Fallout 4 Unlimited XP Exploit / Glitch ( Question Whats the best fallout 4 exp grind/ exploit (if exploits still exist for exp ) (self. Fallout ) submitted 10 months ago by Nutso18 Basically I quit fallout 4 a fallout 4 Exp Exploit Code few years ago because I fucked up one of my saves and was too late to realize that. Fallout 4 General Discussions Topic Details. Nov 17, 2015 @ 1:49pm Easy Legit. Exp Exploit, in the city, there s a building on the river called Back Street Apparel. Exploits - Fallout 4 Wiki Guide - IGN Inside you will find a safe (advanced difficulty) wired to a terminal. Pick the safe, then hack the terminal. Fallout 4, unlimited XP, exploit / Glitch ( XP in 10 Minutes) This. Fallout 4 Exploit / Glitch lets you repeat the same short and easy quest infinite times to farm unlimited XP (Experience Points).