- All Slots Online Casino ›
- Pragmatic Play ›
- 🔥 Timber Stacks™
Timber Stacks (Pragmatic Play) – Review & Demo Play
Best Timber Stacks Casinos
Timber Stacks from Pragmatic Play play free demo version ▶ Casino Slot Review Timber Stacks ✔ Return (RTP) of online slots on December 2025 and play for real money✔
The Timber Stacks Slot Game
As a long-time spinner, Timber Stacks lands me in a meadow with pines and snow-capped peaks, then lets the reels topple like felled trees. It runs on a 5x5 layout that can stretch up to 10 rows, bringing as many as 100,000 ways. The core features are Tumble, Increasing Grid Size and Free Spins. There is also an Ante Bet and a Buy option priced at 120 times the stake for straight entry to the bonus, when available in your region.
Stakes range from 0.20 to 240 per spin, and wins land by matching symbols on adjacent reels from the left. On the default grid there are 3,125 ways, so chains can build quickly once tumbles kick in. The setting is calm, with wolves, bears and owls providing the premium pays, while card ranks cover the lows. It looks clean, plays briskly, and the falling effect ties the theme to the mechanics in a neat way.
Symbols and Payouts in Timber Stacks
There are ten regular-paying and two special icons on the reels. The prize table scales with your selected stake, so the values below reflect multipliers. Low wins come from 10, J and Q, paying 0.1x to 0.8x for five. K and A sit higher at 0.2x to 1x for five. Payouts follow the all-ways system, so three or more matching symbols connecting from reel one is the key. Tumbles can then pull extra hits from the same spin.
The high pays fit the wildlife theme. Fish and puma return 0.4x, 0.8x and 1.5x for three, four and five. Owl pays 0.5x, 1x and 2x. Bear pays 0.6x, 1.5x and 4x. Wolf is the top symbol, paying 1x for three, 3x for four, and 10x for five. These figures appear frequently across trusted summaries, and they match my experience in the demo, where wolves drive the best chains when the grid widens.
The wild is a mountain vista and drops only on reels two, three and four, substituting everything except the scatter. The scatter is a green paw on a golden coin, present on all reels and used to launch the free spins. Wins count on adjacent reels from the left, so wilds in the middle can swing a near-miss into a paying way. When tumbles clear a path, the same spin can throw up several extra connections.
Timber Stacks Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
|
| 5 | x10 |
| 4 | x3 | |
| 3 | x1 | |
|
| 5 | x4 |
| 4 | x1.5 | |
| 3 | x0.6 | |
|
| 5 | x2 |
| 4 | x1 | |
| 3 | x0.5 | |
|
| 5 | x1.5 |
| 4 | x0.8 | |
| 3 | x0.4 | |
|
| 5 | x1.5 |
| 4 | x0.8 | |
| 3 | x0.4 | |
|
| 5 | x1 |
| 4 | x0.5 | |
| 3 | x0.2 | |
|
| 5 | x1 |
| 4 | x0.5 | |
| 3 | x0.2 | |
|
| 5 | x0.8 |
| 4 | x0.4 | |
| 3 | x0.1 | |
|
| 5 | x0.8 |
| 4 | x0.4 | |
| 3 | x0.1 | |
|
| 5 | x0.8 |
| 4 | x0.4 | |
| 3 | x0.1 | |
|
|
Scatter | |
|
|
Wild | |
Timber Stacks Slot Bonus Features
After any win the Tumble feature removes the paying symbols, drops the remaining icons, and fills gaps with new ones. When no more wins remain after a spin or a tumble, the Increasing Grid Size can fire. A blank row is added at the bottom and a random reel topples to fill it. Reels one or two fall right, four or five fall left, and reel three goes either way. The grid can reach 10x5 and 100,000 ways.
Free spins arrive with four or five scatters for eight or ten spins. During the round the Increasing Grid Size remains available and behaves like the base game, often showing up more. If you want quicker access, Buy Free Spins costs 120x total bet and drops four or five scatters on the trigger. Ante Bet raises the cost per spin by 25 percent and adds more scatters to the reels, improving the chance of landing the feature.
How to Win at Timber Stacks Slot
The slot uses a 5 by 5 layout to start, with 3,125 winning ways. Press Spin to play a round, or set Autoplay for several rounds in one go. Quickspin or Turbo can make the reels cycle faster. Stakes can be adjusted between 0.20 and 240 through the bet menu. Check the paytable via the i button for symbol values and rules. As the grid expands during sequences, the number of ways can climb as high as 100,000.
Timber Stacks Slot RTP & Volatility
Timber Stacks runs on a highly volatile model, so payouts can be patchy, then swing hard when the features line up. The Timber Stacks RTP is rated as 96.05 percent in the materials I used, which sits about level with many modern releases. The max exposure is 10,000 times the stake, achieved through long tumble chains and extra rows during stronger sequences. If you use the Buy option or Ante Bet, the maths profile stays the same.
In practice the hit rate hovers near one in four in the base, and the free spins tend to land about once in every 439 rounds. That pattern mirrors my sessions, where the bigger swings arrived when the grid stretched to 10 rows and the wolf linked across. If you prefer steadier returns, this one may feel spiky, but the moments where the meadow floods with ways can carry a session when the timing is kind.
The Final Thoughts on Timber Stacks
Pragmatic Play has turned out a good-looking, nicely functioning release here. It won’t win awards, yet it rarely puts a foot wrong. The expanding grid and tumble wins carry the game, while free spins add pace rather than new layers. I’d have liked a small extra to spice up variety, but the 10,000x ceiling and frequent chains keep me engaged. High variance and the top bet might rule out some sessions, though the meadow setting softens the ride.
Gallery of video and screenshots of the game
Other slots from Pragmatic Play:
We have 740 slots from the provider Pragmatic Play in our database. We recommend you check out other slots from Pragmatic Play:
Other Casino Software Providers
We also have slot machines from other casino software providers in our database. Many of them can give you a whole new perspective on slots gambling
References:
Mark Rylance
Editor in Chief and Developer – AllSlotsOnline.Casino
Gambling is one of my main passions in life and I strive to help players find the best place to relax and get excited about gaming.
Last updated 19.12.2025 by Mark Rylance