Big Bass Hold & Spinner Megaways - Pragmatic Play's dynamic ocean adventure at Kim Casino
Pragmatic Play's fishing-themed Megaways slot with Hold & Spin bonuses and Tumble cascades, paying 96.70% RTP with high volatility wins.
How Megaways and tumble mechanics shape your spins
The grid shifts each spin. This fishing-themed slot runs on a Megaways grid where reels 1 and 6 stay fixed at 6 symbols, while reels 2 through 5 shift between 2 and 6 symbols each spin. A separate top strip adds 1 to 4 extra rows of wild symbols and blanks, locked or unlocked at random. This setup creates up to 147,456 ways to win. When symbols match across the reels in adjacent columns from left to right, they pay. Winning combinations then tumble down and refill from above until no new wins form, keeping wins alive in single spins.
Not for every player's budget. High volatility means wins land less often but can grow much larger when they do. The slot suits players ready for longer dry spells between payouts and comfortable staking A$0.20 to A$240 per spin. The bought Free Spins and Hold & Spinner modes are pricey ways to chase bonus rounds—A$1,000 and A$1,200 respectively at the A$10 example bet—so this game appeals to players with a bigger bankroll. Casual players with smaller stakes or who expect frequent small wins will find the rhythm frustrating.
Watch symbols tumble and refill. The Tumble Feature dominates how a round plays out. Once you spin and the reels land, any winning symbols are removed and symbols above tumble down to fill the gaps. New symbols drop from the top to complete the grid. If this creates fresh winning combinations, they tumble again. This cascade continues until the reels lock with no new wins on screen. A single spin can deliver multiple consecutive wins from one Tumble sequence, which is where the slot builds its bigger payouts.
Continue readingWhich numbers matter most to your play?
Understand the slot's core design, payback and limits before placing your first bet.
Pragmatic Play
A$4 800 000
How each round plays out on the reels
Kim Casino shows you exactly what happens when you spin, so you know what to expect before you play.
What screens will you see when you play?
Big Bass Hold & Spinner Megaways bonus modes
Locked positions and cascading reels. Megaways grid cascades winning symbols and refills from above until no more wins appear. Tumble Feature cascades winning symbols and refills from above until no more wins occur during free spins mode.
Symbol locking and respin mechanics. Certain symbols lock in place when they land during the bonus round. These held symbols remain on the grid while other reels spin again, building your payout potential across multiple respins.
Shifting reel structure and wild rows. Megaways grid has reels one and six fixed at six symbols, while reels two through five vary from two to six symbols plus an independent top strip of one to four extra rows with wild symbols and blanks that randomly lock or unlock each spin.
Explore the full Big Bass collection
The five games in this series range from 96.50% to 96.52% RTP, with maximum wins between x5000 and x25000.
Big Bass Blast
Big Bass Football Bonanza
Big Bass Trophy Catch
Buy into free spins or hold and spinner mode
Fast track to bonus mode
Skip the base game and jump straight into free spins with locked symbols. At a A$10 bet, this costs A$1 000 and removes the wait for scatter symbols to land naturally.
Buy the premium round
Activate the hold and spinner round where symbols lock and collect toward multiplied payouts. At a A$10 bet, this premium feature costs A$1 200 for direct access to the bonus mechanics.
See what you get back per 100 staked
RTP is the average amount returned to players over a very large number of spins. The 96.70% figure applies to the standard game and to both bonus buy options: Buy Free Spins and Buy Hold & Spinner.
RTP 96.70% · Standard game and both bonus buys
Demo mode and real-money play options
See how the Megaways grid shifts and symbols tumble before you stake your first dollar.
The unknowns in any slot session
Bonus timing stays hidden. Bonus rounds depend on random events that fall outside prediction. No amount of play history or bet size changes when the next free spins or Hold & Spinner arrives.
Your session follows its own path. Each spin's outcome is independent and random regardless of the RTP. Your session can end above or below the theoretical return; that figure describes long-term patterns, not your result today.
Maximum win versus typical outcomes. The maximum win of A$4,800,000 at the highest bet is a ceiling almost never reached. Most sessions fall far below this figure, and the top prize remains exceptionally rare.
What other slots does Pragmatic Play have here?
Big Bass Hold & Spinner Megaways: the essentials
You'll understand how this slot works and what to expect from your bets.
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When to stop, before and after a win
Budget first, play second. Decide how much you can afford to lose before you log in. Set a budget that stays separate from money you need for bills, rent or savings.
Stop before you chase losses. Choose in advance when you will stop playing, whether you are ahead or behind. Write down this stopping point and stick to it when the moment comes.
Deposit limits work. Use Kim Casino's deposit limits and loss limits to control how much enters your account each day, week or month. Reality checks and session reminders keep you aware of time spent.
Big Bass Hold & Spinner Megaways is only a game. If the game stops being fun or you feel out of control, use Kim Casino's self-exclusion tool or contact Gambling Help Online, Lifeline Australia or the BetStop National Self-Exclusion Register.