Betting Sites Wager £20 Get 100 Free Spins At ProperBet
Proper Bet casino 20 100 free spins

Wager £20 Get 100 Free Spins At ProperBet

Join ProperBet Casino and claim 100 free spins on Big Bass Vegas 1000, when you wager £20 on the same slot game.
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Written by Del Pugh Senior Editor & Betting Offers Expert
Updated: 16 Oct 2026
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What is The ProperBet Casino Sign-Up Bonus?

ProperBet is an newly launched online casino owned by Proper Bet Limited.

ProperBet offers a strong casino and sportsbook offering, with plenty of sports markets and a raft of online casino slots and games.

To celebrate the addition of this new casino player, new customers can claim a 100 Free Spins welcome bonus when you stake £20 on slots. Check out more details below!

Welcome Bonus
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Wager £20 Get 100 Free Spins

ProperBet: Wager £20 Get 100 Free Spins

Proper Bet Casino

Claim 100 free spins at ProperBet

To claim the ProperBet welcome bonus, players need to register and follow the instructions below:

  • Click "Claim" or "Go To Promotion" button to open a ProperBet account
  • Use Promo Code: VEGAS100
  • To qualify, players must make a minimum cash deposit of £20 and wager £20 cash on Big Bass: Vegas 1000
  • Once you have wagered the qualifying amount on the game, receive 100 free spins for Big Bass: Vegas 1000, valued at 0.10p each.

First Deposit only. Min. deposit £20 and wager £20 cash on slots to receive 100 Free Spins on Big Bass Bonanza. Qualifying deposit must be made via the promotion in the deposit drop-down. Max.1 claim per customer. £100 max redemption. Free Spins credited within 7 days and valid for 7 days. Spin value 10p. One bonus or set of Free Spins can be active at a time. 18+.

ProperBet: Wager £20 Get 100 Free Spins T&Cs

Proper Bet – Big Bass Vegas 1000 Welcome Offer

Wager £20 and get 100 x 10p Bonus Spins (value £10) on Big Bass Vegas 1000.

How to qualify

This offer is available to new Proper Bet customers aged 18+ and resident in Great Britain.

Register a new Proper Bet account using promo code Vegas100 and wager a total of £20 in cash on Big Bass Vegas 1000 within the first day of registration.

Once you have completed £20 of qualifying wagering, you will receive 100 Bonus Spins at 10p per spin on Big Bass Vegas 1000.

Only real-money cash wagers on Big Bass Vegas 1000 count towards the £20 qualifying requirement. Bonus funds, Bonus Spins, void wagers and refunded stakes do not qualify.

Your 100 Bonus Spins

The Bonus Spins can only be used on Big Bass Vegas 1000.

Bonus Spins must be used within 7 days of being credited. Any unused Bonus Spins will expire after this time.

Bonus Spins have no cash value and cannot be exchanged, transferred or withdrawn.

Bonus Spin winnings

Any winnings generated from your 100 Bonus Spins will be credited to your account as bonus funds.

Your Bonus Spin winnings are subject to a 10x wagering requirement.

For example:

• Win £5 from your Bonus Spins → wager £50
• Win £10 from your Bonus Spins → wager £100
• Win £20 from your Bonus Spins → wager £200

The wagering requirement applies to the amount won from your Bonus Spins, not the £10 total value of the 100 Bonus Spins.

Completing your wagering

The wagering requirement must be completed on Big Bass Vegas 1000. Wagers on other casino games do not contribute towards this promotion.

Wagers on Big Bass Vegas 1000 contribute 100% towards your wagering requirement.

A maximum stake of £1 per spin applies while wagering bonus funds generated from this offer on Big Bass Vegas 1000.

You have 7 days from the date your Bonus Spin winnings are credited to complete your wagering requirement.

If your bonus balance reaches £0 before the wagering requirement has been completed, the promotion will end and there will be no further wagering requirement.

Once your wagering requirement has been completed, any remaining eligible bonus balance will become withdrawable cash.

Withdrawals

Your ordinary cash balance is separate from this promotion.

Any unrestricted cash funds, which will include any winnings due to you when you have completed the wagering requirements associated with this offer, may be withdrawn in accordance with Proper Bet’s standard withdrawal and verification procedures.

Game information

The version of Big Bass Vegas 1000 used for this promotion has an RTP of 92%.

RTP is a theoretical return calculated over millions of game rounds and does not guarantee the outcome of individual play.

Who can take part?

This promotion is available to:

• Meet the conditions in ‘How to Qualify’ above.
• Have successfully completed any required age & identity verification.

Only one welcome offer per customer is permitted.

Customers who are self-excluded, subject to a cooling-off period or otherwise restricted from gambling with Proper Bet are not eligible to participate.

Promotion abuse

Proper Bet may withhold or remove promotional benefits where there is reasonable evidence of fraud, duplicate accounts, collusion or deliberate abuse of the promotion.

This will not affect legitimate unrestricted cash funds held in your account.

General

Proper Bet’s General Terms and Conditions, Casino Rules and Safer Gambling policies also apply.

Proper Bet may withdraw this promotion for new entrants at any time. This will not affect promotional benefits already validly earned by existing participants.

18+. BeGambleAware.org. Please play responsibly.

FAQ - ProperBet Casino Welcome Bonus

Can I Claim This Offer If I Am Already A Member?

No, this offer is only open to new members and is limited to one person, per household. Any deviation from this, can see associated accounts suspended.

Looking for a new casino? visit our comprehensive casino offers list for more options!

Does Alfobet Have Sister Sites?

No, Proper Bet Casino is owned by Proper Bet Limited and has no other sister sites.

Can I Use E-Wallets With This Promotion?

No, only deposits made with a bank/debit card such as Mastercard, VISA and Maestro are allowed.

How Do I Qualify For The Bonus?

To claim the ProperBet welcome bonus, players need to register and follow the instructions below:

  • Click "Claim" or "Go To Promotion" button to open a ProperBet account
  • Use Promo Code: VEGAS100
  • To qualify, players must make a minimum cash deposit of £20 and wager £20 cash on Big Bass: Vegas 1000
  • Once you have wagered the qualifying amount on the game, receive 100 free spins for Big Bass: Vegas 1000, valued at 0.10p each.

First Deposit only. Min. deposit £20 and wager £20 cash on slots to receive 100 Free Spins on Big Bass Bonanza. Qualifying deposit must be made via the promotion in the deposit drop-down. Max.1 claim per customer. £100 max redemption. Free Spins credited within 7 days and valid for 7 days. Spin value 10p. One bonus or set of Free Spins can be active at a time. 18+.