Here is the full list of all 50 The Walking Dead: Survival Instinct achievements worth 1,000 gamerscore.
Arrived at Final Destination with Only Female Survivors
Chose to Travel at Least Once with Every Optional Survivor
Completed All Marked Destinations on the Map
Collected Every Stuffed Squirrel
Found Every Poster
Found Every Useable Vehicle
5 Survivors Were Killed While Scavenging
Explored 25 Unmarked Travel Locations
Completed a Marked Destination on the Map without Taking Any Damage
Completed a Marked Destination on the Map Using Only the Crossbow
Shot a Walker with 10 Bolts without Killing It
Dismembered 250 Limbs
Completed the Game with Only 1 Firearm and 1 Bullet Left in Your Inventory
Killed 5 Walkers in the Cabot Ridge Creek Bed
Shot a Walker in the Knee with a Bolt
Completed a Marked Destination on the Map Using Only Firearms
Completed the Final Marked Destination on the Map
Killed Walkers Using Every Ranged Weapon
Killed Walkers Using Every Melee Weapon
Arrived at Final Destination with Only Male Survivors
Completed the Third Act
Entered Sherwood Without Any Survivors
Restored Survivors 25 Times
Consumed 250 Fuel
Dismembered All Limbs of 5 Walkers
Killed a Walker That Is Falling Due to Dismemberment
Fired 300 Bullets
Prevented a Walker from Damaging You by Severing Its Attacking Limb
Survived 5 Breakdowns
Completed the Second Act
Pulled a Bolt From a Walker Then Killed Them With It
Prevented 50 Walkers from Grabbing You
Consumed 50 MREs
10 Walkers Were Killed with Saw Blades in the Logging Camp
Distracted 50 Walkers with Items
Completed the First Act
Killed 100 Walkers while Grappling
Completed 25 Optional Objectives
Perished 13 Times
Killed 5 Walkers with One Explosion
Performed Execution Kills on 50 Walkers
Explored an Unmarked Travel Location
Dismissed a Survivor
Killed 4 Walkers in a Single Grapple Sequence
1 Optional Survivor Recruited
Killed Multiple Walkers with One Bullet
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