Casino Bonuses

| Provider | Thunderkick |
| Reels | 7 |
| Rows | 7 |
| Paylines | Cluster Pays |
| Bonus Rounds | 7 |
| Bet Range | 0.10 - 100 |
| Volatility | High |
| Max Win | 10,000x |
| Bonus Buy | Yes |
| RTP | 94.13% |
| Our Rating | 7.0 |
Latest Slots

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review

Demo & Review
Slot Overview
The Hammer Blaze slot by Thunderkick is a Greek-mythology-themed slot based around spot multipliers, reel cascades and free spins. Can you defeat the mighty Medusa and win the top prize of 10,000x your bet. Join Team Demoslot as we unpack this game in our full review.
Gameplay & Bonus Features
Thunderkick’s Hammer Blaze is a 7×7 grid slot where clusters of 5 or more matching symbols connected anywhere adjacently within the grid will award a payout. Betting options begin from a low of €0.10 to a maximum of €100, whilst the game delivers a poor and below-average RTP of 94.13%. Alongside the cluster pays, the game uses an avalanche system where winning symbols are removed from the grid and replaced by new ones dropping in from above. This can lead to consecutive wins within the same spin as long as new clusters continue to form.
A key part of this sequence is the Exploding Wild. These can appear at random or be generated within a winning cluster, and when they activate, they clear a 3×3 area around their position. This not only removes symbols but can open up space for further avalanches, giving the spin a chance to build beyond the initial win.
Multiplier Grid
Beneath the reels sits a multiplier grid that starts with a value of 2x in each position. Whenever an Exploding Wild overlaps with this grid, the multipliers on the affected cells are increased, doubling each time up to a maximum of 128x.
As avalanches continue, these boosted multipliers can be applied to subsequent wins, meaning a single spin can grow significantly if multiple explosions occur in the same areas.
Bonus Game
The bonus feature is triggered by landing three scatter symbols anywhere on the grid, awarding 10 free spins. While the base mechanics remain the same, the multiplier grid becomes much more important during the feature.
In the base game, multipliers reset between spins, but during free spins they become sticky and remain active throughout the entire bonus. This allows multipliers to build over time, increasing the potential for larger wins as the feature progresses.
Bonus Buy
If you’re spinning from a jurisdiction that allows enhanced betting and bonus buys, you can choose from the following options:
- Bonus Boost: Each spin is 2 times more likely to trigger the bonus – Costs 1.3x the bet.
- Bonus Boost Plus: Each spin is 5 times more likely to trigger the bonus – Costs 2.2x the bet.
- Bonus Buy: Instant entry to the free spins – Cost 100x the current bet.

Theme & Design
Greek mythology is a well-trodden path in iGaming, with there being some real notable releases in the genre, like Pragmatic Play’s Gates of Olympus 1000 and Gates of Olympus Super Scatter.
Hammer Blaze takes a very different approach to the niche compared to those games, focusing in on Perseus and his battle with the snake-headed Medusa, which Thunderkick have presented very well across their super 7×7 playfield.
Pros
- Spot multipliers can increase winning combos.
- Good ante bet options.
- Uses well-known and popular mechanics.
Cons
- The RTP of 94.13% is poor.
- If Greek mythology isn't your bag, this won't be a game for you.
- The mechanics are popular but becoming oversaturated.
Final Thoughts
Thunderkick takes you on an almighty battle to challenge Medusa, and whilst you will find many in-game mechanics you know and love, these have now been used 100s of times before. So, the question is really, do you prefer this theme over what's already out there? And can you live with that low RTP of 94.13?
Good
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