Trophy/Achievement: Porcupine (Bronze)/15g – Shoot a Walker with 10 Bolts without Killing It Location: Barksdale – This can be done anytime after you have the crossbow (HTG)Brian shows you how to get all of the Porcupine Trophy/Achievement for The Walking Dead Survival Instinct on PS3, Xbox360 and PC. Shoot a Walker with 10 Bolts without […]