April 2 Update: All new customers can score a free square when you sign up with Underdog promo code: ALARM. If Steph Curry scores a single point tonight, his selection will hit and you'll be that much closer to winning your first entry!

This Steph free square is ON TOP of your $100 instant signup bonus!

Claim your two instant bonuses now with Underdog Fantasy promo code: ALARM.





It’s an exciting time in the sports calendar. We’re celebrating MLB Opening Day, but March Madness, NBA and NHL are all in full swing as well.

With so much sports action - and so many great daily fantasy promotions running - you should take advantage of the best signup bonuses on offer and get in on the action.

Underdog Fantasy promo code ALARM unlocks an INSTANT $100 deposit match for all new signups!

Click here to double your first deposit up to $100 before you even play your first game, draft your first team, or make your first picks! All you need to do to get started is enter Underdog promo code ALARM when signing up.




Underdog Fantasy has one of the best mobile apps and the widest range of offerings in the industry. We'd already recommend that you see it all for yourself – and now you have a major incentive to do that today!

Underdog Fantasy Promo Code ALARM: Instant First-Time Deposit Match Worth Up To A $100 Bonus

Yeah, you read that right: this is an instant $100 max bonus! If you claim it now, you'll be able to use your Underdog bonus before today's games even begin!

Sign up now to grab your bonus. If prompted, use Underdog Fantasy promo code ALARM. Next, make your first deposit. As long as your first deposit is between $10 and $the 100 max, Underdog will INSTANTLY match the amount you deposited in bonus funds! 




What better way to begin your Underdog DFS career than by doubling the amount of funds you originally started with? Click here to start the process and join using Underdog Fantasy promo code ALARM.

Securing Your Underdog Promo Code Bonus: A Step-by-Step Guide

We'd say we're here to help you at every step along the way… but there really aren't that many steps. This is a super simple signup bonus - which is great, so you can focus on fantasy and fun rather than registration forms!

  1. Join Underdog through a link on this page
  2. Use Underdog promo code ALARM during registration
  3. Deposit $10 up to a maximum of $100

And bam! Just like that, you’ll have your initial deposit amount doubled in bonus funds. You’ll immediately be ready to play - and with your bonus credits to boot!



Underdog Fantasy FAQs

Where is Underdog Fantasy Legal?

Underdog DFS is available in:

  • Alabama, Alaska, Arizona, Arkansas, California, Colorado, DC, Georgia, Illinois, Indiana, Kentucky, Maine, Massachusetts, Minnesota, Missouri, Nebraska, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, and Wisconsin.

What Games are Available at Underdog?

Playing at Underdog is an absolute blast! With an astonishing array of games to choose from, boredom is simply not an option. 

From classic Pick'Em games to the thrilling Battle Royale and Best Ball, they have it all and then some! Get ready for an unforgettable gaming experience like no other.

Sports Offered At Underdog Fantasy

Looking for a DFS platform that offers an exciting range of sports leagues? Look no further than Underdog Fantasy! 

With CBB, Esports, FIFA, MLB, MMA, NBA, NFL, NHL, PGA, Tennis, and WNBA, they’ve got all your favorite sports covered.

Join Underdog now and experience daily fantasy sports like never before!




Snag $100 At Signup Using Underdog Fantasy Promo Code: ALARM

This Underdog promotion is as sizable as it is straightforward. Sign up with Underdog Fantasy promo code ALARM, deposit, and watch your playable account balance be instantly doubled, up to $100. 

With the vast array of sporting options currently at your disposal, it’s a perfect time to add Underdog to your fantasy arsenal. Join the fun now, and remember to use Underdog promo code: ALARM.