Underdog Promo Code October 2025: VIBONUS for $100 Bonus
Updated on 10/21/25
| Fantasy Sports · Underdog |
The Underdog promo code is
Underdog burst onto the DFS scene with major star power and innovation from day one. Backed by high-profile investors like Mark Cuban, owner of the Dallas Mavericks, and NBA superstar Kevin Durant, Underdog quickly made waves across the fantasy sports community.
With more than $10 million raised at launch, the platform set out to reimagine daily fantasy sports by making it social, simple, and fun for both new and experienced players. By blending sleek app design, a community-driven experience, and the influence of major names in sports and media, Underdog has become one of the fastest-growing names in the DFS world.
If you’re ready to join the action, don’t forget to use the Underdog promo code when signing up to unlock an exclusive bonus.
CONTENTS
- Underdog Promo Code
- How to Sign Up With Underdog
- Underdog Promos for Existing Users
- How Does Underdog Compare?
- Underdog App Review
- Is Underdog Safe?
- Underdog Leagues
- Payment Options
- Underdog Customer Support
- Underdog FAQ
- Underdog Review Conclusion
UNDERDOG PROMO CODE VIBONUS
The Underdog promo code
Of course, the current Underdog welcome offer is tied to signing up for a new account and placing an eligible entry. New players who place at least $5 on any contest will receive $100 in bonus funds or entries.
See more details below 👇
| 🎁 Underdog Promo Code | |
| 💰 Underdog Welcome Offer | |
| ✍️ Terms & Conditions | |
| 🏟️ Games | Best Ball, Battle Royale, Fantasy Pick 'Em, Champions, More |
| ✅ Last Verified | October 21, 2025 |
HOW TO SIGN UP WITH UNDERDOG
It is easy to sign up for a new Underdog account. This involves the following four-step process:
- Click any of our links on this page to be taken to Underdog's web platform or app
- Enter a valid email address, username, and password. This is also where you should enter Underdog promo code
VIBONUS - Wait for confirmation to validate eligibility through any additional information. You may need to provide additional identity verification.
- Activate a new Underdog account with an initial deposit.
UNDERDOG PROMOS FOR EXISTING USERS
Underdog takes a brand new approach to DFS contests and tournaments.
There are a number of promos for existing users of the platform, such as:
- Bonus Entries
- Gimme Picks (i.e., a player's Pts + Rebs + Asts will go down to 0)
- Profit Boosts
- Refer A Friend
- Ladders (start with three to five players with alternate line combos that allow you to gain more as your picks get graded; you win more based on how well each pick/player performs)
- Streaks (start with two players and continue one pick at a time if your first two are correct; you can win up to 1000x if you get 11 right in a row, or cash out early if you don't want to continue after a correct pick)
- Rescues (certain picks are voided if your player gets injured, but terms apply)
HOW DOES THE UNDERDOG PROMO CODE COMPARE?
The Underdog promo code is one of the best in the market today.
Check out how it compares to others below 👇
| 📱 DFS/Social Sportsbook Operator | 🤑 Offer | 🎁 Promo Code |
|---|---|---|
| Underdog | ||
| Sleeper | ||
| Thrillzz | ||
| Fliff | ||
| Dabble |
Although Underdog's promos are quite great, its features stand out even more.
Looking for a Best Ball tournament in multiple sports? Underdog has the drafts for that.
What if you just want to do Pick ' Em here and there rather than commit to a season-long venture? Yup, Underdog has you covered there, too.
(Depending on your state, if available at all, you'll either be in Classic Pick 'Em or Pick 'Em Champions.)
UNDERDOG SPORTS APP REVIEW
The Underdog app stands out with its clean design and smooth UX, making it one of the best platforms in the DFS space.
Its intuitive interface allows players to browse contests, make picks, and track entries effortlessly without unnecessary clutter or annoying pop-ups.
The "Featured" tab within "Picks" acts like a social media feed, giving you all you need to know in one simple place without having to navigate multiple areas just to submit an entry.
From that featured tab, you can see available promos, popular picks others are making (such as for Monday Night Football, for example), community packs from Discord, popular games that day, and much more.
Long story short, whether you’re tracking your entries or looking for what's going on that day, Underdog delivers a polished experience that’s built with players in mind.
If you want to get in on the action, be sure to sign up using an Underdog Promo Code!
IS UNDERDOG LEGIT?
Underdog is a mainstay in the DFS marketplace and is one of the most recognizable brands in the industry.
What's more, there is round-the-clock support covering any questions or concerns. Underdog also allows users to
Given the whole package, Underdog is absolutely safe to play.
UNDERDOG LEAGUES AND MARKETS
Underdog offers DFS contests and tournaments on a regular basis. Fantasy players can take advantage of daily, weekly, and season-long competitions.
LEAGUES
As of this writing, Underdog offers contests and tournaments across nearly every major sport, giving users a wide range of options throughout the year.
You’ll find daily formats for the NFL, NBA, MLB, and NHL, along with college football, soccer (including FIFA competitions), and even esports, among others. For season-long drafts and the like, you have the same options outside of soccer and esports.
Whether you’re a traditional fantasy player or a fan of emerging markets, Underdog keeps the action going year-round with fresh slates, innovative formats, and competitive prize pools for every type of sports fan.
MARKETS
There are various ways to compete in Underdog contests and tournaments.
As mentioned before, there are daily, weekly, and season-long contests for all the available leagues. The tournament schedule offers essentially countless events for the NFL, so there is something for everyone.
There are also multiple drafts and tournaments for MLB, NBA, and NHL.
UNDERDOG PAYMENT OPTIONS
As with most operators, you can deposit using the following options:
- 💳 Credit or Debit Card
- 🏦 Online Banking (Preferred)
- 💲 PayPal
This site offers guaranteed, secure payments when funding an online account. Withdraw requests to a PayPal account or bank account are also guaranteed to be secure.
UNDERDOG CUSTOMER SERVICE
Underdog offers quick and seamless customer support through their app and website.
Navigating to "Contact customer support" brings up a bevy of resources, such as top support articles, a search function to find what you need help with, and, of course, an option to send Underdog a message if need be.
Wait times are dependent on volume, but I was able to get a response fairly quickly.
UNDERDOG PROMO CODE FAQ
HOW DO I USE THE PROMO CODE ON UNDERDOG?
When signing up with your email, username, and password, simply input
WHERE IS UNDERDOG LEGAL?
Underdog Classic Pick 'Em is available in Alaska, Georgia, Indiana, Minnesota, Nebraska, New Mexico, North Dakota, Oklahoma, Oregon, Rhode Island, South Dakota, Texas, Utah, and Wisconsin. Underdog Champions Pick 'Em (Peer-to-Peer) is available in Alabama, Arizona, Arkansas, California, Colorado, Delaware, Florida, Illinois, Kansas, Kentucky, Massachusetts, Mississippi, Missouri, New Hampshire, North Carolina, Tennessee, Vermont, Virginia, Washington D.C., West Virginia, and Wyoming.
HOW LONG HAS UNDERDOG BEEN AVAILABLE?
Underdog was first launched in 2020 by Jeremy Levine, Brandon Stakenborg, and Trevor John as a social-media-friendly fantasy sports product.
WHAT TYPE OF FOOTBALL FANTASY LEAGUES DOES UNDERDOG OFFER?
Fantasy players can take part in daily, weekly, and season-long competitions. There is also a player pick’em contest and multiple different tournaments available.
ARE YOU ALLOWED TO SUBMIT MULTIPLE ENTRIES INTO UNDERDOG CONTESTS?
Players are only allowed one entry per contest, unless noted in the specific rules.
FINAL THOUGHTS ON UNDERDOG
Underdog has quickly cemented itself as one of the premier names in daily fantasy sports.
By combining sleek design, seamless functionality, and innovative gameplay formats, it has created a platform that appeals to both newcomers and seasoned DFS veterans alike.
With continued growth, major partnerships, and a loyal community behind it, expect Underdog to continue to be one of the top...well...dogs for many years to come.