Earthshaker

"Earthshaker," released by Williams in February 1989, is a pinball machine designed by Pat Lawlor, featuring an earthquake theme. This game is notable for being the first pinball machine to include a shaker motor, which shakes the machine during specific gameplay moments, enhancing the immersive experience​.

The gameplay centers around the player acting as an earthquake researcher, visiting various zones along the California-Nevada border. Key features include locking balls to initiate multiball and scoring jackpots, with the playfield incorporating distinct California and Nevada sections that split apart during the game.