Highlights
- Up to 100,000 ways to win
- Max win multiplier of 10,000x
- Free spins bonus
Contents
Timber Stacks Slot Overview
Timber Stacks is a nature-themed video slot from Pragmatic Play hat uses an expanding-grid mechanic. Winning cascades can randomly add an extra row to the bottom of the 5-reel layout.
The grid can keep expanding until it reaches ten rows, creating up to 100,000 ways to win.
Graphics & Theme
The reels sit in a meadow with mountains behind, populated by wolves, cougars and bears. Symbols are brightly coloured and crisp, while country-style music and animal sound effects reinforce the North-American setting.
RTP & Volatility
This is a high-variance slot with an RTP of 96.05%.The maximum win is 10,000x stake.

How to Play
- Select your stake with the coin tab. Minimum bet: 20p per spin.
- Open the ‘i’ button to view the dynamic paytable.
- If needed, set time-out or self-exclusion limits via the responsible-gaming menu.
- Use the three-bar menu to adjust sound and other preferences.
How to Win
- Three to five identical symbols create a win.
- The wolf is the top regular symbol, worth 10x stake for five of a kind.
- The bear pays 4x for five, followed by the owl, big cat and fish.
- Playing-card symbols pay up to 1x stake.
Wild Symbol
Wilds substitute for all regular symbols and land on reels 2-4.
Expanding Grid
After a non-winning cascade, the grid may add one extra bottom row. Expansion can repeat until the layout reaches 10×5 (100,000 ways).
Slots With Expanding Reels
View allScatter & Free Spins
The scatter triggers free spins. Four scatters award 8 spins; five scatters award 10 spins. The expanding-grid mechanic and cascades remain active during the bonus.
Top Nature Slots
Top Nature Slots
Timber Stacks Slot Summary
Timber Stacks combines bright visuals with tumbling reels and a randomly expanding grid. The free-spins round retains the same mechanics, and the top win of 10,000x plus up to 100,000 ways gives the game significant payout potential.
Disclaimer: Timber Stacks trademark / license is owned by Pragmatic Play. This site is not endorsed by Pragmatic Play.
| Slot Name: | Timber Stacks |
|---|---|
| Software: | Pragmatic Play |
| RTP: | 96.50% |
| Volatility: | High volatility |
| Paylines: | 3125 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £240 (GBP) |
| Top Win: | 10000 |
| Features: | Wild Symbol, Scatter Symbol, Free Spins, High volatility, 5 Reels, Cascading, Multiple Reel Sets |
| Themes: | Animals, Wolves |
| Last Update: | 28/04/2025 |
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Yes. Pragmatic Play have a UKGC license and are allowed to offer their games at UK licensed casinos. |
FAQs
Is there a free spins bonus in the Timber Stacks slot?
Yes, players must land four or five scatter symbols during the base game to trigger eight or ten bonus spins. During the free spins bonus, there are cascades after wins that could see more winning symbols fall into place. You can also experience a randomly expanding grid onto which different reels can fall and include up to five more symbol positions each.
How many ways to win are there in the Timber Stacks slot?
The standard grid starts with five reels and five rows with 3,125 ways to win; however, this grid can expand and lead you to have the payout potential offered by 100,000 ways to win. The expanding grid feature can trigger randomly after any spin or tumble when there are no more combinations of winning symbols on the reels.
How does the expanding grid feature work in the Timber Stacks slot?
When this feature is triggered, an empty row is added to the bottom of your grid. A random reel is also chosen to fall. If the first or second reels are chosen, symbols will fall from them to the right and fill any empty positions. If the third reel falls, symbols can fall to the left or the right. If the fourth or fifth reels fall, the symbols will fall to the left. After the tumbles end, the grid will return to its standard 5x5 size.
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