Traffic
puzzle game for Commodore 64, 1984

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Use Control Port 2.
Traffic is a simple game where the player has to guide cars, motorbikes and
buses through busy London streets by changing the traffic lights from red to
green. The objective in order to advance to the next level is to get a preset
number of vehicles through the screen, although it does not matter which exit
you direct them through. Cars continue to queue off the edges of the screen
(with numbers next to them if there are queued cars beyond your vision) and
if the queue reaches more than five cars, it's game over. A warning sound is
given when five cars are queued; you must hope there are not also queues on
surrounding roads. Cars always stay on their side of the road, and collisions
are not possible.
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Some useful keyboard shortcuts
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[PAUSE] - stop/continue game
[F9] - quick load game state
[F12] - quick save game state (still stored after leaving the site)
[F11] - toggle fullscreen mode
[ScrollLock] - quick switch control ports
[PageDown] - make a screenshot (320x200)