Some casinos add free spins to their daily or weekly promo calendars. You might get from 10 to 25 rounds for logging in or playing a specific slot. However, casinos usually offer fewer spins in this category, usually from 10 to 20, and limit them to selected slots. If the game’s RTP is average, these rounds may not be enough to get even a small win. To help you find the best deals, the Gamblizard team...