Grand Slam (1975)

Grand Slam was a Pong derivative from Westlake Systems offered as both an upright cabinet and a cocktail table format. It featured three different game variants called Super Soccer, Twin Tennis, and Solo Polo which could be selected by a button at the front of the machine by the coin box.

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  (1975)
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  (1975)
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  (1975)

References

https://forums.arcade-museum.com/threads/westlake-systems-grand-slam-pong-clone.339366/