Stack 'Em is a high-volatility 6x4 grid slot from Pragmatic Play built around colourful stacked gem symbols. Stack 'Em centres on its stacked-reel mechanic and a free spins bonus with growing multipliers, offering a 96.24% RTP and a 5000x max win.
Slot specs
| Provider | Pragmatic Play |
|---|---|
| Reels | 6 |
| Rows | 4 |
| RTP | 96.24% |
| Volatility | High |
| Max win | 5000x |
| Bet | €0.20 - 240 |
How to play
To start, choose your bet size (from €0.20 - 240) and press spin. Stack 'Em is built around a matching-symbol mechanic - a win forms when enough identical symbols appear on screen. Every spin outcome is decided by a certified random number generator, so each spin is independent.
Bonus features
The key features that can boost your win:
- Scatter symbols
- Free spins
- Multipliers
- Wild symbols
Playing tips
Start in demo mode to learn the mechanic risk-free. Keep in mind that high volatility means rarer but potentially larger wins. Set a session budget and play responsibly.
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FAQ
The RTP of Stack 'Em is 96.24%, which is the theoretical return to player over the long run.
The maximum win is up to 5000x your stake.
Stack 'Em was developed by Pragmatic Play.
Yes, Stack 'Em runs in both desktop and mobile browsers with no separate app.