Betting Bonus Underdog Fantasy
Underdog Fantasy Logo
Underdog Fantasy Rating

4.2

/5

Underdog Fantasy Bonus

Play $5, Get $100

Underdog Fantasy Review

Underdog Fantasy Overview
Albert Profile Image
Albert Bonus & Casino Expert
Last Updated Oct 30, 2025

Underdog Fantasy is a U.S.-based fantasy sports app and website founded in 2020. Mixing fantasy sports and real-money play, Underdog Fantasy offers a way for players to bet in many states where regular online betting is still illegal. Underdog hosts popular game types such as Best Ball, pick'em contests, drafts and battle royales, but availability is limited in some states. 

Pros
Legal alternative to regular betting
Great sign-up offer
Many markets and game types
Very user-friendly
Cons
Limited payment methods
Withdrawals are somewhat slow
Mixed opinions on support

Bonus offer

5/5

Betting variety

4.5/5

Mobile experience

4/5

Payment options

3.5/5

Betting experience

4.5/5

Support

3.5/5

Summary

4.2/5

Underdog Fantasy quick facts
Website underdogfantasy.com
Game Types Fantasy sports betting, drafts, best ball
Deposit methods MasterCard, Visa, American Express, Discover, PayPal, Apple Pay, Trustly (online banking)
Withdrawal methods PayPal, Trustly (online banking), Paysafe, and Interchecks (Direct Deposit, Check or eCheck
Apps Android, iOS
Support Live chat, email
Owner Underdog Fantasy Sports
Founded Year 2020
Headquarter Brooklyn, New York
Bonus Code SBO

Underdog Fantasy - Available states

AK, AL, AR, AZ, CA, CO, DC, FL, GA, IL, 
IN, KS, MA, ME, MN, MO, NC, ND, NE, NM, 
NY, OK, OR, RI, SC, SD, TN, TX, UT, VA, 
VI, WI, WV, WY

More fantasy

Underdog Fantasy bonus

  • Play $5, Get $100
  • Turnover: 1 x bonus amount
  • Minimum odds: N/A
  • Bonus code: SBO
  • Maximum bonus amount: $100
  • Minimum deposit: $5
  • Expiration time: 60 days
  • Bonus currency: $
Underdog Fantasy Rating

4.2

/5