Lucky Charms Marshmallow Only Instant Win Game Posted On September 10, 2019 UPDATE: To get a free game code click the Where can I find a code? link and then the Click here to find out how to request a free code.Enter the Lucky Charms Marshmallow Only Instant Win Game for a chance to instantly win 1 of 15,000 boxes of Lucky Charms Marshmallows Only! To enter, buy a box of Lucky Charms for an entry code, or request a free code via mail-in or online (free online codes start in September). Ends September 17, 2019. Good Luck!Prizes Include: (15,000) PRIZES (four thousand three hundred sixty-three (4,363) awarded for the National Prize Pool and ten thousand six hundred thirty-seven (10,637) awarded for the Retailer Prize Pool): A box of Original Lucky CharmsTM – marshmallows only pack. Approximate RetailValue (“ARV”): $50.00