Hammerstorm
Hammerstorm Free Slot Demo review
Hammerstorm is a Viking-themed game featuring Thor’s hammer and lightning. Three boxes above the grid collect lightning until they open the respins, and during the respins a moving collection zone sweeps up the prizes. You can launch it right away as a free slot on AI Slot.
Hammerstorm official video
Base game
A 5×3 grid with 40 paylines, and a base win comes on average once every 3.8 spins. When red, green, and purple lightning symbols land, the Double, Expand, and Spin boxes at the top each collect them. Any of these gems can randomly open the respins, and they also open when the Thor symbol on reel 1 lands together with a lightning symbol.
Three modifiers
Double adds gold coin and lightning symbols so you collect twice, and Expand grows the respin grid from 5×5 to 7×7. Spin adds +1 spin symbols to the reels. When they open randomly, up to all three can be active together.
Respins
Respins start at 5, and you enter on average once every 102 spins. On every respin, a 2×2 collection zone appears in a random position and collects the coins and lightning symbols that land inside it. Each time you collect 5, 4, or 3 lightning symbols, the zone grows to 3×3, 4×4, or 5×5 and you gain 3, 2, or 1 extra respins. Symbol values go up to 10,000x.
Bet options
There is no bonus buy, and ante-type options are listed at 25x and 50x. The bet range is 0.2 to 240. Wins over 1,000x are about 1 in 1.46 million and the 10,000x max is about 1 in 1.58 million, so the two figures are listed as quite similar.
Who it's for
Listed as low volatility, this Pragmatic Play slot suits players who want to see respins often and enjoy watching the collection zone grow.
Pros
- Respins come often, about once every 102 spins
- The collection zone grows in stages and respins increase
- Modifier combinations make the respins look different every time
Cons
- No bonus buy
- Wins over 1,000x are listed as very rare
Hammerstorm Free Slot Demo 전체 스펙
| Providers | Pragmatic Play |
|---|---|
| Release date | 2025.12.11 |
| RTP | |
| Volatility | |
| Reel layout | 5×3 40 lines |
| Max win | |
| Bet range | 0.2 – 240 (Ante max 12000) |
| Bonus Buy | None |
| Ante Bet | 25x / 50x |
| Base hit frequency | 1 / 3.77 |
| Free spin odds | 1 / 102 |
| Odds of 1,000x+ | 1 in 1.46 million |
| Max win odds | 1 in 1.58 million |
| Mechanics | Bonus game, expanding wild, free spins, growing wild, multiplier, respins |
| Theme | Adventure, Celtic, Gods, History, Treasure, Viking |
Key features
FEATURESCollection zone
Appears in a random position on each respin and collects prizes.
Double
Adds gold symbols so you collect twice.
Expansion
Grows the respin grid from 5×5 to 7×7.
Spin
Adds +1 spin symbols to the reels.











