You've been in rooms full of pinball machines before. Not like this. Every July, collectors and operators bring their machines to Santa Clara — not for display, not behind velvet rope — but set up on free play for the entire weekend. Five hundred of them. The 1970s electromechanical tables that require a different kind of patience. The golden-age arcade cabinets. The obscure things from the late eighties that haven't been in a room together since the mall they lived in closed down. You pay once to get in, and then you just play. This is California Extreme, July 17-19, 2026 at the Santa Clara Convention Center. The people who …