Promo: Bet $5, Get $50 Instantly with Code LETSFNGO

The 2025 NFL season is here, and new players can jump in with a special Underdog Fantasy offer. Sign up today and use promo code LETSFNGO to receive $50 in bonus site credits after placing your first $5 contest entry.

This welcome bonus can be used on NFL player pick’ems, including matchups like Joe Burrow taking on Cleveland, Christian McCaffrey against Seattle, or Justin Jefferson under the lights in Chicago.

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How to Claim Your Bonus with LETSFNGO

1. Download the Underdog Fantasy app (or visit the website).

2. Create your account and enter promo code LETSFNGO when signing up.

3. Deposit at least $10 into your account.

4. Play $5 or more in any contest, and you’ll instantly receive $50 in site credits.

Important Details

• Must be 18+ (19+ in AL, NE; 19+ in CO for certain contests; 21+ in AZ, MA, VA).

• Available only in states where Underdog Fantasy operates.

• Offer not valid in MD, MI, NY, OH, and PA.

• Bonus credits are non-withdrawable, require 1x playthrough, and expire after 14 days if not used.

• Data and text rates may apply. Terms and conditions apply — see Underdog Fantasy’s official site for full details.

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If you’re looking to test your NFL knowledge this season, this is one of the fastest ways to get started. Sign up today, use LETSFNGO, and enjoy $50 in bonus credits after your first play.