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Big Bass Bonanza is the first game in the Big Bass series. It came out in December 2020, with a 96.71% RTP, high volatility and a max win of 2,100x. In free spins, a fisherman wild collects every money symbol on screen.
| At a glance | |
|---|---|
| Released | Dec 2020 |
| RTP | 96.71% |
| Max win | 2,100x |
| Volatility | High |
| Type | Classic |
| UK max bet | £5 a spin (£2 if you are 18 to 24) |
Big Bass Bonanza has an RTP of 96.71% and a max win of 2,100x your stake.
It is the first game in the series and the simplest one to play.
| Slot | Released | Volatility | RTP | Max win |
|---|---|---|---|---|
| Big Bass Bonanza | Dec 2020 | High | 96.71% | 2,100x |
| Bigger Bass Bonanza | Sep 2021 | Very High | 96.71% | 4,000x |
| Christmas Big Bass Bonanza | Dec 2021 | 96.71% | 2,100x | |
| Big Bass Splash | Jun 2022 | Very High | 96.71% | 5,000x |
| Bigger Bass Blizzard: Christmas Catch | Nov 2022 | High | 96.08% | 4,000x |
| Big Bass Hold & Spinner | Jan 2023 | Very High | 96.07% | 10,000x |
| Big Bass Christmas Bash | Nov 2023 | High | 96.71% | 5,000x |
| Big Bass Bonanza 1000 | Mar 2024 | Very High | 96.51% | 20,000x |
| Big Bass Xmas Xtreme | Nov 2024 | High (5/5) | 96.07% | 10,000x |
| Big Bass Christmas Frozen Lake | Nov 2025 | High (5/5) | 96.07% | 5,000x |
| Big Bass Football Bonanza | May 2026 | Very High | 96.50% | 5,000x |
Best Big Bass Slots 2026 · See every game in our Big Bass Slots Guide
The best place to start if you are new to Big Bass. Pick a later game if you want a bigger top prize.
These UK-licensed sites carry Pragmatic Play games. Game lists change, so check the site has Big Bass Bonanza before you sign up. Offers are for new players. 18+. T&Cs apply.
Stake £20 & Get 150 Free Spins
Good to know: Opt in when you sign up and stake £20 to unlock the spins. You get 50 a day for 3 days. The offer lasts 7 days from sign-up.
18+. New UK customers. Opt in. Deposit and stake £20. Debit card only. No wagering on spin winnings. 7 day offer. Spins expire after 7 days. BeGambleAware.org. Full T&Cs
100% deposit match up to £100 + 100 free spins on Big Bass Bonanza
Good to know: Deposit £20 by debit card within 7 days of signing up. The bonus has 10x wagering and lasts 30 days. Spin winnings have no wagering.
New customers only, 18+. Opt in when you sign up and deposit £20 or more by debit card within 7 days. Get a 100% match bonus up to £100 with 10x wagering, valid for 30 days. Stake £20 on slots to get 100 free spins on Big Bass Bonanza at 20p each. Free spin winnings have no wagering. Full T&Cs apply. BeGambleAware.org Full T&Cs
Good to know: Pick the offer when you sign up and stake £20 within 7 days to unlock the spins. You get 50 a day for 3 days. Use each batch within 7 days.
18+. New UK customers. Select the offer. Deposit and stake £20 within 7 days. Debit card only. No wagering on spin winnings. Spins expire after 7 days. BeGambleAware.org. Full T&Cs
Good to know: Bet at least £20. No wagering on spin winnings. Use the spins within 7 days.
18+. New UK customers. Bet £20 on eligible slots within 14 days of sign-up. No wagering. 7 day expiry. BeGambleAware.org. Full T&Cs
Good to know: Stake £20 to unlock the spins. You get 50 a day for 3 days. Use them within 7 days.
18+. New UK customers. Select offer at sign-up. Deposit and stake £20 within 7 days. Debit card only. No wagering on spin winnings. Spins expire after 7 days. BeGambleAware.org. Full T&Cs
150 Free Spins on Big Bass Games
Good to know: Deposit and spend £10 on eligible Big Bass games to unlock them.
18+. New casino customers. Code CASP10. Deposit and spend £10. 150 spins at 10p on selected Big Bass games. Spins expire after 7 days. E-wallets except Apple Pay excluded. BeGambleAware.org. Full T&Cs
Good to know: Bet £10 on slots to unlock them. Wins from the spins go up to £100.
18+. New players. Opt in and wager £10 on slots. Max win £100. Spins expire in 7 days. BeGambleAware.org. Full T&Cs
Good to know: Deposit and wager £20 to unlock the spins. Use them within 7 days.
18+. New UK customers. Deposit and wager £20 within 7 days. No wagering on spins. 7 day expiry. BeGambleAware.org. Full T&Cs
Good to know: Spend £10 to get the other 200. Use your spins within 7 days.
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Good to know: Stake £30 on slots to unlock the spins. Wins from the spins have 10x wagering. Use your spins within 48 hours.
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Good to know: Deposit at least £10. Wager the bonus 10 times within 5 days. Wins go up to £100.
18+. New UK customers. Min deposit £10. 10x wagering within 5 days. Max win £100. BeGambleAware.org. Full T&Cs
Good to know: Deposit at least £10. No wagering on spin wins. Use your spins within 7 days.
18+. New UK customers. Min deposit £10. No wagering on spin winnings. Spins expire in 7 days. BeGambleAware.org. Full T&Cs
Good to know: Deposit £10 to unlock the spins. Use them within 48 hours.
18+. New UK customers. Min deposit £10. No wagering. Spins expire in 48 hours. BeGambleAware.org. Full T&Cs
Good to know: Deposit at least £20. Wager the bonus 10 times. Use it within 7 days.
18+. New UK customers. Min deposit £20. 10x wagering on the bonus. Bonus valid for 7 days. BeGambleAware.org. Full T&Cs
Stake £20 & Get 150 Free Spins
Good to know: Opt in when you sign up and stake £20 to unlock the spins. You get 50 a day for 3 days. The offer lasts 7 days from sign-up.
18+. New UK customers. Opt in. Deposit and stake £20. Debit card only. No wagering on spin winnings. 7 day offer. Spins expire after 7 days. BeGambleAware.org. Full T&Cs
Good to know: 60 free spins with no deposit. Bet £10 for 200 more. Use your spins within 7 days.
18+. New UK customers. Code PGCDE1. Deposit and bet £10 for 200 more spins. No wagering. 7 day expiry. BeGambleAware.org. Full T&Cs
100% deposit match up to £100 + 100 free spins on Big Bass Bonanza
Good to know: Deposit £20 by debit card within 7 days of signing up. The bonus has 10x wagering and lasts 30 days. Spin winnings have no wagering.
New customers only, 18+. Opt in when you sign up and deposit £20 or more by debit card within 7 days. Get a 100% match bonus up to £100 with 10x wagering, valid for 30 days. Stake £20 on slots to get 100 free spins on Big Bass Bonanza at 20p each. Free spin winnings have no wagering. Full T&Cs apply. BeGambleAware.org Full T&Cs
Good to know: Use code WHV200. Spin wins have 10x wagering and go up to £30. Use your spins within 72 hours.
18+. New UK customers. Code WHV200. Min deposit £10. 10x wagering. Max win £30. Spins expire in 72 hours. BeGambleAware.org. Full T&Cs
Good to know: Pick the offer when you sign up and stake £20 within 7 days to unlock the spins. You get 50 a day for 3 days. Use each batch within 7 days.
18+. New UK customers. Select the offer. Deposit and stake £20 within 7 days. Debit card only. No wagering on spin winnings. Spins expire after 7 days. BeGambleAware.org. Full T&Cs
18+ New customers only. Bonus terms and contribution rates vary by operator. Always check full terms before claiming. BeGambleAware.org | GamCare.org.uk | GamStop.co.uk