No purchase necessary. Open to legal residents 18 years of age or older. Void where prohibited. Excludes the Prince St. Pizza – New York location at 27 Prince Street, New York, NY 10012. Limit one (1) winner per participating market. Entries from in-store visits and online purchases are limited to one (1) entry per 30-minute period; multiple transactions within the same 30-minute window will be counted as a single visit and will only result in one (1) entry. Visit frequency is measured in 30-minute intervals. Referral entries: Participants may earn three (3) additional entries for each new customer they refer to the Prince St. Pizza loyalty program. A referral will be deemed successful only if the referred individual both signs up for the loyalty program and completes a qualifying purchase of $5 or more. For every successful referral, the referring participant will receive three (3) giveaway entries plus a free slice in accordance with the standard loyalty program, and the referred individual will receive five (5) giveaway entries and fifty (50) bonus points in accordance with the standard loyalty program. Online orders entries excludes Toronto location, must be placed through the Prince St. Pizza website via pickup or delivery buttons, this landing page, or the official ordering platform (princestreetpizza.olo.com) to qualify; orders placed through third-party delivery services, including but not limited to Uber Eats, DoorDash, and Grubhub, are not eligible. To receive entries for in-store visits, participants must provide or be associated with their Prince St. Pizza loyalty account at the time of purchase, and for online orders, participants must be signed into their loyalty account prior to completing checkout. For complete details, eligibility requirements, and additional terms, please review the Official Rules and Terms & Conditions.