- Pretty good 96.02% RTP
- 5 free spins in the bonus round
- Multipliers of up to x100 in the bonus round
- Four levels of jackpot
- Can’t incorporate win/loss limits in autoplay
- No quick spin/turbo feature
Contents
Introduction
Ainsworth's Big Thunder slot showed how this developer could take classic themes and depict them with its own distinctive style. Now Mustang Spirits: Cash Stacks takes a familiar 5-reel format and the iconic imagery of the American West to create a truly special slot. An impressive 100 paylines, some beautiful graphics and an excitingly complex bonus round give you plenty to enjoy.
Theme, Graphics & Soundtrack
When they first colonised America, the Spanish brought horses that would eventually escape onto the plain. Mustangs, as they are now called, have become synonymous with wildness and freedom. Those are also the things we see in Mustang Spirits: Cash Stacks, where transparent reels show the open, dusty deserts of the Wild West, unconquered by humans. It’s not just horses, either, with coyotes, eagles, scorpions and bears also making an appearance. It’s a hostile environment but a beautiful one for anyone who dares to ride there. There’s a fiery glow at the edges of the reels, and the music could be straight out of a film. If the mustang symbol is part of a winning line, it will toss its head and whinny.

Mustang Spirits: Cash Stacks RTP and Variance
Mustang Spirits: Cash Stacks sits right alongside the best Ainsworth demo slots thanks to its strong 96.02% RTP. It might only be a theoretical average, but it’s still a good starting point. You’ve still got plenty of room for deviation, whether it be higher or lower. That’s part of the fun. Expectations are a little harder to set because of the lack of official variance information, which means the best way to get a feel for the frequency of wins is to spin the free demo a few times.
How to Play Mustang Spirits: Cash Stacks
Can you tame a wild horse?
- There’s a menu button down at the bottom left corner. In that menu, you’ll find on/off buttons for both music and sound as well as links to the homepage and game rules.
- With the game rules, you’ll find the paytable and guide to features, which is basically everything you need to know before you start.
- If you go back to the main screen, the next buttons under the reels are for the bet adjustor. There are two arrows, one to raise your wager and one to lower it until you reach your preferred level. Alternatively, high rollers may want to go straight to the max bet button.
- As for how to pick an appropriate bet level, that’s going to depend on your overall budget. Keep an eye on your total balance and gamble or stop accordingly. You don’t want to end up on the dark road of chasing losses and losing more than you can afford.
- When you reach the end of the reels, there’s one more adjustor. You can choose to play with either 50 or 100 paylines. More paylines means more ways to win, but also a higher bet.
- You only have one more decision to make. There are actually two ways to hit play. The big spin button will turn the reels once. The other opens autoplay, with between 5 and 25 automatic spins. It may be more convenient, but you can’t include any win or loss limits as stopping points, making it harder to maintain your budget.
- We always recommend playing for free first, even if you plan to gamble real money later, just to familiarize yourself with the game. In addition to good budgeting and free play, taking regular breaks is another valuable part of responsible gaming.
Always play responsibly. When the fun stops, stop.
Bet & Win Sizes
Your total bet has a 1.00 minimum with all 100 lines in play (0.50 for 50 lines). The maximum is 50.00 (or 25.00), so it's not huge but is perfectly reasonable.
Changing your bet will also change the values displayed on the paytable. With all lines in play and a minimum bet, the maximum rewards for matching 5 of each symbol are as follows:
9, 10, J - 0.50
Q, K, A - 0.75
Cacti, Scorpion, Coyote - 1.00
Bear - 1.50
Eagle - 2.00
Mustang Spirits: Cash Stacks Hold ‘n Stack Bonus Feature
Hold ‘n Stack is the main bonus feature in Mustang Spirits: Cash Stacks. You trigger it when you find 3 of the golden coin scatter symbols and are awarded 5 free spins. Each coin has a value on it of between 1x and 100x your total bet. You also have the opportunity to win 1 of 4 levels of jackpot (as displayed beside the reels): Mini, Minor, Major and Grand.
Mustang Spirits: Cash Stacks Review
The Western is an enduring genre because its imagery and aesthetic are so iconic. The atmosphere created by those empty plains and that fierce heat, with those few animals and plants that can scavenge a life there, is something that has captured imaginations around the world. It also makes a captivating slot with exciting gameplay and promising returns. There may only be one bonus round, but it’s a good one with lots of winning potential.
Disclaimer: Mustang Spirits: Cash Stacks trademark / license is owned by Ainsworth. This site is not endorsed by Ainsworth.
| Slot Name: | Mustang Spirits: Cash Stacks |
|---|---|
| Software: | Ainsworth |
| RTP: | 96.02% |
| Paylines: | 100 |
| Reels: | 5 |
| Min Bet (all lines covered): | $1.00 (CAD) |
| Max Bet: | $50 (CAD) |
| Top Win: | 1000 |
| Features: | Wild Symbol, Scatter Symbol, 5 Reels |
| Themes: | Nature, Wild West |
| Last Update: | 07/11/2021 |
FAQs
What is the RTP of Mustang Spirits: Cash Stacks?
This slot has an average return of 96.02%. That puts it right among the best of modern slots, although, as always, it’s a guideline figure rather than a guarantee.
Does Mustang Spirits: Cash Stacks have a free spins round?
The Hold ‘n Stack bonus round is a slot with Ainsworth demo slots thanks to its strong free spins, but it also has some extra chances to win prizes. You trigger the round by finding 3 golden coin scatter symbols, which award 5 free spins.
What other features are in the Hold ‘n Stack bonus round?
There are multiplier prizes of between x1 and x100. You can also win 1 of 4 levels of jackpot.
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