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The 16 Booming Games online pokies at mrwin77 return between 96.1% and Cash Pig's 95.1%. See what that one-point gap is worth in dollars, which four games have a published volatility rating, how max wins scale with your stake and where optional extras sit.
All 16 Booming Games pokies at mrwin77 casino sit within one percentage point of each other. Here they are grouped by RTP:
RTP, or return to player, is the share of all stakes a game pays back over a very long run of spins. The gap between 96.1% and 95.1% is one point, so it is easiest to see in round numbers. Across AU$1,000 of spins, a 96.1% game averages AU$961 back and a 95.1% game averages AU$951: an AU$10 difference.
A smaller session shows the same pattern. Two hundred spins at AU$0.50 come to AU$100 in stakes. At 96.1% the long-run average cost of that is AU$3.90; at 95.1% it is AU$4.90. Real sessions swing far more than this either way, because RTP only describes the average over a huge number of spins. Treat it as a tiebreaker between games you already like, not a forecast.
Top-tier RTP at 96.1%, paired with a high volatility rating from review sites. Symbols pay anywhere on a 6×5 grid, wins cascade with Random Multipliers, and the game adds a Candy Jar collector, bomb symbols and unlimited Free Spins. With a 6,500x max win, an AU$0.20 spin has a ceiling of AU$1,300. High volatility means the balance can move in bigger steps.
The bottom of the range at 95.1%, a full point under Tasty Bonanza, and also rated high volatility. It plays 30 lines on a 5×4 grid, with Piggy Bank coin collects and Free Spins featuring Minor Elimination and Major Upgrade. Review sites agree on an 8,000x max win, the highest published ceiling of the three picks. If you like the game, know that the lower RTP is the trade.
The simplest game at the top RTP of 96.1%. It runs up to 20 lines on 5×3 reels, with Free Spins, stacked symbols and an optional Gamble feature; the rules screen sets out the risk before you choose it, and you can skip it entirely. Its volatility and max win are shown in the game info.
Volatility describes how a game's returns are spread out. A high-volatility pokie tends to pay less often but in larger amounts, so a balance can drop for a while before a feature lands. Review sites agree on a rating for four of these games:
For the other 12, open the game info. On a small balance, a lower stake gives a high-volatility game more spins to reach its features.
A max win is the most a single round can pay, and Booming's rules state it as a multiple of the bet. Multiply by your stake to see it in dollars: at AU$0.50 a spin, Mustang Hold and Win's 2,000x is AU$1,000 and Bonza Bucks Hold and Win Extreme 10,000's 12,000x is AU$6,000.
The ceiling and the RTP are separate numbers. Primal Buffalo PowerGrid returns 96.1% with a 2,150x max win, while Bonza Bucks returns 95.9% with 12,000x. In Hold and Win games, a Grand Bonus is a jackpot prize inside the feature rather than the max win, so Bonza Bucks' 10,000x Grand Bonus sits below its 12,000x limit. For Buffalo Hold and Win, Gold Gold Gold, Burning Classics and Howling Wolves Megaways, the max win is shown in the game info.
Seven games list an optional extra worth reading about before you use it. Bonus Buy is listed in Buffalo Hold and Win Extreme, Bonza Bucks and Primal Buffalo PowerGrid. Mr. Oinkster's Hold and Win lists Oink Bet, 64 Gold Coins Hold and Win lists Blazing Bet, and Gold Gold Gold and Burning Classics list Gamble. Each is optional, and the game's rules screen shows its cost or risk.
Most of the 16 pay along lines: 5 on Fortune Surge's 3×3 screen, 10 to 25 on 5×3 reels, and 30 on Cash Pig's 5×4 grid and 64 Gold Coins' 5×5 grid. Primal Buffalo PowerGrid pays across 10,000 ways, Gates of Hercules 10,000 and Tasty Bonanza pay for symbols anywhere on 6×5, and Howling Wolves Megaways changes each reel's height every spin.
Seven titles include Hold and Win: coin symbols lock in place and you get respins. The respin count, coin values and how the Grand Bonus is won are in each game's rules. Each of these pay styles is compared across studios in the guide to online pokies by type.
Sort your shortlist here. "Shown in game info" means Booming has not published that figure.
| Game | How it pays | Volatility | Max win | RTP | Main feature |
|---|---|---|---|---|---|
 Buffalo Hold and Win | 25 pay lines on 5×3 reels | Shown in game info | Shown in game info | 95.9% | Hold and Win with Grand Bonus, Major Free Spins, Quick Hit Bonuses and Stacked Wilds |
 Buffalo Hold and Win Extreme | 25 pay lines on 5×3 reels | Shown in game info | 4,000x | 95.5% | Hold and Win Extreme coin respins with 1x–5x All Coins prizes, a 1,000x Grand Bonus and Bonus Buy |
 Ultra Buffalo Hold and Win | 20 fixed pay lines on 5×3 reels | Medium-High | 5,000x | 95.6% | Buffalo Bonus Wheel, Wild Buffalo Herd and Ultra Hold and Win on a 5×8 grid with the Ultra Reel |
 Primal Buffalo PowerGrid | 10,000 ways on a 4-5-5-5-5-4 reel grid | Shown in game info | 2,150x | 96.1% | Two PowerGrids lock coins for prizes on any spin, Ultra Prize Reel, and Free Spins with Bonus Buy |
 Mustang Hold and Win | 25 pay lines on 5×3 reels | Shown in game info | 2,000x | 96% | Hold and Win (all 15 coins win the 1,000x Grand Bonus), Major Free Spins, Quick Hit Bonuses and Stacked Wilds |
 Bonza Bucks Hold and Win Extreme 10,000 | 25 pay lines on 5×3 reels | Shown in game info | 12,000x | 95.9% | Hold and Win Extreme coin respins with 1x–5x All Coins prizes, a 10,000x Grand Bonus and Bonus Buy |
 64 Gold Coins Hold and Win | 30 pay lines on 5×5 reels | Shown in game info | 10,000x | 95.9% | Flaming Respins, coin Hold and Win with Grid Expand and Boost, Collection Pot and Blazing Bet |
 Mr. Oinkster's Hold and Win | 20 pay lines on 5×3 reels | Shown in game info | 2,000x | 95.6% | Piggy Bank and Vault collectors, Hold and Win, Free Spins with Jumbo Symbols and Oink Bet |
 Fortune Surge | 5 fixed pay lines on 3×3 reels | Medium-High | 2,000x | 96.1% | Coin Stack collects, Fortune Surge instant prizes and a Surge Bonus with up to three locked Collect symbols |
 Cash Pig | 30 pay lines on 5×4 reels | High | 8,000x | 95.1% | Piggy Bank coin collects and Free Spins with Minor Elimination and Major Upgrade |
 Gold Gold Gold | Up to 20 pay lines on 5×3 reels | Shown in game info | Shown in game info | 96% | Free Spins, stacked symbols and an optional Gamble feature |
 Burning Classics | Up to 20 pay lines on 5×3 reels | Shown in game info | Shown in game info | 96.1% | Free Spins, stacked symbols and an optional Gamble feature |
 Gates of Hercules 10,000 | Scatter pays (8+ anywhere) on a 6×5 grid | Shown in game info | 10,000x | 95.9% | Cascading reels, random 2x–500x multipliers, 15 Free Spins with a growing multiplier and Boost+ |
 Tasty Bonanza | Pays anywhere on a 6×5 grid | High | 6,500x | 96.1% | Cascades with Random Multipliers, Candy Jar collector, bomb symbols and unlimited Free Spins |
 Fish Tales: Double Catch | 10 pay lines on 5×3 reels | Shown in game info | 10,000x | 96.1% | Barrel Boost, Cash Collection and Big Net, plus 10–20 Free Spins with extra-spin and multiplier meters |
 Howling Wolves Megaways | Megaways on 6 reels (ways change every spin) | Shown in game info | Shown in game info | 96% | Cascades with Howling Wilds, Alpha Wolf Spin, Wolf Pack Multipliers and Free Spins |
Game details: Booming Games official game list ↗
Booming supplies casinos with more than one RTP setting, and each operator picks which to run. That is why one title can carry different figures at different casinos. mrwin77 runs every Booming game on its default setting, the highest available, so the percentages above are the ones you play at.
Booming's official catalogue lists 118 games, 117 of them slots, and each has a free demo on the studio's site. mrwin77 supports demo play, so you can watch how Tasty Bonanza or Cash Pig moves before spending real money. Practice credits have no cash value. The free pokies guide explains more.
You can deposit by PayID from AU$10, or use eZeeWallet, Apple Pay or Google Pay for deposits. Cash out by PayID, Skrill, Neteller or Payz from AU$30, and the funds land within 5 minutes. The banking guide and the PayID guide walk through each option.
mrwin77 has an 80% welcome bonus and an AU$388.33 weekly VIP bonus. See the 80% welcome bonus or the mrwin77 VIP and deposit bonuses.
mrwin77 works in the phone browser on iPhone and Android, with no app to install. Across its 3,000+ casino games, you can also compare RTPs at Pragmatic Play, Booongo, JILI and Aristocrat, or open the provider guide.
Five share the top figure of 96.1%: Primal Buffalo PowerGrid, Fortune Surge, Burning Classics, Tasty Bonanza and Fish Tales: Double Catch.
Cash Pig, at 95.1%. Buffalo Hold and Win Extreme is next at 95.5%.
Over AU$1,000 of spins, about AU$10 on average: AU$961 back at 96.1% against AU$951 at 95.1%. Short sessions can land far from either figure.
Review sites agree that Tasty Bonanza and Cash Pig are high volatility, and that Fortune Surge and Ultra Buffalo Hold and Win are medium-high. For the other 12, the rating is shown in the game info.
No. Bonza Bucks Hold and Win Extreme 10,000 has a 12,000x max win at 95.9%, while Primal Buffalo PowerGrid has 2,150x at 96.1%.
Not always, because casinos choose from several settings Booming supplies. mrwin77 runs each game on its default setting, the highest one.
Yes. mrwin77 supports demo play with practice credits, which have no cash value, so you can see how a game behaves first.
AU$10 by PayID, credited instantly. Withdrawals by PayID, Skrill, Neteller and Payz land within 5 minutes, from AU$30.