Double Stacks

NetEnt
Rate this game
RTP
96.1%
Volatility
High
Max Win
1000×
Paylines
10
Release
Sep 2018
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Where to Play Double Stacks

These licensed casinos offer Double Stacks for play.

888 Casino
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£88 No Deposit Bonus + 100% up to £100
Betway Casino
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Betsson Casino
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Jackpot City Casino
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100% up to £400 over 4 deposits
Hippodrome Online Casino
★★★★☆ 3.7
100% up to £100 + 100 Free Spins

* Affiliate link. 18+. T&Cs apply. Full terms

UK stake limits apply: max £2/spin (18-24) or £5/spin (25+)
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Double Stacks Review

Double Stacks is a properly old-school NetEnt slot from 2018, and it shows in the best possible way – a simple 10-payline structure with high volatility that doesn't try to overcomplicate things. The max win of 1,000x is respectable for a classic design, and the 96.1% RTP keeps things fair. What you're getting here is stripped-back gameplay that relies on symbol stacks and straightforward combinations rather than elaborate bonus mechanics or cascading reels.

The theme is a bit generic by modern standards – think fruit-and-bar imagery with a contemporary coat of paint – but that simplicity is actually part of the appeal. NetEnt understood that sometimes players just want to spin reels without deciphering a dozen different feature triggers. The high volatility means you'll experience proper dry spells between the decent hits, but when they land, they tend to feel earned. It's not flashy, and it's certainly been overshadowed by NetEnt's more elaborate releases, but Double Stacks remains a solid workhorse if you prefer your slots no-nonsense.

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How to Play Double Stacks

1
Set your stake
Use the +/- buttons to choose your bet per spin.
2
Hit Spin
Press the spin button to set the reels in motion. Wins are paid across 10 paylines.
3
Trigger bonuses
Land special symbols to unlock free spins, multipliers and bonus rounds. The top prize on Double Stacks reaches 1000x your bet.

Try it free first: click Start Demo above to play Double Stacks with virtual credits, no account needed.

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Double Stacks RTP & Volatility

Double Stacks has a Return to Player (RTP) of 96.1%. This sits right at the industry average of 96%, offering fair returns over long sessions. RTP is a theoretical long-term average calculated over millions of spins, not a guarantee for any single session.

Volatility: High. High-volatility slots like Double Stacks can go through longer dry spells, but reward patience with significantly larger payouts when bonus features hit. Best suited for players comfortable with bankroll swings who are chasing big wins.

The maximum win potential is 1000x your total bet. On a £1 stake, that translates to a top payout of £1,000.

Double Stacks Pros & Cons

Pros
  • Strong RTP of 96.1%
  • Big win potential in bonus rounds
  • Free demo available, no sign-up required
Cons
  • Can have long dry spells
  • Bonus features may take time to trigger
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Double Stacks Bonus Features

Double Stacks includes 3 bonus mechanics that shape the gameplay. Here’s how each feature works.

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Stacked Symbols
Wild Symbol
Symbols appear in stacked formations on the reels, filling entire reel positions when they land. On the 10-payline layout, stacked symbols significantly increase the chance of completing multiple winning lines simultaneously across the 5-reel grid.
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Free Spins
Free Spins
Land three or more Scatter symbols to trigger the free spins feature. During the bonus round, the stacking mechanic becomes more pronounced, with higher-value symbols appearing stacked more frequently to push toward the 1,000x maximum win.
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Respin Feature
Respin Feature
Certain stacked symbol landings can trigger a respin where the stacked reels are held in place. Remaining reels spin again, giving an additional opportunity to complete winning combinations across the 10 paylines at 96.1% RTP.
Game Type

Double Stacks FAQ

Yes — Double Stacks is available in free demo mode. You can play with virtual credits directly in your browser, no registration or download required.
Double Stacks has a Return to Player (RTP) of 96.1%. This means that, on average, the game returns £96.1 for every £100 wagered over the long term.
Double Stacks has High volatility. This means you can expect less frequent but potentially much larger wins — patience is rewarded with bigger payouts.
The maximum win on Double Stacks is 1000x your bet. With a £1 bet, that means a potential payout of £1000.
Double Stacks was developed by NetEnt, a licensed game provider known for creating high-quality casino games with fair and certified random number generators.
You can play Double Stacks for real money at licensed online casinos. Check our 'Where to Play' section above for recommended casinos and current bonus offers.
Set your stake, press Spin, and match symbols across the reels. Land special symbols to trigger free spins and bonus rounds. The maximum payout is 1000x your bet. Try the free demo on games.to before playing for real.
Yes. Double Stacks uses a certified Random Number Generator (RNG) tested by independent auditors. It was developed by NetEnt, a licensed game provider. Always play at UKGC-licensed casinos for player protection.