Double Bubble slot overview
Double Bubble is the Gamesys fruit machine-style slot that became a household name through UK bingo sites. Its Bubble Line gives every spin a second chance to win. First released in 2006, it remains a staple at UK online casinos.
How to play Double Bubble
Double Bubble is played on 5 reels and 3 rows with 20 paylines. Classic fruit symbols fill the reels, and the Double Bubble logo is the wild.
- Choose your stake – up to the UK maximum of £5 per spin (£2 for players aged 18–24).
- Spin the reels and watch for wilds and scatters.
- Trigger the bonus features for the biggest wins.
Double Bubble features and free spins
Bubble Line
Any symbol that lands inside a bubble is copied to a second win line, the Bubble Line. Wins on the Bubble Line are multiplied – up to 22x when all 20 paylines are active.
Bubble bonus
Land 3 or more bonus symbols to trigger a pick-and-win bubble bonus game with multiplier prizes.
Wild
The Double Bubble logo substitutes for all symbols except the bonus symbols.
Double Bubble RTP and volatility
Double Bubble has an RTP of around 96% (casinos can run versions between roughly 95.75% and 96.24%). The maximum win also varies by version, so check the paytable at your casino.
Tips for playing Double Bubble
- Play all 20 paylines to unlock the full 22x Bubble Line multiplier.
- Its fruit machine style makes it easy to pick up.
- There are several spin-offs, including jackpot versions.
Double Bubble pros and cons
Pros
- Bubble Line gives a second chance to win
- Fruit machine nostalgia
- Pick-and-win bonus
Cons
- RTP and max win vary by version
- Simple features compared with modern slots
Double Bubble vs similar slots
| Slot | Developer | RTP | Volatility | Ways to win |
|---|---|---|---|---|
| Double Bubble | Gamesys | 96.02% | Medium | 20 paylines |
| Gonzo's Quest | NetEnt | 95.97% | Medium | 20 paylines |
| Rainbow Riches | Barcrest | 95.00% | Medium | 20 paylines |
| Fishin' Frenzy | Blueprint Gaming | 96.12% | Medium | 10 paylines |
Gonzo's Quest, Rainbow Riches, Fishin' Frenzy are good alternatives if you enjoy Double Bubble.
Double Bubble on mobile and in demo mode
Double Bubble is fully playable on mobile in casino apps and browsers. You can also try it in demo mode at UK-licensed casinos once you have verified your age – a good way to see how often the features trigger before playing for real.
Our verdict on Double Bubble
Double Bubble is a medium volatility slot from Gamesys with a 96.02% default RTP. Its standout strength is bubble Line gives a second chance to win; the main thing to be aware of is that it has rTP and max win vary by version. It suits longer sessions on a sensible budget.
Where to play Double Bubble in the UK
Double Bubble is widely available at leading UK casinos. Check the game lobby at your chosen casino, and compare welcome offers below.
See every offer on our casino bonuses page, or browse more video slots.
Similar slots
Like classic fruit machine-style slots? Try Rainbow Riches, Starburst or Fishin' Frenzy.
Frequently asked questions
What is the RTP of Double Bubble?
The developer's published default RTP is 96.02%. Check the game's help screen, as casinos can run different versions.
Is Double Bubble high volatility?
Double Bubble is medium volatility.
What is the max win on Double Bubble?
The maximum win varies by version – check the game rules at your casino.
Can I play Double Bubble for free?
Yes, in demo mode at UK-licensed casinos once you have verified that you are 18 or over.
Who makes Double Bubble?
Double Bubble was created by Gamesys and launched in 2006.