Here is the full list of all 50 The Walking Dead: Survival Instinct achievements.
Restored Survivors 25 Times
Dismembered 250 Limbs
Arrived at Final Destination with Only Female Survivors
Survived 5 Breakdowns
5 Survivors Were Killed While Scavenging
Consumed 50 MREs
Killed Walkers Using Every Ranged Weapon
Explored 25 Unmarked Travel Locations
Chose to Travel at Least Once with Every Optional Survivor
Killed 100 Walkers while Grappling
Prevented 50 Walkers from Grabbing You
Killed 5 Walkers in the Cabot Ridge Creek Bed
Killed a Walker That Is Falling Due to Dismemberment
Dismembered All Limbs of 25 Walkers
Completed All Marked Destinations on the Map
Collected Every Stuffed Squirrel
Found Every Poster
Found Every Useable Vehicle
Shot a Walker with 10 Bolts without Killing It
Consumed 250 Fuel
Completed 25 Optional Objectives
Perished 13 Times
Completed a Marked Destination on the Map Using Only Firearms
Completed the Final Marked Destination on the Map
Completed the Game with Only 1 Firearm and 1 Bullet Left in Your Inventory
Fired 300 Bullets
Arrived at Final Destination with Only Male Survivors
Completed the Third Act
Entered Sherwood Without Any Survivors
Killed Walkers Using Every Melee Weapon
Completed a Marked Destination on the Map without Taking Any Damage
Completed a Marked Destination on the Map Using Only the Crossbow
Pulled a Bolt From a Walker Then Killed Them With It
Shot a Walker in the Knee with a Bolt
Completed the Second Act
Killed Multiple Walkers with One Bullet
Killed 4 Walkers in a Single Grapple Sequence
Killed 5 Walkers with One Explosion
Distracted 50 Walkers with Items
10 Walkers Were Killed with Saw Blades in the Logging Camp
Completed the First Act
Performed Execution Kills on 50 Walkers
Prevented a Walker from Damaging You by Severing Its Attacking Limb
Explored an Unmarked Travel Location
Dismissed a Survivor
1 Optional Survivor Recruited
Completed a Marked Destination on the Map without Killing a Walker
Completed a Marked Destination on the Map without Being Grabbed by a Walker
Completed the First Location
Sprinted Until You're Exhausted 10 Times in One Level