MediumConfidence: 0.95
Key Collector
Open a total of 10 lockers in Kamurocho and Downtown Ryukyu.
Global unlock
49.7%
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What to do next
SourceTour Kamurocho and Downtown Ryukyu and open 10 coin lockers in total.
Pick up the locker keys scattered around the maps and open the locker matching each key's number.
Simply grabbing every key you spot on the street gets you there naturally.