Here is the full list of all 27 The Outlast Trials achievements.
Acquire the "Bamboozler" badge.
Acquire the "Glutton for Therapy" badge.
Acquire the "Slip and Slider" badge.
Acquire the "Spreed Freak" badge.
Acquire the "Trigger Happy" badge.
Acquire the "Major League Player" badge.
Acquire the "Anger Issues" badge.
Acquire the "Mechanophiliac" badge.
Acquire the "Big Saver" badge.
Acquire the "Together We Are Strong" badge.
Acquire the "Power Surge" badge.
Acquire the "Bullseye" badge.
Acquire the "Hunchback" badge.
Acquire the "Marathoner" badge.
Acquire the "Sleight of Hand" badge.
Acquire the "Crowd Control" badge.
Acquire the "Hypochondriac" badge.
Acquire the "Sawbones" badge.
Acquire the "Breathe In" badge.
Acquire the "Chicken in a Pot" badge.
Acquire the "Toastmaster" badge.
Acquire the "Tapetum Lucidum" badge.
Acquire the "Vision Quest" badge.
Acquire the "Get Down" badge.
Acquire the "Hemophiliac" badge.
Acquire the "Hoarder" badge.
Acquire the "Can't Touch This" badge.