| Winner |
Game |
Win |
Date |
Online Casino |
Software |
| G M |
Book of Atem WOWPOT |
£15,183,114.26 |
Apr 14 2021 |
32Red Casino |
Microgaming |
| I K |
All Aces |
£13,726,142.84 |
Oct 10 2019 |
Roxy Palace |
Microgaming |
| Jon Heywood from Cheshire |
Mega Moolah |
£13,213,838.68 |
Oct 06 2015 |
Betway Casino |
Microgaming |
| I K |
All Aces |
£7,642,529.05 |
Oct 01 2019 |
Roxy Palace |
Microgaming |
| Woman from Cheshire |
Mega Fortune |
€7,437,182.00 |
Dec 15 2016 |
bgo Casino |
NetEnt |
| C V |
Win Sum Dim Sum |
£6,172,463.87 |
Jul 02 2019 |
Roxy Palace |
Microgaming |
| John Orchard from Long Sutton |
Mega Moolah |
£5,883,044.43 |
Dec 11 2012 |
Butlers Bingo |
Microgaming |
| Chokri C |
Hall of Gods |
£5,648,510.00 |
Apr 28 2015 |
Betsson Casino |
NetEnt |
| Player |
Beach Life |
£5,162,428.00 |
Feb 12 2012 |
Betfred Casino |
Playtech |
| Mr. L. using iPhone 4s |
Mega Moolah |
£3,746,429.03 |
Sep 06 2013 |
Spin Palace |
Microgaming |
| Mandz43 |
The Goonies JPK |
£3,616,246.58 |
Feb 06 2026 |
EUCasino |
Ash Gaming |
| Susan |
Mega Fortune Dreams |
€3,039,972.00 |
Aug 17 2017 |
Casumo |
NetEnt |
| D R |
Cashapillar |
£3,020,114.48 |
Nov 01 2019 |
Roxy Palace |
Microgaming |
| 36 y. o. Winner from London |
Mega Fortune Dreams |
£2,906,306.34 |
May 07 2016 |
Leo Vegas |
NetEnt |
| Casumo Player |
Mega Fortune |
€2,697,103.99 |
Jan 17 2016 |
Casumo |
NetEnt |
| I K |
All Aces |
£2,682,345.42 |
Nov 01 2019 |
Roxy Palace |
Microgaming |
| David Robson from Newcastle |
Millionaires Club |
£2,642,668.61 |
Jun 13 2011 |
Sky Vegas |
Cryptologic |
| Unknown |
Mega Moolah Isis |
£2,600,000.00 |
Jul 17 2012 |
Ladbrokes Casino |
Microgaming |
| 37 year old civil servant from Newcastle |
Millionaires Club III |
£2,600,000.00 |
Jun 19 2011 |
InterCasino |
Cryptologic |
| Anon |
Festival of Lights |
£2,558,404.62 |
Feb 14 2016 |
William Hill Vegas |
Ash Gaming |
| AGNCHILE |
King Kong Cash JPK |
£2,440,477.41 |
Feb 01 2026 |
EUCasino |
Ash Gaming |
| Norm |
Millionaire Genie |
£2,399,663.00 |
Oct 08 2013 |
888 Casino |
Cassava |
| A lucky winner |
Gladiator Jackpot |
€2,374,847.22 |
Oct 22 2013 |
Winner Casino |
Playtech |
| D R |
Thunderstruck II |
£2,307,240.18 |
Nov 01 2019 |
Roxy Palace |
Microgaming |
| Wendy J |
Irish Luck |
$2,064,000.00 |
Feb 02 2010 |
21Nova Casino |
Playtech |
| Susan C |
The Lord of the Rings |
£1,965,956.00 |
Dec 28 2011 |
Platinum Play |
Microgaming |
| Mathew G. |
Deal or No Deal 20p |
£1,963,088.00 |
Aug 28 2010 |
JackpotJoy |
GameSys |
| Semm291977 |
Age Of The Gods King of Olympus |
£1,927,282.00 |
Feb 20 2026 |
EUCasino |
Playtech |
| Eva 52 y. o. |
Arabian Nights |
€1,909,428.00 |
Nov 24 2011 |
Mr Green |
NetEnt |
| Adrian C from Maldon |
Lucky Little Gods |
$1,905,734.51 |
Jun 02 2018 |
Betway Casino |
Microgaming |