving.
Unlock all artwork in the gallery.
Get the Martyrdom ending.
Save the monkey!
Complete the game with an unusual trophy.
Die after stealing an item of great value.
Find the Ripper without a compass.