Missouri will formally legalize legal online sports betting on December 1, 2025. Most sportsbooks are now competing to win the Show-Me State market are already launching aggressive pre-launch bonuses and signup offers. This is what bettors need to know about the largest offers, how to get them, and the fine print to  watch out for.

Big names, big offers

Major operators are also using pre-registration windows (opened in mid-November) to lock in users before wagers can be placed on Dec. 1.These operators include:

• DraftKings: Up to $1,300 New User Bonus

 

Bet $5 Get $300 in Bonus Bets Instantly

PLUS up to $1,000 Deposit Bonus (20% match up to $1,000 25x PTR)

 

New Missouri users who pre-register will be able to enjoy a welcome offer of a style of Bet $5, get $300 in bonus bets when the books launch. The bonus system and expiration windows are characteristic of the pre-launch incentives of DraftKings. 

 

21+. Physically present in Missouri. Eligibility restrictions apply. Subject to regulatory licensing requirements. Register for a Missouri online sports wagering account starting 11/17.1 per new customer. $5+ first-time bet when we go live on 12/1 req. Excludes customers who redeem prelaunch signup offer. Max. $300 issued as non-withdrawable Bonus Bets that expire in 7 days (168 hours). Stake removed from payout. Terms: sportsbook.draftkings.com/promos. Ends 1/4/26 at 11:59 PM ET. Sponsored by DK. 

 

• FanDuel: Bet $5 Get $300 In Bonus Bets if Your Bet Wins 

 

FanDuel has an initial sign-up offer that typically includes a small credit with a larger unlock (such as $300 on sign-up and more bonus bets after a qualifying $5 wager once wagering is live). The pre-launch page of FanDuel itself provides these steps to Missouri customers. 

Gambling Problem? Call 1-800-GAMBLER. 21+ and present in MO.

 

• BetMGM: Up to $1,500 in Bonus Bets Paid Back on your First Bet if it Doesn't Win

 

BetMGM is promoting huge first-bet deals - usually promoted as up to $1500 first-bet coverage and early account credits to pre-registrants. Anticipate minimum deposit and location checks. 

 

• Bet365: Bet $10 Get $365 in Bonus Bets Win or Lose 
• Caesars: Bet $5 Get $150 in Bonus Bets if Your Bet Wins

bet365 is promoting typical Bet $5-10, get $365 packages targeting Chiefs and Blues fans, and Caesars has been promoting state-specific codes and early-deposit bonuses in promotional copy. These deals demand new-customer status and in-state residence at the time of signup.

Gambling Problem? Call 1-800-GAMBLER. 21+ only. Must be physically located in MO. T&Cs Apply. In app only.

Gambling Problem? Call 1-800-GAMBLER. See BetMGM.com for Terms. 21+ only. MO Only. New Customer Offer (If applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. Please gamble responsibly. Minimum $10 deposit required. Bonus bets expire in 7 days. 

How the promos actually work

Pre-launch promotions are nearly always structured in the same way: you pre-register (usually since a certain date), verify identity and Missouri residence, deposit a qualifying amount (usually $10), and then when betting opens, place a small qualifying bet (usually $5-10). The sportsbook then credits bonus bets or site credits that usually:

• have a short shelf life (usually 7-30 days),
• are settled as non-withdrawable bonus bets (stake not refunded on winning), and
• are restricted to one per customer and redeemable only in the state.

Things to check before you sign up

• Geo-location & age — You should be physically present in Missouri and be at least 21 years old. The majority of offers clearly stipulate that one must be present in the state during registration. 
• Promo expiry and use terms — Bonus bets have short expiry dates; check the expiration and wagering terms. 
• Withdrawal conditions - Bonus bets are not typically withdrawable; only winnings can be withdrawn under conditions. 
• Promo codes & dates — Certain offers may need a specific code for them to be activated. Better still, you might be required to sign-up within a certain timeframe (such as pre-register between specific dates in Nov). to get credits on launch day

Responsible gambling & player protections

The rules in Missouri mandate operators to offer responsible-gaming resources. That said, the helpline cited in most operator material is 1-800-GAMBLER. Many sportsbooks are highlighting features like self-exclusion, deposit limits, and reality checks as part of their launch disclosures. These tools are recommended to use before opening an account in case you have a history of problem gambling.

Quick tips for getting the best value

• Look at the overall package (instant credits + bonus bets), not only headline numbers.
• Monitor promo expiry dates - high bonus values are useless when they run out before you can redeem them.
• Monitor liability and playthrough requirements; certain credits may demand that you bet or hit specific odds.

Final Thoughts

On December 1, 2025, Missourians can legally place bets online; a rush among operators means big opening deals. Savvy bettors players  should sign up early to grab bonuses - just don’t skip the fine print (you’ll need to be in-state and 21+). Tools for safer play are there if you want them, so take advantage when it makes sense. Look past flashy claims, check actual benefits, then choose the offer that suits your bankroll and betting style.