The Williams Pinball Controller (WPC) is an arcade system board used for several pinball games designed by Williams and Midway (under the Bally name) between 1990 and early-1999. It is the successor to their earlier System 11 hardware (High Speed, Pin*Bot, Black Knight 2000).

Funhouse (designed by Pat Lawlor) was the first production game to use the WPC System, although there are prototype Dr. Dude machines that use the WPC System.


There are seven variations of the WPC hardware. The original version is sometimes referred to as WPC-89. The variations are as follows:

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