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Photos: Playing 'SF0' offline
Players of Web-based game "San Francisco Zero," or "SF0," try to complete many tasks offline.
Bridge tolls
Players of Web-based game "San Francisco Zero," or "SF0," try to complete many tasks offline. One involves paying the bridge tolls of at least two additional cars.
Nontraditional wallet
One task "SF0" players can complete is creating a nontraditional wallet. This player took the assignment seriously.
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