My Underdog Promo Code Says It's Invalid

If you received the e-mail with your unique promo code for 100% off an annual bundle DynastyGM + NerdHerd subscription*, but your promo code is invalid, please fill out the contact form by clicking 'contact' in the top right corner of the support page. Someone will contact you to help you resolve this issue. This issue is typically caused by refreshing or backing out of the checkout screen. This causes the system to think your promo code was used.


*This promotion is valid through April 30, 2024.

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