Taking a seat at your favorite slot machine could lead to a giant Free Play prize. Join us Thursdays in April – April 1, 8, 15, 22 and 29 – for our $50,000 Free Play Fever promotion, where five (5) lucky players every hour from 11pm until 2am will win $500 in Free Play just by actively using their Club Serrano card. Winners will be announced casino-wide and do not need to claim. All Free Play prizes will automatically be uploaded to each winner’s account and is valid for seven (7) days. Guests can win once per drawing time. Late night thrills and Free Play – sign us up! Only at SoCal’s No. 1 Casino – San Manuel Casino.