Double Stacks
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Our Review of Double Stacks
Double Stacks Slot Review
Double Stacks by NetEnt is a classic 5x3 slot that brings vibrant fruit and diamond symbols to life. The game features the Double Stacks feature, where landing a full stack of symbols on any reel doubles all symbols on that reel. This can lead to significant wins, especially during the Free Spins feature where stacked Wilds can also double. With a 96.1% RTP and a hit frequency of 16%, players can expect a balanced gameplay experience. The game offers a max win of 1,700 times your bet, making it appealing to those who enjoy traditional slot action with a twist.
✓ Pros
- •Classic slot theme with vibrant symbols
- •Double Stacks feature for potential big wins
- •Free Spins with stacked Wilds
✗ Cons
- •Limited paylines
- •No multipliers
Bottom Line
Andrew
Engineer, Slots Player, Family Man
Reviewed on July 8, 2026
Slot Details
| Provider | NetEnt |
| Release Date | Sep 2018 |
| RTP | 96.1% |
| Max Win | 200,000x |
| Reels | 5 |
| Rows | 3 |
| Paylines | Fixed |
| Hit Frequency | 16% |
| Min Bet | $0.01 |
| Max Bet | $2 |
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Frequently Asked Questions
What is the max win in Double Stacks?
The maximum win in Double Stacks is 200,000x your bet. This is the theoretical ceiling calculated over a full RTP cycle — it represents a rare best-case outcome, not a typical session result.
What is the RTP of Double Stacks?
Double Stacks has an RTP (Return to Player) of 96.1%. A higher RTP means a better theoretical long-term return to players — 96.1% means the game returns 96.1 cents per dollar wagered on average over millions of spins.
Does Double Stacks have a bonus buy feature?
No, Double Stacks does not have a bonus buy feature. Bonuses are triggered through regular gameplay only.
Is Double Stacks mobile-friendly?
Yes, Double Stacks by NetEnt is fully optimized for mobile devices and can be played on smartphones and tablets.
Andrew Mueller is the founder of SlotsOnFire and holds a B.S. in Electrical Engineering (BSEE). Since 2008, he has leveraged his analytical background to deconstruct complex slot mechanics, focusing on the mathematical integrity and algorithmic logic behind RNG systems.
This page was last updated on . Information is accurate as of the update date.