Stack Em Slot Review

⭐ 10/10
Create by: Hacksaw Gaming
Review by:
Posts by Michael White
Updated: November 29, 2025

Stack Em is a High volatile slot from Hacksaw Gaming with an RTP 96.2% and up to x10000 maximum win. Play demo for free.

Stack Em Slot Demo

Name
Software
Release Date
2021-05-14
RTP
96.2%
Max Win
x10000
Volatility
High
Bet Range ($,€,£)
0.20 - 100
Number of Reels
5
Features
Bonus Buy, Cluster Pays, Forest, Multiplier, Respins

Welcome to Stack ‘Em Slot

Stack ‘Em grabbed my attention straight away, mainly because Canny the Can is back with his friend Mona the Mouse. Hacksaw Gaming turned their quirky scratch card roots into one of the most innovative cluster slots I have tried. This follow up to Stick ‘Em feels like a worthy successor, with multipliers in both the base game and free spins, high variance, and massive 10,000x win potential on a single lucky sequence.

Stack Em slot screenshot

How to Conquer Stack ‘Em Slot

In Stack ‘Em I am playing on a 5x6 grid that pays for clusters rather than paylines. Wins land when at least five matching symbols connect horizontally or vertically, and big clusters of more than twenty five symbols give the best returns. After each win the non paying icons disappear, new symbols drop down, and the winning ones slide to the bottom, ready to link into fresh clusters during the same paid spin.

What makes Stack ‘Em different for me is how those stacked winning symbols feed the multipliers under each reel. Every reel shows the number of symbols piled above it, up to six on a full column. When a cluster hits, the multipliers from all involved reels are added together, so a full screen of winners gives you 6x across five reels, a tasty 30x applied to that cluster payout.

Betting in Stack ‘Em ranges from 0.20 to 100 per spin, which covers cautious testing and more aggressive sessions. I usually sit somewhere in the middle because the volatility is high and the balance can swing hard. The basic rules are easy to grasp after a few spins, so most of my focus goes on managing stake size and waiting for those long cascading chains that push the multipliers into serious territory.

Cartoonish Theme and Entertaining Graphics in Stack ‘Em

Visually Stack ‘Em has that old cartoon charm, with the action set against an idyllic countryside backdrop. Canny the Can stands to one side of the grid, bouncing up and down in time with Mona the Mouse on the other. The whole thing feels like a throwback to early animation, yet the layout stays clean and readable, so following the cluster wins and multipliers never feels confusing even when the cascades go wild.

In terms of symbols Stack ‘Em sticks with simple letters and quirky icons. A, G, E, R and T sit at the low end, paying from 0.10x up to 25x your bet for clusters of twenty five or more. Higher up you have the leaf, dead bird, skull, snake and the thumbs up symbol. Those premium icons reach 100x, while the thumbs up can hit 200x your stake in a single massive cluster.

Symbols and Paytable

Symbol Quantity Payout
icon 1 25+ x200
20-24 x100
15-19 x30
13-14 x10
11-12 x6
9-10 x4
7-8 x2
5-6 x0.5
icon 2 25+ x100
20-24 x50
15-19 x20
13-14 x5
11-12 x3
9-10 x2
7-8 x1
5-6 x0.25
icon 3 25+ x100
20-24 x50
15-19 x20
13-14 x5
11-12 x3
9-10 x2
7-8 x1
5-6 x0.25
icon 4 25+ x100
20-24 x50
15-19 x20
13-14 x5
11-12 x3
9-10 x2
7-8 x1
5-6 x0.25
icon 5 25+ x100
20-24 x50
15-19 x20
13-14 x5
11-12 x3
9-10 x2
7-8 x1
5-6 x0.25
icon 6 25+ x25
20-24 x12.5
15-19 x4
13-14 x1
11-12 x0.6
9-10 x0.4
7-8 x0.2
5-6 x0.1
icon 7 25+ x25
20-24 x12.5
15-19 x4
13-14 x1
11-12 x0.6
9-10 x0.4
7-8 x0.2
5-6 x0.1
icon 8 25+ x25
20-24 x12.5
15-19 x4
13-14 x1
11-12 x0.6
9-10 x0.4
7-8 x0.2
5-6 x0.1
icon 9 25+ x25
20-24 x12.5
15-19 x4
13-14 x1
11-12 x0.6
9-10 x0.4
7-8 x0.2
5-6 x0.1
icon 10 25+ x25
20-24 x12.5
15-19 x4
13-14 x1
11-12 x0.6
9-10 x0.4
7-8 x0.2
5-6 x0.1
icon 11 Scatter
icon 12 Wild

Mighty Bonus Features in Stack ‘Em

The feature set in Stack ‘Em revolves around wilds, reel multipliers and a bonus buy. The wild symbol simply substitutes for regular pay symbols to help form clusters, and it can land anywhere on the grid. Each winning cascade removes non paying symbols while the winners stay stacked, driving up the reel multipliers beneath them. Impatient players can pay 129x their stake to buy straight into the free spins instead of waiting for scatters.

Triggering the bonus in Stack ‘Em needs three free spin symbols during one cascade, which awards five spins shown as hearts above the reels. A progressive global multiplier also appears above the grid and increases by the number of symbols in each winning cluster. During free spins X marks the spot, as clusters touching the X get multiplied by that global value, while the mysterious question mark can add spins, add value or multiply the multiplier.

Stack ‘Em RTP, Variance, and Max Win

From a numbers point of view Stack ‘Em sits on an RTP of 96.20 percent, whether you reach the free spins naturally or via the bonus buy. Volatility is high, so long dry spells are possible between the spikes. That maths model feels justified, as the game can pay up to 10,000x your bet, helped by the global multiplier in free spins that does not reset between winning cascades.

Stack Em slot screenshot

Is Stack ‘Em Online Slot Worth it?

For me Stack ‘Em hits that rare mix of being innovative, fun and capable of serious payouts. The base game already has plenty going on, with multipliers active on every cascade and clusters that can chain together surprisingly well. Big wins never feel impossible, just a bit unpredictable, which suits a high variance slot. When the multipliers line up across several reels, even a single cluster can deliver a hefty return.

I rate Stack ‘Em as one of Hacksaw Gaming’s better releases, especially if you enjoy watching a multiplier build over time. The hearts based free spins feature adds tension, and the way the global multiplier climbs by symbol count gives those rounds real punch. It can be frustrating when the X symbol refuses to cooperate, yet when scatters, X and the question mark align, the slot shows exactly what it can do.

Screenshots

Stack Em slot screenshot 1
Stack Em slot screenshot 2
Stack Em slot screenshot 3
Stack Em slot screenshot 4
Stack Em slot screenshot 5
Stack Em Final Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (96.2%)








Max Win (x10000)








Originality








FAQs About Stack Em

Can I play Stack Em free slot?

Absolutely! You can enjoy Stack Em for free on our website without registration. Our partner casinos of Hacksaw Gaming also usually offer demo mode access.

Can I win real money on Stack Em slot?

Yes, to win real money in Stack Em, you'll need to create an account at a licensed casino site. You can then play for real and win up to x10000.

Can I play Stack Em slot on mobile phone?

Yes, Stack Em is fully optimized for mobile devices and runs smoothly on any devices.

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