Hammerstorm Slot Review & Free Play

Hammerstorm: Heed Thor's Warcall and Increase Your Wins up to 10,000x Your Bet

Fight with fervour and enter the gates of Valhalla to get Thor's favor in Pragmatic Play's Hammerstorm slot. Summon Thor on your grid and send Mjolnir to call bolts of lightning to trigger bonus game respins and have a chance at the 10,000x maximum payout.

This slot is played on a 5x3 grid that expands during the bonus round, with 40 active paylines. You get notable features during the base game, like the Thor symbol, which appears exclusively on reel 1, and combined with a lightning money symbol with values between 0.5x and 10,000x your bet, it triggers the bonus respins game. 

Let me start with the downsides. The base game payout wasn't amazing for a 96.5% above-average RTP game, and I was really bummed. Most of my payouts ranged between 0.25x to 1x my bet, with a few exceptions of a few 8x and 10x wins helped by the wilds. However, the fun started once I triggered the respins, which happened after 70 spins or so.

There are three types of modifiers that can be combined during the bonus game. I got to try every type of combination, but let me tell you more about the most notable sessions. 

So, basically, the bonus game is played on a 5x5 grid. Thor comes and lands in a 2x2 position on the grid and then collects the coin and lightning money symbols while moving to their position. All lightning symbols that are collected contribute to a meter bar, which, if filled, will increase Thor's size. 

I got to do that in my first session, with the Expand and Spins modifiers active. I got a maximum of 29 respins because of the modifier. Thor reached a 6x5 size, as the Expand modifier upgraded the grid to a 7x6 structure. At the end of my bonus game, I managed to get a 95x payout. 

The second time, the Double feature was active, and I managed to get the Gold Coin and Lightning money symbols with double the value. Even though the payout was smaller than the previous session, it still reached a nice 89x payout in 19 respins. 

You also get the option of the ante bet, which grants you a guaranteed Thor symbol on every spin for a 50x price, and 5 guaranteed lightning money symbols for 100x your bet. I thought they were a bit expensive for what they had to offer, though. 

Overall, this slot kept my wallet within a positive balance range because of the respins bonus rounds, but the base game lacked in payouts. However, with a 96.5% above-average RTP, Hammerstorm has the potential to get you nice combinations across the board in both base and bonus games.