Big Bass Bonanza

  • Min stake: 10p
  • Max stake: £50
  • Max payout: £250,000
  • Jackpot: No
  • Paylines: 10
  • Special features: Wilds, Scatters, Fish Moneys, Free Games, Dynamite Feature.
  • RTP: 96.71%

It’s time to go fishing with this epic angler’s adventure! Cast off into the crystal-clear waters of Big Bass Bonanza with this exciting online casino slot! These waters are teeming with winning potential and features to help you fish ‘em out.

Wilds and Scatters are all there to play for, with three or more Scatters landing anywhere on the reels triggering the Free Games feature. This can dish out stacks of free spins, plus some juicy jackpot slots multipliers!

And who doesn’t like the idea of hitting the online casino slots reels with a bang? The Dynamite Feature will also blast away low-value symbols to reveal some more favourable winning combos.

Sounds good, right? Play Big Bas Bonanza online and see if you can net the catch of the day.

Check out our other online casino slots and games, including Grosvenor Originals and action-packed Megaways games.

Bonus features


Pays for himself. Appears on all reels (only during free game). Substitute for all symbols except SCATTER.



Does not pay for himself. Appears on any reels during base game. 3 Scatters give 10 FS, 4 scatters – 15, 5 – 20.


Fish Moneys

Play Big Bass Bonanza, there a money symbol awaits – the Fish. Each fish on the screen can offer some money award.

Players get awards only if a fisherman appears on screen. If a few fishermen are on screen – each will collect fishes. For example – if we have 5 fishes with a total prize of 100 and 2 fishermen – the win will be 100 + 100 = 200.


Free Games

Free game starts if 3 or more scatters appear on screen. During the free game we have 4 stages.

Stages are controlled by the total count of fishermen during FG. Each 4 fishermen increase the stage (raising the level happens only at last free spin of current level – if we have enough fishermen). To control the total count of fishermen and levels – we use 2 accumulations. The difference between levels is fishermen multiplied by fish money value. 1x for level 1, 2x – for level 2, 3x for level 3 and 10x for level 4. On each level up we get +10FS.


Dynamite feature

Another part of the online slots bonus is to only spin a single fisherman in view with no fish. The fisherman then throws a stick of dynamite, and some symbols in view will change to fish and pay as normal. From the server side it is a Symbol Replacement feature. This is “smoke and mirrors” – because fishes were on screen from the beginning – and we just made a fake symbol replacement.


For information on symbols and base game instructions, please see in-game help menu.

Malfunction voids all plays and pay.