Mega Cash Stacks Slot - Review, Free & Demo Play logo

Mega Cash Stacks Slot - Review, Free & Demo Play


Money! It's a gas. Grab that cash with both hands and make a stash. Those lines from the famous Pink Floyd song describe a Mega Cash Stack slot pretty well. It's a game about money, where you can win big money. If you want to improve your chances of succeeding in the Mega Cash Stack, read our review. We are going to reveal all details and secrets of the slot.

Software: Bulletproof Games
Release Date: 14.07.2022
Volatility: High
RTP: 96.0%
Multiplier: No
Max. win: 2,500x
Bonus game: No
Free spins: Yes
Scatter Symbol: Yes
Wild symbol: Yes
Symbol Stacked: Yes
Jackpot Game: No
Slot lines: 25
Slot reels: 5
Layout: 5-4
Stakes range (€/£/$): 0.20 to 100
Slot Theme: Money
Technology: JS, HTML5

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Mega Cash Stacks Free Play

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How to Play

Here is the small guide which will help you to start playing Mega Cash Stack:

  1. Find the title in the lobby of the online casino
  2. Start the game and wait until its resources are loaded
  3. Press the coin icon and set the size of your stake
  4. Check rules, paytable, and change game settings if you want to
  5. Start rolling the slot manually or via autoplay

The min bet in the game is €0.20, while the max is €100. We can call Mega Cash Stack a classic game, given a 5x4 paying board and 25 fixed betways. In this slot, you can trigger free spins and gamble your winnings. The gamble round is quite unusual, as you can win free games there.

Mega Cash Stacks RTP and Volatility

Mega Cash Stack has a medium-high volatility with RTP Range: 86%, 90.5%, 94%, 96%.
A high (but not a super-high) variance of the slot is the result of a significant gap between low-paid and high-paid symbols and a generous FS round. The hitting rate of the slot is low (below 15%), and durable down streaks are possible. Be cautious during the greedy stretches. Take note that the slot has an RTP range. And if 96% is a decent payback, then 90% or 86% are really low indexes. We recommend checking the slot's details before the start of a gaming session.



Mega Cash Stacks

Mega Cash Stack is a slot about money, which is obvious from its name and looks. The high-paid group of the simple are popular currencies, and they look quite goldy, just like other elements! Of course, you'll hear sounds of coins and some money splashing during the play. Animations are mostly basic, which is not bad for a classic game. The slot's symbol package contains 11 elements, with 9 regular ones. Let's start with regular elements and their odds:

  • Card symbols (hearts, diamonds, spades, clubs: 0.04x, 0.16x, 0.8x
  • GBP, US dollar: 0.16x, 0.4x, 1.6x
  • Euro: 0.32x, 0.80x, 2.40x
  • Yuan: 0.32x, 0.80x, 3.20x
  • Cash Stacks: 0.40x, 1.60x, 8x

Two special symbols are wild and scatter. Three scatter symbols trigger free spins. As for the wild symbol, it substitutes regular elements and pays as a Cash Stacks element.

Mega Cash Stack Slot - paytable

Mobile Compatibility

Mega Cash Stack is a good pick for mobile play, as the game is compatible with iOS and Android devices. You can comfortably run this HTML5-based slot on your small-screen gadget without limitations. The game has an adaptive UI, meaning you can control the gaming process with a touchscreen. With a few taps, you can set the number of autospins, change the bet size, or adjust the game settings.

About Bulletproof Games

Bulletproof Games (BG) is an emerging slot development studio from England. The company was founded in 2015 by the industry's veterans. And from the first month, the studio started producing casino content and signing partnership deals. The company had a new impulse in 2021 after a strategic deal with Yggdrasil, and starting from that moment, BG content has been available on Yggdrasil's platforms. It surely helps to explore new markets and audiences. The portfolio of Bulletproof Games is not that big, containing a dozen slots. But the company is choosing quality over quantity. And their releases like Tempered Steel, Tiki Runner, or Hunter Moon Gigablox can compete with games from leading providers.

Bonus Rounds & Free Spins



Gamble option if available for winnings starting from 5x. You can activate the feature by clicking "on" in the "Gamble 5x stake" section. After that, every 5x or bigger win will activate the feature. You can increase your winnings or win additional free spins in the gamble. At the start of the round, you will see the two stacks of coins:

  • The left one is for increasing winning. You risk and try to improve your earnings by one-third, double or triple them
  • The right one is for gambling for free spins. The quantity of free games you can get depends on the amount of money you win from the previous spin

You can adjust the values of both stacks by pressing the "+" and "-"buttons. You can start to gamble by touching the corresponding area. After that, a pointer will start moving. It can stop on red (losing) or golden (winning) segments. If you win, you'll get an announced amount of money/number of FS, while a loss means the end of the round with losing all your winnings. The limits for wins are 2,500x for stake and 15 for free spins.

Free Spins

Catch at least 3 bonus symbols in a view to get free games. At the start of the round, you will spin the wheel to reveal the number of free spins: 5, 7, 9, 10, 12, or 15. Free games in Mega Cash Stack are progressive, meaning every new winner will be 100% bigger than the previous one. You can retrigger FS with at least 3 landed bonus symbols.

Golden Bet

Turn the Golden Bet ON to pay 50% of your stake, thus doubling your chances of getting free spins.

Bonus Buy

Buy free spins at the fixed price of 100x. The wheel's spin will determine the number of free games.
Mega Cash Stack Slot - feature

Mega Cash Stack Demo play

If you are still unsure if Mega Cash Stack is a good choice, try playing the game for free. You can do it here, as we embed the slot's demo version, which is available for every visitor to our website. Start the demo session to get a non-withdrawable FUN deposit. You can use it for betting, testing strategies, and even buying free spins. Of course, all your potential winnings during the free play will be virtual too. But demo mode is not about winning but more about practicing and learning.

Max Win

The highest possible winning odds in the slot is 2,500x.
Mega Cash Stack is not the highest-paid slot in the universe. Quite the opposite, as the game offers low payouts from symbols (up to 8x). At least, there is a gamble feature to increase your winnings up to 2,500x. Free spins are definitely more attractive than the base game regarding big wins due to their progressive pattern. Your winnings from the current spin of the free games will always be greater than a previous win.
Overall Rating
We cannot say that Mega Cash Stack will blow your mind. The slot has some obvious classic attributes but also offers quite an unusual gamble round. You won't see many slots where you can gamble for free spins. All in all, it's a decent addition to the Bulletproof Games portfolio.
Progressive re-triggerable free spins
Golden Bet
Buy option
Gamble feature with a chance to win FS
Low-paid symbols

Mega Cash Stacks Slot - FAQ

Can I retrigger free spins in Mega Cash Stack?
Yes, you can retrigger free spins by landing at least 3 bonus symbols.
Where can I check the slot's RTP?
Enter game rules to find details or ask a support agent in the online casino.
How many free spins are possible to win in a gamble feature?
You can win up to 15 FS in the gamble round of the Mega Cash Stack slot.

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Fabio is a young writer with +6 years of experience in gambling & betting. Fabio creates professional reviews of casino and slots. Every single article Fabio made exhibits deep analytical skill and comprehensive coverage of a topic. It’s Fabio – one of the leading authors on

Reviewed by Editor-in-Chief:
Aleksandra Andrishak
Updated: 19.08.2022

Rate this slot and leave a review

Overall rating

Based on 2 reviews
Rating: 8/10
Sloto Toto own avatar
Sloto Toto
6 lvl Superstar
Winning: £12
Multiplier: x41
Rating: 8/10
Classy and classic looks and pretty innovative gameplay.
The gamble option. Is it classic or innovative? You won’t many slots where you can gamble to win free spins!
The slot is obviously volatile and hitting free spins where all wins progressively rise from spin to spin should your main aim here. IMO, it’s with using Golden Bet (x0.33) to increase chances of triggering FS. Not sure about buying bonus. Most certainly it won’t help to break cold streak.
Hint: be cautious with gamble option
Primstan own avatar
6 lvl Superstar
Winning: £25
Multiplier: x128
Rating: 8/10
Mega Cash Stacks is all about money, with the payouts, theme and design as well. Don't get confused with all the currencies and get ready for some actions, since achieving free spins in this slot can insure great profits. Moreover, there is a gamble feature if you feel extra lucky. When it comes to the base game, symbol payouts are not big enough. FS can really add this spark that we all aim for. Progressive spins mean, that every next combination's payout will be higher than previous. Good slot
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