ROUNDLEDGER: Every Exit Closes the Next Gate

ROUNDLEDGER is an original five-junction roundabout scheduling puzzle. Four queues feed one twelve-sector ring. Existing traffic moves before the selected queue enters, couriers advance twice, and every vehicle that exits closes its own crossing gate through the following release opportunity. The player must read speed, target exit, queue deadline, ring occupancy and inherited locks before choosing North, East, South, West or Hold.