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Hat Creek Burger Company — Free Birthday Shake
Join the free Hat Creek Rewards program (age 16+, valid email and mobile number) to receive a free birthday shake. Find your reward in the app or signed-in rewards account; redeem in-store using the app QR code or through a supported online/app checkout where the offer appears.
Merchant
Hat Creek Burger Company
Purchase required
No
Credit card required
No
Shipping
Free
Email/signup required
Yes
New customers only
No
Where
Unknown
Expires
No expiration listed
Effort to claim
~2 min
Redemption requirements
Free Hat Creek Rewards account required; sign-up requires age 16+, valid email address and mobile phone number. Reward availability and exact birthday redemption window are not publicly specified.