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Twenty One Welcome Bonus Code

121% up to £300

Max Bonus 300
Min Deposit 10
Max Bet 5
Type Cashable
Wagering 35xb
Deposit Method Restrictions: Neteller, Skrill
Country/Regional Restrictions: Only available to players from the United Kingdom. Other bonuses available in other jurisdictions.

Twenty One

Casino Rating: 6.8/10
OFFICIAL ADR
DEPOSIT GUARANTEE

Terms and Conditions

The Twenty One Welcome bonus currently consists of a bonus of 121% up to £300.

The minimum deposit that will trigger the bonus is £10.

This bonus has a wagering requirement of 35xbonus for the deposit bonus.

The bonus is structured so that only wagering with bonus funds, which are stacked beneath the deposited funds, counts towards the wagering requirement. This also means that bonus restrictions, do not apply while you are wagering with your deposited funds. In other words as long as you are only using deposited funds you can withdraw at any time you like. (The standard bonus structure where all funds are locked until wagering requirements have been completed are used for non-UK players.)

The maximum allowed bet is £5 on any single round of play.

There is no maximum win on the deposit bonus.

Bonus funds and associated winnings will expire after 30 days if the wagering requirements are not completed.

The bonus is cashable.

Players depositing via Neteller or Skrill are not eligible for this bonus.

Bonus funds and any associated winnings will expire after 30 days if the wagering requirement has not been completed.

Game Weightings:

  • Slots Games, Scratchcards & Keno 100%
  • Except Blood Suckers, Blood Suckers II, Dead or Alive, Devils Delight, Kings of Chicago, Jackpot 6000, Lucky 8 Line, Super Nudge 6000, Big Bad Wolf, 300 Shields, Secrets of the Stones and Victorious. 20%
  • Table Games 10%
  • Video Poker, Other Games, Progressive Jackpot Games 0%

Available to newly registered players only.

Every effort is made to ensure these terms are accurate and up-to-date, however we accept no responsibility for inaccuracies or errors. It is your responsibility to ensure that you confirm the terms of any promotion you accept with the operators website before you play.

 

 

 

Simulations

Our review will provide a value for Low Rollers, Mid Rollers and High Rollers. Each category will use the same slots game (Thunderstruck) for accurate comparison.

Low Rollers will use the minimum possible bet size (£0.09/spin) and a low deposit value of £30.

Mid Rollers will use an average player bet size (£0.54/spin) and an average deposit value of £50.

High Rollers will use a player bet size (£4.95/spin) and a deposit value of £100.

Super High Rollers will use a player bet size (£4.95/spin) and a deposit value of £248.

 

 

Deposit Bonuses

Due to the structure of the Twenty Once Casino bonus where wagers with deposited funds do not count towards the wagering requirement the bonus has to be assessed in two parts: the pre-bonus wagering and the value of the bonus. Once we have conducted these simulations we work out the value of the bonus as follows:

[Expected Loss from pre-bonus play] -([Value of the bonus]x[Chance of using the bonus]) = [Average Expected Value for the bonus]

Low Roller Bonus

Using a deposit of £30 with a bonus of £36.30, with a wagering requirement of 36.30×35 = £1270.50 and a bet size of £0.09/spin we get the following results:

We now do a quick sum to calculate the overall value of the bonus:

Average Expected Value for the bonus = -£22.88 + (£13.47×0.9562) = -£10.00.

Mid Roller Bonus

Using a deposit of £50 with a bonus of £60.5, with a wagering requirement of 60.50×35 = £2117.50 and a bet size of £0.54/spin we get the following results:

We now do a quick sum to calculate the overall value of the bonus:

Average Expected Value for the bonus = -£18.26 + (£33.42×0.8950) = £11.65

High Roller Bonus

Using a deposit of £100 with a bonus of £121, with a wagering requirement of 121×35 = £4235 and a bet size of £4.95/spin we get the following results:

We now do a quick sum to calculate the overall value of the bonus:

Average Expected Value for the bonus = -£16.48 + (£87.32×0.8871) = £60.98

Super High Roller Bonus

Using a deposit of £248 with a bonus of £300, with a wagering requirement of 300×35 = £10500 and a bet size of £4.95/spin we get the following results:

We now do a quick sum to calculate the overall value of the bonus:

Average Expected Value for the bonus = -£60.61 + (£188.46×0.8817) = £105.56.

The United Kingdom of Great Britain and Northern Ireland sits to the north-west of mainland Europe. The United Kingdom shares a border with The Republic of Ireland and has coasts on the Atlantic Ocean, Celtic Sea, North Sea, Irish Sea and English Channel. The population of the UK is approaching the 67.6 million mark leading to a fairly densely populated land mass. The gambling sector in the United Kingdom is entirely regulated and licensed by the UKGC – the United Kingdom Gambling Commission. Should players resident In the UK wish to gamble with foreign based operators there is no history of this being treated as a criminal offence, but high levels of protection exist for UK residents playing with UK licensed operators.

Disclaimer:

The above information is what we believe to be the the legal status of online gambling, however information on this topic is limited and hard to find. We accept no liability for any errors or ommissions. It is the reader’s responsibility to ensure that they know the legality of online gambling in their country before engaging with any online gambling service.