Her arcade’s fire. A pinball diehard loves the classic pastime so much, she has converted her Park Slope abode into a plinky-plonky paradise — giving up the usual comforts of home to squeeze in 16 of the hulking, colorful machines into her railroad-style apartment. “I have a couch and a bed, that’s it,” Kaite Martin, a 34-year-old bartender told The Post of her 80-by-15-foot living space, crammed with $100,000 worth of themed pinball machines, from “Star Trek: The Next Generation,” to “Robocop,” and more recently “The Walking Dead.”