What are Progressive Jackpot Slots?


What are Progressive Jackpot Slots?


The allure of winning a huge sum from a small stake has captivated gamblers for generations – witness the immense popularity of the National Lottery and the Football Pools before that. Fully attuned to what makes punters tick, slot game designers sought to provide a product offering a life-changing prize for an outlay of relative pennies. Enter the Progressive Jackpot Slot.

Progressive Jackpot Slot Definition

A progressive jackpot slot is simply a slot which offers a top prize that, rather than being a set amount, continues to grow over time – often to truly eye-watering levels.

How Do Progressive Jackpots Work?

The major appeal of a Progressive Jackpot Slot is the huge prize on offer – regularly running into the millions or tens of millions on the most popular titles. But how do these prizes reach such astronomical sums?

The answer is surprisingly simple. Every time a player clicks spin on a Progressive Jackpot Slot, a small percentage of their stake (usually 2.3%-3%) contributes to the Progressive Jackpot Prize pool. Only a small percentage, but millions of players making millions of spins leads to a rapidly escalating jackpot.

With Progressive Jackpots, the top prize grows until one lucky player triggers a jackpot-winning spin. Some Progressive Jackpots are capped at a specific amount, but most can grow to a theoretically unlimited level.

When a Progressive Jackpot is won, the whole process starts again. Rather than resetting to zero (a £0 Jackpot isn't very appealing, after all), the new Jackpot begins at a set amount guaranteed by the games provider. This starting value is known as the seed value.

How are Progressive Jackpots Won?

If all of the above has whet your appetite to give a progressive Jackpot a spin, you will be happy to learn that zero skill is required to land the star prize. Much like all other slot types, the result of any given spin on a Progressive Jackpot Slot is random – and is required to be so under the terms and conditions of licences issued by bodies such as the UK Gambling Commission.

When you press spin on a slot game, your senses are assailed by the whir of the reels, as a series of bells, fruits, playing card values and, increasingly, fishermen spin into view. However, under the bonnet, each spin activates a Random Number Generator, which, as the name implies, randomly produces a number.

Each number links to a specific sequence of symbols on the reels – some will produce a small payout, others will trigger a bonus round, and others will display a losing spin. And then, lying somewhere in the vast swathe of numbers within the Random Number Generator is the Holy Grail that is the jackpot-triggering number. Your chances of selecting it are slim (usually around 50million to 1 for an online Progressive Jackpot Slot), but they are as good as anyone else – and only marginally less than winning the UK lottery, which is around a 45million to 1 shot.

Having triggered the Jackpot, the astronomical sum will generally hurtle towards your balance in one of three ways:

  • Random Drop - In this scenario, any combination of symbols may spin into view, but they will be accompanied by explosions, spinning $ signs, or some other fanfare as the game announces that you have suddenly become rather rich
  • Symbol Combinations - This can be more exciting, as the game rules will usually list the exact symbol combination you need to land the jackpot, meaning you know what to look for, e.g. five golden prize pots on payline number 7
  • Bonus Game - Other Progressive Jackpots are reached via a game's bonus round, e.g. a Free Spins Round, Hold and Spins Feature etc.

Types of Progressive Jackpot Slots

The multimillion prizes understandably grab all the headlines, but Progressive Jackpots come in all shapes and sizes, with the following amongst the most common varieties:

  • Single Game - This Progressive Jackpot builds from stakes placed on one specific game – Ozwin’s Jackpots being a popular example
  • Network - In the case of a Network Jackpot (also known as a Linked Jackpot), the Progressive Jackpot feature is attached to up to 30 different slot titles. Stakes placed on any of these titles contribute to the same Jackpot fund, which may be won by a player on any of the games in the Network. Mega Moolah and WowPot! are two leading examples of the Network system
  • Tiered - Tiered Jackpots offer a selection of Jackpot prizes – ranging from prizes in the hundreds of pounds, which pay out regularly, to much larger star sums, which may only trigger once every few weeks or months on average
  • Must Drop - This hugely popular variety states that a Jackpot "must be won" by a designated date and time. Often coming with an accompanying countdown meter, these games benefit from a stampede of traffic as the Jackpot hour approaches

Progressive Jackpots vs Fixed Jackpots?

Unlike Progressive Jackpots, Fixed Jackpots are not funded by a percentage stake allocation. As such, they do not grow - instead remaining fixed at the specified amount. Fixed Jackpot games tend to pay out more regularly than progressive titles, but the prizes are considerably smaller.

Biggest Progressive Jackpot Wins

50million to 1 may not represent the most appealing odds, but Progressive Jackpots are won with regularity – as evidenced by these slots heroes, who spun their way to a fortune:

  • 2018 - A player who chose to remain anonymous bagged the £22.3M Mega Moolah Jackpot from a 0.75 cents spin
  • 2015 - Cheshire’s own John Heywood hauls in the £21.1M Mega Moolah top prize following a 25-minute session at 0.33 cents per spin
  • 2003 - An anonymous player in Finland adds £20.5M to his account courtesy of the MegaBucks Jackpot

Where to Find Progressive Jackpot Games

As one of the most popular slot types in the industry, most online casinos will group such games in a dedicated area. Head to the casino lobby and look for the “Jackpots” or “Progressive Jackpots” tab. Games in Network Jackpot series often feature an overlay of the respective jackpot logo, e.g. Mega Moolah, MegaBucks, WowPot! – usually accompanied by a prize meter, allowing you to watch the Jackpot grow ever larger by the second.


Related Articles:

What Does RTP Mean in Casino Games?

Casino Wagering Requirements Explained

Top 20 Betting Offers

Midnite
Midnite
Bet £5 Get £30 in Free Bets Claim Offer

18+ New customers only. Place a £5+ bet at minimum odds of 1/1 (2.0) within 14 days of sign-up. Get £25 in Free Sports Bets + 50 Free Spins (valued at £0.10 each), valid for 7 days on selected bets and games. Free stake not returned with winnings. T&Cs apply. BeGambleAware.org

talkSPORTBET
talkSPORTBET
Get up to £40 Football Free Bets Claim Offer

18+ New customers only. Opt in and bet up to £40 (min. £20) via mobile or app on any football (odds 1/1+) within 7 days of registration. Get up to £40 in free bets on selected markets, which expire in 7 days. T&Cs apply, see below. GambleAware.org | Please gamble responsibly

Tote
Tote
Bet £10 Get £50 in Bonuses Claim Offer

New customers online only. Valid with code B10G50 on registration. Bet min £/€10 at odds of 1/1 (2.0) or greater across sports or racing (if EW then min £/€10 Win + £/€10 Place) within 7 days of registration. Receive £/€20 Tote Credit, £/€10 Sports Bet, 2 x £/€5 Sports Acca and 50 Free Spins. 7-day expiry. Qualifying bet is the first racing pool or sports bet added to the bet-slip. 18+. Full T&Cs apply. Gambleaware.org.

BetMGM
BetMGM
Bet £10, Get £40 in Free Bets Claim Offer

New customers only. 7 days to place qualifying bet of £10 at 1/1 (2.0) to receive 4 x £10 Free Bets: 1 x £10 football, 1 x £10 horse racing & 2 x £10 Bet Builders. Free Bets cannot be used on e-sports and non UK/IE horse racing. 7 day expiry. Exclusions apply. Stake not returned. 18+. T&Cs apply.

Bresbet
Bresbet
Bet £10 Get a £10 Free Bet Claim Offer

T&Cs apply. 18+ New customers only. You must place a single win-only bet of £10 or more with odds of evens (2.00) or greater to qualify. Money back as £10 in free bets. Free bet is credited the day after the qualifying bet has settled. Must use code B10G10 when creating an account.

easyBet
easyBet
Bet £20 and Get £20 Claim Offer

New Customers Only. Sign up with bonus code: EB20. Bet £20 and get £20 in Free Bets. Paid as £5 Free Bet on Soccer, £5 Free Bet on Horse Racing, £5 Free Bet on Multiples and a £5 Free Bet on any Market. Terms apply 18+ gambleaware.org.

MatchBook
MatchBook
Bet £20 get £30 in Free Bets Claim Offer

New Players Only. Sign Up with Bonus Code: NEW30. Bet and Settle 1x£10 Bet on Matchbook Exchange at odds of 2.0 or more. Bet and Settle 1x£10 Bet on a Bet Builder or Multiple at odds of 3.0 or more, with min 3 selections. Within 72 hours of Qualifying Bets settling user will receive 1x £10 Exchange Free Bet, 1x £10 Multiples Free Bet, and 1x £10 Bet Builder Free Bet. Users making their first deposit by Skrill, Neteller or PaySafe card will not qualify for this promotion. 18+ Only. T’s and C’s Apply. Be Gamble Aware.

Bet442
Bet442
Bet £20, Get £20 in Free Bets Claim Offer

18+. New customers only. Deposit and place first bet of £20 or more at min odds Evens (2.0). Get £20 in Free Bets credited as x1 £10 Free Bet and x2 £5 Bet Builder Free BetsT&Cs Apply. Please gamble responsibly.

BetWright
BetWright
Bet £10, Get a £10 Free Bet Claim Offer

New Customers use code EPL10. Deposit £10 and place a bet of £10 on any Premier League Outrights 2025/26 market at minimum odds of 2.0. Free Bet credited within 24 hours and must be wagered on English Premier League markets only. Full Terms apply. Bangers N'Cash rewards are a separate promotional scheme and must be opted into during the weekly promotional period via the BetWright Rewards Section. 18+ begambleaware.

Betway
Betway
£30 Free Bet Claim Offer

*New UK customers only. Min Stake: £5. Maximum Free Bet: £30. First bet on a Football, Horse Racing, Tennis, Cricket or Basketball multiple with 3+ selections. Overall odds: 3.00 (2/1) or higher. Free Bets available upon settlement of the qualifying bet. Earn a £30 Uber Eats Voucher on successful Acca qualification. Debit Card deposit only (exclusions apply). This offer is valid 7 days from the new account being registered. 18+ GambleAware.org. Bet the Responsible Way. Full Terms apply

Spreadex
Spreadex
Bet £10 Get £60 in Free Bets Claim Offer

Place a £10 fixed odds bet at minimum odds of 1/2 and get 3 x £10 free fixed odds bets, 3 x £5 Total Goals football spread bets and 3 x £5 Winning Favourites spread bets and a £1 racing Race Index spread bet.18+ www.gambleaware.org.

Betfred
Betfred
Bet £10 and get £50 in Free Bets Claim Offer

New customers only. Register, deposit with Debit Card, and place first bet £10+ at Evens (2.0)+ on Sports within 7 days to get 3 x £10 in Sports Free Bets & 2 x £10 in Acca Free Bets within 10 hours of settlement. 7-day expiry. Eligibility exclusions & T&Cs Apply.

Coral
Coral
Bet £10 Get £40 in Free Bets Claim Offer

18+ New Customers only. Certain deposit methods & bet types excl. 1st Deposit & Bet £/€10+ at min odds 1/2 on Sports within 14 days of account reg & Get 4x £10 Free Bets (selected sportsbook markets only, valid 7 days) Max 1 Free Bet per player. Restrictions + T&Cs apply.

BetZone
BetZone
Bet £10 Get £20 in Free Bets Claim Offer

18+ | New Customers Only | Promo Code: WELCOME10 | Place a single £10 bet within 3 calendar days of registration. Bet must settle on the same day of placement | Min odds Evens (2.00) | Get 2 x £5 UK/Irish Horse Racing Free Bets + 2 x £5 Football Free Bets | Free Bets valid for 7 days | Max win £250 | T&Cs apply | GB residents only | Gamble responsibly

William Hill
William Hill
Bet £10, Get £40 in Free Bets Claim Offer

18+. Play Safe. Online only. For new UK register customers using promo code G40. Deposit & place £10 cash single bet (min odds 1/2) on sportsbook (excl. Virtuals). Get £40 in Free Bets (4x£10), valid for sportsbook (excl. Virtuals), 7 days expiry, must use in full (£10 each). Not valid with deposits via PayPal, Neosurf, Paysafe, Apple Pay, NETELLER, Skrill, ecoPayz, Kalibra/Postpay or WH PLUS Card. One per customer. Full T&Cs apply. www.gambleaware.org #ad

10bet
10bet
100% Welcome Bonus up to £50 Claim Offer

New bettors; Code SPORT; Wager deposit & bonus 8x; Max qualifying bet stake=initial bonus; Valid 60 days; Min odds, payment method exclusions apply; New customers only. T&C apply; 18+ Please gamble responsibly.

32Red
32Red
150% Casino Bonus up to £150! Claim Offer

18+. BeGambleAware.org. New customers only. Min. £10 deposit, debit card only. Up to 50x wagering, game contributions vary, max. stake applies, 7 day expiry. See full terms. #AD

SportingIndex
SportingIndex
Bet £10 Get £20 Claim Offer

New customers place a £10 fixed odds bet at minimum odds of 1/2. Get 2 x £10 free bets. 18+ begambleaware

BetMaze
BetMaze
Bet £20 Get £20 Free Bet Claim Offer

18+ New customers only. Min deposit £20. Min Wager £20 at min odds 1/1 (2.0). Max free bet £20. T&Cs apply begambleaware.

PUB Sports
PUB Sports
Bet £10, Get a £10 Free Bet Claim Offer

New Customer only. £10 in real money. Bets placed on sports at odds of 2.00 or more to qualify. Bets must be placed 24 hours within registration. £10 free bets must be wagered on sports. Full terms apply. Gambling can be addictive, play responsibly. 18+