Eager Beavers
By Thunderkick
Eager Beavers invites you to play on 6 reels and up to 10 rows thanks to its clever expanding reels feature. On the fully expanded grid, this slot offers 1,000,000 ways to win. The RTP of 94.29% and high volatility make this game a better choice for bigger bankrolls, but the potential top payout of 10,000x is a juicy prize. The best part is the Cash Bonus game which is like a cash collect with coins worth up to 100x, upgraders, collects and builders that grow the reel area.
| Game Name | Eager Beavers |
|---|---|
| Developer | Thunderkick |
| Theme(s) | Animals |
| Release Date | 21.08.24 |
| Rows | Up To 10 |
| Reels | 6 |
| Paylines | Up To 1,000,000 |
| Volatility | High |
| RTP Rate | 94.29% |
| Max Win | 10,000x |
| Min Bet | £0.10 |
| Format | 6-Reel, Expanding Reels |
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Review Scorecard
What Our Reviewer Says …
A tough play with high volatility but plenty of power in the cash collect bonus round.
What We Like
- Fun, clever theme with expanding reels up the waterfall
- Powerful cash collect round with 100x symbols
- High 10,000x max win
- Up to 1,000,000 paylines to win on!
What We Didn't Like
- RTP is just 94.29%
- Can be a tough play due to volatility
Theme and Design
This slot feels really cohesive. The expanding and contracting grid works perfectly. with the dam-making instincts that beavers have. The golden stone and the dark green fir trees make you feel as though you’re in the American wilderness. The animations are fun but not intrusive. It all works seamlessly together.

Real Time Gaming and ELK Studios have already made their take on the beaver theme, with Builder Beavers and Dam Beavers respectively and this one definitely shares some of the feel of Builder Beavers. However, it still manages to feel like its own game.
RTP and Variance
With an RTP of 94.29% this isn’t a slot that can score all that highly in terms of RTP. This combined with high volatility means that Eager Beavers will be leaving any beavers with a smaller bankroll a little less than eager.
Maximum Win
The top payout of 10,000x your stake is a large enough carrot to attract most players, even with the ‘unfriendly’ RTP. Sure, there are a handful of other games that promise bigger top prizes, but beyond sticking a progressive jackpot on it, this max win is pretty excellent.
Symbols and Paytable
Played on a 6-reel grid that dynamically adjusts to display 2 to 5 symbols per reel, this slot starts with between 64 and 7,776 ways to win, potentially expanding to an impressive 1,000,000 ways when all reels reach full height. Wins are formed by landing 3 or more matching symbols in adjacent positions from left to right, with no gaps in between.

The game features 14 pay symbols in total, along with Wild and Scatter symbols. The low value symbols are J, Q, K, A, and four fruits. 6 of a kind pays between 0.4x and 0.5x the bet. The premium symbols consist of various beavers in different colours: purple, green, orange, and red. 6 of a kind pays between 1x and 5x the bet.
Wild symbols can substitute for any regular pay symbol and, if you land 6 of them, they award 5x the bet. Scatter symbols, represented by gold nuggets, trigger special features that we’ll come onto next.
Features and Gameplay
Eager Beavers has a bunch of great mechanics, mostly revolving around different special wilds. Let’s take a look at how all of the features work.
Wild Symbols
Wild symbols can substitute for all other symbols except scatters and special wilds. This enables you to make more wins.
Cascades
Every time you make a win the symbols involved in the win are removed and then new symbols drop into the empty spaces from above. Every time a win is made from a cascade, an extra symbol appears at the top of each reel that was part of the winning combo. The cascades continue until no new wins are made, while the reels continue expanding until no new wins are made or they reach a maximum height of 10 rows.
Special Wild Features
There are two different special wild features in the game and whenever one of them is part of a winning way its feature triggers. Special wild features don’t have an effect on scatters, wilds, or other special wilds. The following are the special wilds:
- Wild Splash (fish): picks a random symbol on the reels and transforms all of that symbol into wilds.
- Wild Fall (log): causes a random number of wilds to land on the reels. They can be single or stacked.

Wild Rapids
Another fun feature that’s packed with wilds is Wild Rapids. This can occur randomly, when it does, placing a random number of wilds at the top of at least one reel.
Cash Bonus Game
If you land three scatter symbols - the one with BONUS written across it - then this triggers the cash bonus game. Ordinary reels are replaced by special reels that can only land special symbols. The special symbols work as follows:
- Cash Values: these are worth 1x the bet up to 100x the bet.
- Collect: these collect all cash values on the current reel and then removes them.
- Super Collect: these collect all cash symbols from all reels and then removes them.
- Upgrade: these multiply all cash values on the current reel by x2, x3, x4, or x5.
- Super Upgrade: these multiply all cash values on all reels by x2, x3, x4, or x5.
- Build: these increase the height of the current reel by a random number (up to a max of 10 rows).
- Super Build: these increase the height of all reels by a random number (up to a max of 10 rows).
At the end of the round, once ALL positions are filled, then the total number of coins is added up and the value paid out.

Bet+
There are three different options where you can increase your stake in order to become more likely to trigger the bonus game. The RTP range for this option is from 94.35% to 94.44%.
- Bonus Boost: costs an additional 30% but makes each spin twice as likely to trigger the bonus game.
- Bonus Boost Plus: costs an additional 120% but makes each spin five times as likely to trigger the bonus game.
- Bonus Boost Ultra: costs 350% of the bet but each spin is ten times as likely to trigger the bonus game.
Final Verdict
Eager Beavers takes the lovable beaver and encourages its dam building to great effect with its expanding reels. During the Cash Bonus game there’s room to make some huge wins (up to 10,000x your stake) thanks to the special symbols which can multiply, upgrade, and collect your wins. However, it’s not all about the bonus round. The special wilds can land in the base game and offer some big payouts themselves, triggering more wilds to land and transforming symbols into wilds to help you make use of the 1,000,000 win ways this game offers.
The high volatility and pretty low RTP of 94.29% are a bit of a downer, but if you’re the kind of player who enjoys high paying mechanics and the chance to shoot for a generous top prize, that shouldn’t get in the way of you trying out Eager Beavers.
Testing Notes
Test spins and results analysis by Mark Wadie.
Results from 100 spins for free on Eager Beavers on Thunderkick’s test servers.
- Stake Size: 1
- Start balance: 5,000
- End balance: 5,117.70
- Hit Rate: 15% (15 winning spins in 100)
- Biggest Win: 161x
- Bonus Round: 1
As expected, Eager Beavers was a rough ride, with a low win rate of just 15% and plenty of dead spins. However, it did finally come good with a bumper 161x win in the bonus round. The base game can be frustrating. Like all cascading wins games with expanding reels, you’re looking to build runs of wins that grow the win ways much higher to give you big cumulative payouts. But it’s hard to do, most sequences stopped after 1 or 2 wins.
And those wild features that are there to help you are rare. I saw 1 of each – Wild Fall, Wild Splash and Wild Rapid – in 100 spins. So don’t expect to see a lot of them. And none of them did anything spectacular, just dropping a couple of extra wilds into play.

The free spins round turned out very well though. The special symbols are good and they can really power up the total payout if they land your way. Whilst 161x is miles short of the 10,000x max the game can produce, it’s not a bad result either. The trick is to land the powerful symbols like Super Collects, Super Upgrades and Super Builds. In particular the Super Upgrades worked well for me introducing 3x multipliers that boosted the value of all coins on their reel.
Take Aways? This is a good slot if it goes your way. There is certainly tons of potential in the bonus round. However, its volatility should not be taken lightly. Before that big win I was finding it tough going. So beware.
Who Made Eager Beavers?
- Name: Thunderkick
- Established: 2012
- UK License: 40165
- Total Games: 55
- Known For: Quirky, eccentric slots with fun features and distinctive designs
- Popular Slots: Pink Elephants 1 and 2, Flame Busters, Birds on a Wire











