Location: Level 20 Gone Missing – Relic, Mine (Minesweeper Challenge) , Cairn (Cairn Raider Challenge) and Flags (Previous Inhabitants) locations Trophy/Achievement Objective: No Stone Left Unturned (100% of the Document, Relic,GPS Cache) (HTG) Brian shows you in level 20, Gone Missing part 1, where we find 5 Documents, 8 Relics 13 GPS Caches, 5 Mines, […]