Rock On

Rock On, manufactured by Allied Leisure Industries in 1975, is a solid-state electronic (SS) pinball machine themed around music, singing, and dancing - a genre that captivated players during the mid-1970s. This particular example is a rare factory-made coinless 'home model' variant, not the standard commercial release: Allied Leisure's VP of Manufacturing at the time, Troy Livingston, has said the company made two or three coinless units of most every model at the factory for friends of the company.

Gameplay-wise, Rock On features two flippers, one pop bumper, two slingshots, eight standup targets, four solitary drop targets, and left/right outlane detour gates - a robust feature set for a four-player SS game of its era.

The home model differs from the commercial version in several small but telling ways: the coin door is blank apart from the lock, the coin door wiring is capped with a loop-back plug, the credit board and credit display have been removed, the credit window is painted over in black, and the cost card simply instructs "1, 2, 3 or 4 can play, press the red button below." These modifications, rather than indicating a prototype, mark it as one of the small handful of coinless units Allied Leisure built for personal use, making it an especially scarce find for collectors today.