A progressive jackpot is a prize pot that grows by a small share of every qualifying bet until one player wins it, after which it resets to a starting amount and builds again. In a casino app you can spot one by the live ticker counting upwards on the game tile or above the reels.
Every eligible bet adds a small slice to the pot; the rest of the game’s return is paid as normal wins.
Local progressives grow at one casino; network progressives pool bets from many casinos and grow faster.
After a win the pot resets to a seed value, not to zero.
The chance of winning is tiny and not usually published, and base-game RTP is often lower to fund the pot.
How it grows
A share of each qualifying bet
After a win
Resets to a seed amount
Pools
Local (one casino) or network (many)
Common trigger
Random jackpot wheel or bonus game
Odds published?
Rarely
How a progressive jackpot grows
When the game is set up, the operator or developer funds the pot with a starting amount called the seed. From then on, a fixed share of every qualifying bet is added to it. The rest of each stake is treated like any other slot: it funds the normal wins the game pays out and the house edge. When someone triggers the jackpot, they receive the whole pot, a fresh seed is put in, and growth starts again.
A simple hypothetical shows the effect. If a game sent 2p of every £1 bet to the pot and players across a network staked £500,000 in a day, the pot would grow by £10,000 that day. Real contribution rates vary by game and are rarely published, which is why you can’t work out the odds from the ticker alone.
Local, network and tiered progressive jackpots
Kind
Who feeds it
What it means for you
Example
Standalone
Bets on one game at one casino
Smaller pot, fewer players competing
In-house casino jackpots
Local network
Bets on several games at one operator
Medium pot shared across that brand’s games
Operator-branded jackpot ranges
Wide-area network
Bets on the game at many casinos
Largest pots; very rare wins
Mega Moolah, Mega Fortune
Tiered
One pool split into several prizes
Small tiers drop often, top tier rarely
Age of the Gods, Divine Fortune
Mega Moolah from Games Global and Mega Fortune from NetEnt, released in 2009, are the classic wide-area examples, each with several jackpot levels decided on a bonus wheel. Playtech’s Age of the Gods and Jackpot Giant, and NetEnt’s Divine Fortune, are other well-known progressive titles.
How progressive jackpots are triggered
There are three common routes in:
A random jackpot game. Any spin can trigger a separate screen, often a wheel or a grid of coins, that decides which tier you win.
A symbol combination. Older designs pay the top tier for five of a special symbol on a line, sometimes only at the highest stake.
A bonus game. The jackpot is one of the prizes available inside a feature, so you must reach the feature first.
Some games state that higher stakes increase the chance of triggering the jackpot game. UK stake limits still apply: £5 per spin for players aged 25+ and £2 for those aged 18 to 24, so the trigger chance is bounded by those stakes.
The RTP trade-off on progressive jackpot slots
Because a slice of every bet funds the pot, progressive slots usually pay less back through their normal wins. Mega Moolah’s published RTP is 88.12%, Jackpot Giant’s is 94.22% and Age of the Gods is listed at 95.02% including the jackpot contribution, compared with around 96% for many non-jackpot slots. Whether a published figure includes the jackpot share is stated in the game’s help screen, alongside the RTP version that casino uses. Our RTP range entry explains why the same game can show different figures at different casinos.
In practice, almost every player on a progressive game experiences the lower everyday return, because the top prize lands so rarely. Treat the pot as a long shot inside an entertainment budget rather than a target.
Progressive jackpots on a phone screen
Casino apps usually place progressive games in a Jackpots category, with a ticker on each tile. Inside the game, the ticker for each tier sits above the reels in portrait or along the top edge in landscape. The values update as bets come in, so a network jackpot can rise noticeably during a session. Live tickers use a small amount of data; slots overall are light on mobile data compared with live dealer games.
A large pot doesn’t mean a win is near. With a network jackpot, thousands of players across many casinos may be contributing, and each spin has the same small chance as the last. The must-drop jackpot works differently, because it does have a deadline.
Related terms for progressive jackpots
Jackpot: the overview of fixed, progressive and must-drop prizes.
House edge: what the casino keeps over time, including jackpot contributions.
Volatility: progressive slots sit at the high end because so much value is in one rare prize.
Where to find progressive jackpot slots
PlayOJO gives new UK customers (not Northern Ireland) 80 spins of 10p on Big Bass Bonanza with a first deposit of £10+, and Coral gives 100 spins of 10p on selected slots after a £10 slots bet. Welcome spins are not on progressive jackpot games. Both are 18+ only, spin winnings carry no wagering, and full terms apply.
PlayOJO’s app includes a jackpot slots category, and Coral runs a dedicated casino app. Both welcome offers give 10p spins with no wagering on winnings after a qualifying deposit or stake. 18+, terms apply.
Significant terms: 18+. New UK customers (excluding Northern Ireland). First deposit only. Minimum deposit £10. 80 free spins on Big Bass Bonanza, £0.10 each. No wagering requirements; winnings paid in cash. Cannot be used with any other offer. Only available to players who arrive through the designated offer link. Full T&Cs apply. GamCare.org.uk
Read the PlayOJO reviewLicence: Skill On Net Limited, UKGC account 39326. Offer checked 5 October 2026.
Significant terms: 18+. New players only. Offer runs 01/10/2026 to 01/02/2027. Deposit (certain types excluded) and bet £10+ on slot games to get 100 free spins (selected games, £0.10 each, 48 hrs to accept, valid 7 days). No wagering on free spin winnings. Deposits by Neteller, PayPal, Paysafe, Skrill, prepaid cards and certain debit cards do not qualify. Restrictions and T&Cs apply. GamCare.org.uk
Read the Coral reviewLicence: LC International Limited, UKGC account 54743. Offer checked 5 October 2026.
18+. Gambling should be entertainment that costs money, not a way to make it. Set a deposit limit before you play: how to set limits. Free, confidential help: National Gambling Helpline 0808 8020 133.
Frequently asked questions
How does a progressive jackpot work?
A progressive jackpot grows by taking a small share of every qualifying bet placed on the game, across one casino or many. When a player triggers it, usually through a random jackpot wheel or bonus game, they win the whole pot. It then resets to a seed amount and starts growing again. The share per bet and the odds of winning are rarely published. Our jackpot slots apps page explains how to find these games in a phone app.
What is the difference between a local and a network progressive jackpot?
A local progressive is fed only by bets on one game, or a group of games, at a single casino, so it grows slowly and stays smaller. A network progressive collects bets on the same game at many different casinos, which builds much bigger pots but also means far more players are competing for one prize. Mega Moolah and Mega Fortune are network examples. Our Mega Moolah app page explains how its jackpot wheel decides the tier.
Is a progressive jackpot more likely to pay when it’s big?
No. Standard progressive jackpots have no deadline, and each spin carries the same tiny chance whatever the current pot size. A large ticker only shows that nobody has won for a while. That is different from a must-drop jackpot, which has to pay out before a time or value limit. Believing a pot is “due” is a common reason to stake more than planned. Our must-drop jackpot entry explains how deadline jackpots compare.
Why is the RTP of progressive slots lower?
Part of each stake is set aside to grow the jackpot, so the game pays out less through ordinary wins. Mega Moolah, for example, publishes an RTP of 88.12%, well below the roughly 96% of many non-jackpot slots. The help screen shows whether the figure includes the jackpot contribution. Most players never land the top prize, so they experience the lower everyday return. Our best payout casino apps page explains how RTP affects what a session costs on average.
Does a bigger stake improve my chance of a progressive jackpot?
In some games it does, and the rules will say so. Many modern progressives trigger the jackpot game at random with a probability linked to stake, so a £2 spin has a higher chance than a 20p spin, though both remain very small. Older games sometimes awarded the top prize only at maximum stake. In the UK, slot stakes are capped at £5 a spin for players aged 25+ and £2 for 18 to 24-year-olds. Our stake limit entry covers those rules.
Can I play progressive jackpot slots in demo mode?
Some casinos offer demo versions, but UK rules mean you must complete age verification before playing any free-to-play game, and many progressive titles aren’t available in demo at all because the jackpot depends on real bets. Where demos exist, the jackpot is usually shown as a dummy figure. Demo play can help you learn the layout on a phone screen without spending. Our casino app demo mode needs verification page explains the age check.
How do I know a progressive jackpot is genuine?
Play only at casinos licensed by the UK Gambling Commission, whose games are independently tested. Network jackpots are run by the game developer, and winners are paid by the casino where they played. You can confirm a casino’s licence on the Gambling Commission’s public register using the account number in the app’s footer or about page. Our guide on how to check a casino licence shows each step on a phone.
Gambling can be addictive. Free, confidential help is available 24 hours a day from the National Gambling Helpline on 0808 8020 133. Get support from GamCare or NHS gambling support, or block yourself from all UK-licensed gambling sites with GAMSTOP.
This site contains adverts. We may earn commission when you sign up through our links. Advertiser disclosure.
We use no tracking cookies. We store one item in your browser to remember this notice. Casino sites may set their own cookies after you follow an advert link. Cookie policy
