Bonanza Megapays

from Big Time Gaming

Release Date: June 7, 2021 Last Update: Not Specified
Play Bonanza Megapays for free. No registration or deposit required.

What are "Free-To-Play" slot machines?

Bonanza Megapays is a high-volatility online slot released in 2021 by Big Time Gaming. Built on the Megaways engine across 6 reels, it offers up to 117,649 ways to win, a 96.40% RTP, and bets ranging from $0.20 to $30.00. It's fully mobile-compatible and available in demo mode. What sets it apart is the four-tier Megapays progressive jackpot—seeding from $100 (Mini) up to $300,000 (Mega)—layered on top of the familiar unlimited free spins multiplier. The trade-off is a base game RTP of just 86.96%, making this slot best suited for patient, jackpot-chasing players.

QUICK OVERVIEW

Bonanza Megapays

Try Bonanza Megapays for free in the demo player above. Explore the cascading Megaways engine, the Megapays jackpot overlay, and the unlimited free spins multiplier—all without risking real money. It's the perfect way to get comfortable with the mechanics before committing to real-money play.

Bonanza Megapays Slot By Big Time Gaming Review

from Big Time Gaming

Game TypeVideo Slot
RTP96.40%
VolatilityHigh
Max Win17,926 x bet
Win SystemMegaways
Layout6x7
Min Bet$/€ 0.20
Max Bet$/€ 30
Release DateJune 7, 2021
Last UpdateNot Specified

SLOT FEATURES

Free Spins
Progressive Jackpot
Bonus Games
Scatter Symbols
Configurable Winlines
Autoplay
Quickspin Feature
Gamble Feature

Casinos Offering Bonanza Megapays

November 2026

Ready to play Bonanza Megapays for real money? Browse our curated list of trusted online casinos below, where this Big Time Gaming slot is available. Each option offers secure deposits and fair gameplay. Compare your choices carefully, and always play responsibly within your budget.

Ethan Blake

Written by: Ethan Blake

Updated: October 13, 2026

Thomas Kirk White Bg

Fact Checker: Thomas Kirk

Checked: November 2026

Fact Checked
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More than 500 bonuses and free spin offers.

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Advertiser Disclosure

FreeCasino.co is a commercially operated, independent affiliate website. We may earn commissions when you click affiliate links on our site and complete qualifying actions on third-party casino platforms, such as creating an account or making a deposit. This comes at no additional cost to you. Our reviews, ratings, and recommendations are editorially independent — affiliate relationships do not determine our assessments or rankings. All content on FreeCasino.co is provided for informational and entertainment purposes only. We do not operate, provide, or facilitate gambling services of any kind. For full details on how we generate revenue and maintain editorial independence, see our Advertiser Disclosure.

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FULL SLOT MACHINE REVIEW

Bonanza Megapays Slot by Big Time Gaming Review

Jackpot-Focused Megaways With High-Variance Potential
Ethan Blake

Written by: Ethan Blake

Updated: October 13, 2026

Thomas Kirk White Bg

Fact Checker: Thomas Kirk

Checked: November 2026

Fact Checked
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CASINOS & SLOTS

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Bonanza Megapays dropped in 2021, and as someone who's spent years spinning reels, I immediately noticed BTG wasn't just recycling their classic. Instead of another Megaways rehash, they slapped on their Megapays progressive jackpot system—something that really amps up the excitement for jackpot hunters like me.

If you want to play Bonanza Megapays online, you're looking at a slot that tries to breathe new life into a legend. It's got all the familiar Megaways chaos, but now with a serious progressive jackpot twist that changes the whole vibe.

For players digging into how to play Bonanza Megapays, the structure feels familiar at first. But don't let that fool you—there are new wrinkles here, and the slot really tries to please both fans of cascading wins and those chasing that massive, heart-pounding Mega jackpot.

A Colorful Slot Machine With MiningThemed Symbols Like Gems, Gold, And Dynamite, Set In A Mining Environment With Treasure And Coins Around It.

This is high-volatility territory, and the Megapays feature is the star of the show. The Bonanza Megapays RTP clocks in at 96.40%, with up to 117,649 ways to win, an unlimited multiplier during free spins, and four progressive jackpots—ranging from a Mini seed at $100 to a Mega starting at $300,000.

Honestly, that's a wild mix, and sometimes it feels like the game is trying to do too much at once.

Big Time Gaming basically invented the Megaways mechanic, so every time I see their name, I expect something special. Their original Bonanza Megaways set the bar, and while Bonanza Megapays keeps that pedigree, the math gets tweaked to fund the jackpots. That trade-off is worth a close look before you start spinning.

Key Takeaways

  • Bonanza Megapays keeps the unlimited free spins multiplier from the original but drops four progressive jackpot tiers on top of the core Megaways engine.

  • Part of the 96.40% RTP goes straight into the progressive jackpot pool, which means less RTP in the base game—something you really feel if you play a lot.

  • This slot is built for patient, high-volatility fans chasing huge free spins runs or that legendary progressive jackpot, not for folks who want steady, small wins.

Quick Verdict And Key Numbers

Bonanza Megapays is a beast for the right player. You have to ask yourself if the Megapays jackpot layer is worth the hit to your regular wins. The unlimited free spins multiplier is still the main event, but the progressive jackpot adds a whole new level of anticipation—there's nothing quite like watching those reels come alive when the jackpot triggers.

What This Slot Is Best Suited To

If you're wondering who should play this, here's my take:

  • Progressive jackpot chasers who want a legit Megaways engine under their jackpot dreams.

  • High-variance grinders who don't mind dry spells if it means a shot at explosive bonus rounds.

  • Bonanza franchise fans craving those mining vibes and cascading wins, now with a jackpot kicker.

If you prefer frequent small wins or smoother, medium-volatility action, this probably isn't your jam. And if you're chasing the highest possible RTP, the original non-progressive Bonanza Megaways might fit better.

Industry Benchmark Snapshot

Metric

Bonanza Megapays

Industry Average

RTP

96.40%

~96.00%

Volatility

High

Medium

Max Win (base game)

17,926x

2,500x to 5,000x

Progressive Jackpot Top Tier

3,000,000x at min stake

N/A (non-progressive average)

Ways to Win

Up to 117,649

~243 to 1,024 (fixed)

Bonus Trigger Frequency

Approx. 1 in 300-500 spins

~1 in 100-200 spins

Hit Frequency

Not publicly disclosed

~25-30%

The 17,926x base game max is lower than Bonanza Megaways' 26,000x, and that's the price you pay for the progressive jackpot pool eating into the math. It's a trade-off, but for some of us, that jackpot sweat is worth it.

Third-Party Reputation And Community Data

Right now, there's no big community rating for Bonanza Megapays, which is kind of surprising. Reviewers seem to like it, but real players are split. People love the unlimited multiplier, but some get frustrated by the lower base game RTP. It's a classic case of jackpot slots: you give up some steady wins for a shot at the big one.

Core Specifications And Setup

An Illustration Of A Slot Machine With Colorful Reels And Symbols, Surrounded By Graphical Elements Showing Game Features, Set Against A MiningThemed Background.

Let me break down the numbers for Bonanza Megapays. These are the nuts and bolts I always check before I spin, especially on a jackpot slot like this.

RTP, Volatility, And Max Win

Metric

Value

RTP (base game return)

86.96%

RTP (including Megapays progressive allocation)

96.40%

Progressive RTP allocation (total)

9.44%

Volatility

High

Max Win (base game cap)

17,926x bet

Jackpot max win potential

~3,000,000x at minimum stake

Hit Frequency

Not publicly disclosed

Bonus Trigger Frequency

Approx. 1 in 300-500 spins

Release Date

2021

Mobile Compatible

Yes

Demo Mode Available

Yes

The RTP headline is 96.40%, but only 86.96% comes back through regular play. That extra 9.44% gets siphoned off for the four Megapays jackpot tiers. You really notice it if you grind the base game for a while—it's a big slice, honestly.

Bet Range, Reels, And Ways

Metric

Value

Minimum Bet

$0.20

Maximum Bet

$30.00

Reels

6

Rows

2 to 7 per reel (dynamic)

Ways to Win

Up to 117,649

Grid Mechanic

Megaways (BTG proprietary)

Bonus Buy

Not available

No bonus buy here—BTG wants you to earn those free spins the old-fashioned way, by collecting scatters. It stretches out the session, and while some players might miss the shortcut, I kind of like the build-up and tension. When that feature finally triggers, the anticipation is pure slot bliss.

Demo Mode And Mobile Compatibility

Bonanza Megapays offers demo play at quite a few online casinos, which is a life-saver before you deposit a single cent. I always recommend giving the free slots version a whirl first—it’s the best way to see how the cascade engine feels, spot how the Megapays jackpot overlay triggers, and get a sense for that free spins multiplier in action.

Honestly, it’s just smart to test drive before you jump in for real money. On mobile, BTG keeps things snappy and smooth, whether you’re on iOS or Android. The game runs cleanly in your browser, and all the usual controls are there—autoplay, quick spin, the works—so you can let the reels do their thing for those marathon sessions.

How The Base Game Works

Let’s talk basics. Bonanza Megapays starts with a dynamic grid that’s always shifting, and it’s classic Big Time Gaming all the way.

You pick your bet, hit spin, and the action unfolds across ever-changing rows. The reels come alive in a way that’s both familiar and fresh, especially if you’ve played the original Bonanza.

Theme, Symbols, And Paytable

Bonanza Megapays sticks to the original mining theme, and honestly, it just works. You’ll see gemstones, dynamite, mine carts, and those iconic GOLD scatter letters everywhere.

If you’ve ever played the OG Bonanza Megaways, you’ll get instant nostalgia from the visuals. The 3D-rendered look hasn’t changed much since 2016—some find that charming, others might call it a bit dated, but it’s definitely got personality.

The paytable is packed with mining icons, and knowing what’s what is key for tracking your wins. Here’s how the symbols break down:

High-value symbols:

  • Gems in different colors, each with their own payouts

  • Gold bar

  • Mine cart

Low-value symbols:

  • Standard playing cards—A, K, Q, J, 10, 9

Special symbols:

  • Dynamite wild (subs for everything but scatters)

  • GOLD scatter letters (one per reel, spell G-O-L-D to trigger free spins)

  • Megapays symbols (collected during the jackpot overlay)

The setup uses six reels, with a horizontal reel sliding above the main grid. That top reel feeds extra symbols into the main reels, and you’ll mostly see the Dynamite wild there. Each main reel can show between two and seven symbols per spin, so you’re looking at up to 117,649 ways to win when the reels expand fully.

Most spins won’t hit the max, but when you get a wild on that horizontal reel, the ways really open up. There’s nothing quite like watching the grid stretch out and realizing how many paylines just lit up.

Cascading Wins And Reactions

Cascading reels—BTG calls them “reactions” here—are the real heartbeat of Bonanza Megapays. Every time you land a win, those symbols explode and new ones drop in from above.

This keeps going until no new wins form. It’s not unusual to get three or four reactions in a single spin, which feels great even if the payouts are modest. But let’s be honest, the real magic happens in free spins when the multiplier kicks in and those chains start stacking up.

Wilds, Scatters, And Winning Paths

The Dynamite wild symbol drops onto the grid from the sliding top reel and fills in for any regular pay symbol. It’s a lifesaver for completing those tough-to-hit lines across all 117,649 ways.

Scatters are the four GOLD letters—one per reel. Land all four in a spin, and boom, you’re off to the free spins round. If you manage to get more than four, you’ll score extra free spins. The scatter system is simple and doesn’t mess with the Megapays jackpot overlay at all.

Bonus Features And Jackpot Mechanics

Bonanza Megapays Bonus: Free Spins And Unlimited Win Multiplier

Here’s where it gets exciting: the free spins round. This is the heart of Bonanza Megapays, and honestly, it’s what most of us are chasing.

Free spins trigger when you land four GOLD scatters anywhere. You get 12 spins to start, and if you nail five or six scatters, you’ll tack on five more spins for each extra scatter. The multiplier starts at 1x and bumps up by one every time you hit a cascade. There’s no cap, so things can get out of hand—in the best way.

Feature

Detail

Trigger

Land 4 GOLD scatter symbols anywhere on the reels

Base Free Spins Awarded

12 spins

Extra Spins (5 scatters)

+5 spins

Extra Spins (6 scatters)

+5 spins

Multiplier Start

1x

Multiplier Increment

+1 per cascade win

Multiplier Cap

Unlimited

Win Potential (free spins)

Reported player wins of 500x to 1,000x+ stake via multiplier chains

This unlimited multiplier is the real star—players have seen it climb to 50x, 100x, sometimes even further. Every reaction in a free spins round cranks up the multiplier, so a chain of seven cascades means your last win is already at 8x. It snowballs fast and can lead to some jaw-dropping payouts.

But let’s not sugarcoat it: the free spins don’t come easy. Most players see the bonus round about once every 300 to 500 spins, which is definitely on the rarer side. That anticipation, though—when you finally land it, the adrenaline is real.

How The Megapays Jackpot Feature Triggers

Megapays jackpots can fire off randomly on any spin, regardless of whether you’re in the base game or free spins. You never know when it’ll hit—that’s part of the thrill.

When it triggers, a 6x7 grid pops up and you start collecting Megapays symbols. Each one you land gives you an extra spin, almost like a mini respin bonus. The more Megapays symbols you snag, the higher the jackpot tier you’ll reach.

Jackpot Tiers, Respins, And Prize Potential

Jackpot Tier

Symbols Required

Minimum Seed Value

RTP Allocation

Mini Jackpot

4 symbols

~$100

0.15%

Midi Jackpot

8-11 symbols

~$1,500

0.13%

Major Jackpot

12-14 symbols

~$20,000

0.12%

Mega

15+ symbols

~$300,000

0.11%

The Mega jackpot can hit a wild 3,000,000x your bet at the lowest stake if the pool’s ballooned enough. At higher stakes, the multiplier shrinks, but the jackpot pool itself is fixed—so you’re always playing for the same top prize.

Each jackpot tier has its own progressive pool. Even the Mini can be a decent payday, especially for low-stake players. About 9.44% of the RTP is carved out for the jackpots, so the pools fill up at a steady pace, though the Mega naturally takes longer to pop than the Mini.

Who Will Enjoy It And Closest Alternatives

Player Fit And Bankroll Considerations

Bonanza Megapays isn’t for the faint of heart or the thin of bankroll. With the slow free spins trigger, you’ll probably spend a lot of time grinding through the base game, picking up smaller cascades and waiting for that heart-stopping feature drop.

This slot is perfect if you:

  • Can ride out 300 to 500+ spins between bonuses without sweating

  • Chase those life-changing jackpots, even if it means a lower base game RTP

  • Love high volatility and don’t mind waiting for the big hits

  • Are into the mining theme and BTG’s signature cascading mechanics

But you’ll want to skip it if you:

  • Need a bonus buy option to jump straight to free spins

  • Prefer medium volatility with lots of regular wins

  • Want all the RTP feeding back into the main game instead of a progressive pool

  • Are comparing max win numbers with non-progressive Megaways slots

My honest advice? Set a stop-loss before you start spinning for real. This is a high-volatility beast, and while the highs are incredible, the downswings are real. If you’re prepared, though, and you love a slot with wild swings and huge potential, Bonanza Megapays is an absolute rush.

How It Compares With Bonanza Megaways

Let’s get into the nitty-gritty: Bonanza Megapays is basically the souped-up, jackpot-hunting sibling of the OG Bonanza Megaways from Big Time Gaming. Both games share that iconic, tumbling-reel chaos, but there are some real differences when you compare the two side by side:

Metric

Bonanza Megapays

Bonanza Megaways

RTP

96.40% (9.44% to jackpot pool)

~96.00% (all to gameplay)

Base Game Return

86.96%

~96.00%

Max Win

17,926x

~26,000x

Progressive Jackpot

Yes (4 tiers, Mega seed $300k)

No

Bonus Buy

No

Yes (on some platforms)

Unlimited Multiplier

Yes (free spins)

Yes (free spins)

Cascade Mechanic

Yes

Yes

If you’re after pure slot performance, the original Bonanza Megaways gives you all the RTP in the base game and a higher max win. Bonanza Megapays, though, is for those moments when you want to chase life-changing jackpot potential and don’t mind sacrificing some regular returns for that shot.

Similar Slots Worth Considering

Slot Name

Provider

Similar To This Slot On

Bonanza Megaways

Big Time Gaming

Same cascade mechanic, unlimited multiplier, mining theme, and 117,649 ways without the progressive trade-off

Extra Chilli Megaways

Big Time Gaming

Same BTG cascade engine with unlimited multiplier free spins and comparable high volatility

White Rabbit Megaways

Big Time Gaming

BTG Megaways mechanic with a different theme and free spins multiplier structure

Primal Megaways

Blueprint Gaming

Licensed Megaways mechanic with high volatility and free spins unlimited multiplier

Danger: High Voltage

Big Time Gaming

BTG high-variance slot with progressive jackpot elements and volatile bonus structure

Final Assessment

A Colorful Slot Machine With Reels Showing Gems And Mining Symbols Set Against A MiningThemed Background.

Strengths And Limitations

Pros:

Strength

Why It Matters

Unlimited free spins multiplier

That multiplier just keeps climbing with every cascade in free spins—this is where it gets exciting. A single bonus round can go nuclear, and I’ve seen wins of 500x, 1,000x, or more when the stars align.

Four-tier progressive jackpot

That Mega jackpot starts at $300,000. No standard Megaways slot can touch that kind of raw payout potential—if you’re a jackpot chaser, this is the main event.

Up to 117,649 ways to win

The reels come alive with the full Megaways layout. Every spin feels loaded with possibility, especially when you see those wilds and scatters lining up.

Established franchise trust

Bonanza Megapays runs on tried-and-true mechanics. If you’ve played any BTG Megaways slot, you’ll settle in fast—no confusing rules or awkward features to learn.

Cons:

Limitation

Why It Matters

Only 86.96% of RTP flows through base gameplay

About 9.44% of the RTP goes straight into the jackpot pool, so your regular spins just won’t pay as consistently as the non-progressive version. That’s the price for those massive jackpots.

Free spins trigger approximately once in 300-500 spins

Honestly, that’s a slog. Most slots pop the bonus a lot more often, so you’ll need patience and a decent bankroll if you want to see those free spins in action.

No bonus buy option

There’s no shortcut to the feature round here. Some BTG slots let you buy straight into free spins, but not this one—so you’re grinding for that trigger, like it or not.

Base game max win capped at 17,926x, below the original's ~26,000x

With the jackpot system in play, the ceiling for regular play drops compared to the original. If you’re not aiming for the jackpot, you might feel that pinch.

Overall Value For Jackpot Hunters

Bonanza Megapays is a progressive jackpot slot that’s built for thrill-seekers. The free spins can go wild with those unlimited multipliers, and the four-tier jackpot system is genuinely exciting—especially when you see that Mega prize ticking up.

You’ll find Bonanza Megapays at most major online casinos. It’s a staple for BTG fans, and honestly, it’s hard not to come back for another shot at those jackpots.

The trade-offs are clear. Lower regular RTP, slow bonus triggers, and no bonus buy are the price you pay for a crack at those huge progressive prizes.

If you want classic Megaways gameplay with a jackpot twist, this is one of the best options around. But if you’re just here for pure slot value, the original Bonanza Megaways is still the king for steady returns and bigger base game hits.

For me, Bonanza Megapays is a deliberate, focused slot. It’s not for everyone, but if you know what you’re chasing, it can absolutely deliver those heart-pounding moments—just be ready for the grind along the way.

If you’re after something with a different volatility, mechanic, or just want to explore, you can browse our full slot reviews collection at FreeCasino.co. There’s a slot out there for every taste and bankroll.

More Casinos Offering Bonanza Megapays

Ethan Blake

Written by: Ethan Blake

Updated: October 13, 2026

Thomas Kirk White Bg

Fact Checker: Thomas Kirk

Checked: November 2026

Fact Checked
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BONUSES

& FREE SPINS

CASINOS & SLOTS

More than 500 bonuses and free spin offers.

Fact Checked

TRUSTED &

VERIFIED

If you find inaccurate,

outdated, or incorrect

information, please let us

know by reporting it below.

UNBIASED

REVIEWS

CASINOS & SLOTS

+350 unbiased casino and

slot reviews.

Advertiser Disclosure

FreeCasino.co is a commercially operated, independent affiliate website. We may earn commissions when you click affiliate links on our site and complete qualifying actions on third-party casino platforms, such as creating an account or making a deposit. This comes at no additional cost to you. Our reviews, ratings, and recommendations are editorially independent — affiliate relationships do not determine our assessments or rankings. All content on FreeCasino.co is provided for informational and entertainment purposes only. We do not operate, provide, or facilitate gambling services of any kind. For full details on how we generate revenue and maintain editorial independence, see our Advertiser Disclosure.

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VerdeCasino

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No. of Slot Games 3,000+
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Q88Bets Casino

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VIP Program Yes
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No. of Live Games 95
Min deposit £/$/€25, bonus code SKC25 required, 50x wagering on bonus amount only, bonus valid for 30 days from receipt, free spins valid for 7 days from receipt, available on selected games only (contribution may vary per game), max conversion 3x the bonus amount, free spin winnings capped at £/$/€20, max bet per spin while wagering: Not Specified, Skrill & Neteller excluded, new players only, limited to 5 welcome bonuses per player across the ProgressPlay network.
Bonanza Megapays Slot by Big Time Gaming Review
FREQUENTLY ASKED QUESTIONS
Bonanza Megapays runs on BTG's Megaways engine across 6 reels, giving you up to 117,649 ways to win on every spin. You'll get cascading wins (they call them "reactions"), Dynamite wilds rolling in on the top reel, GOLD scatter letters for free spins, and a random Megapays jackpot overlay that can hit anytime—totally separate from the bonus. The unlimited multiplier during free spins is where big wins happen, and the Megapays system stacks four progressive jackpots on top.
The official RTP clocks in at 96.40%, but only 86.96% of that shows up in your regular gameplay. The rest (9.44%) is reserved for the four Megapays jackpots. Volatility is seriously high—so don't expect frequent wins, but when you land something, it can be massive. You'll need to ride out dry spells between those adrenaline-pumping payouts.
The Megapays round can trigger randomly on any spin. When it does, you'll see a special collection grid pop up and start spinning to collect Megapays symbols—each one gives you an extra spin. The more symbols you snag, the bigger the jackpot: 4 for Mini (seed ~$100), 8-11 for Midi (~$1,500), 12-14 for Major (~$20,000), and 15+ for the Mega (~$300,000 starting point). The Mega jackpot can, in theory, hit up to 3,000,000x your minimum bet if the pool's been growing for a while.
Yep, you can play a free demo of Bonanza Megapays at a bunch of online casinos. No need to risk real cash—just spin away and get a feel for the cascades, Megapays feature, and that wild free spins multiplier before jumping in for real. The demo is perfect if you want to see how the mechanics flow and get a sense of the game's rhythm. I always recommend testing a few hundred spins before committing.
You can spin from $0.20 up to $30.00 per spin. The base game maxes out at 17,926x your bet, but remember—the Megapays jackpots are totally separate. That Mega tier can balloon up to around 3,000,000x the minimum stake, depending on how long it's been since the last hit. The potential is wild if you get lucky at the right time.
Both games fire up that 117,649-way Megaways engine, with those classic cascading wins and the unlimited multiplier during free spins. The reels really come alive when you trigger those bonus rounds, and if you love the original, you'll recognize the intense rhythm here. Here's where things get interesting. Bonanza Megapays channels 9.44% of its RTP straight into the progressive jackpot pools, so the base game return drops to 86.96%. Meanwhile, Bonanza Megaways keeps its full ~96.00% in gameplay, and you can feel that extra value spinning away. If you're chasing those massive wins, Bonanza Megaways definitely has the edge with a base game max win around 26,000x. There's also a bonus buy option on many platforms, which really adds flexibility for feature hunters—can't say the same for Bonanza Megapays.

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