What's better than a bar? A bar where you can play games, obviously! What's better than a bar where you can play games? A bar where you can play games for FREE! Coin-Op San Francisco is a combination bar and arcade with over 40 arcade games such as Pinball and Pac-Man. Normally, you need a pocketful of quarters to play each game. HOWEVER, on the last Sunday of the month, EVERY SINGLE GAME AT COIN-OP IS FREE TO PLAY! ALL DAY LONG! Show up anytime between 14:00 and 2:00, grab a beer at the bar, and beat your friends in Pinball. No quarters required.