How do tools work in the Expedition mini-game? May 18, 2021 15:25 Updated Discoverer's Magnifier reveals one random tile without a bomb. Mine Detector defuses one bomb. Chronometer adds 45 seconds to the game time. Related articles How do I play the Expedition mini-game? What are "Happy Hours"? How do you play the Excavations mini-game? What are the features of the Weekend Event? Which tools are in the Mahjong mini-game?