Thunder Reckoning Slot Review

If you've been playing slots for a while, you've probably noticed how developers love to recycle mechanics. With Thunder Reckoning, a winter Norse mythology slot, PG Soft works the same position-memory idea as its own Funky Fortunez, on a bigger board and with a higher cap. Instead of settling for simple multipliers, this game uses cash prizes that merge into big blocks.

It's a really cool concept, but after spending some time with it, it definitely has its pros and cons.

The core gameplay revolves around marking spots on a 6x5 grid. When you land a winning combo, it leaves a "partial mark" on those spaces. If you manage to get a second win on those exact same spots during a cascade, they fully activate. Once the cascades are over, any activated spots that are touching will merge into a Prize symbol, anything from a single square to a massive 5x6 block. It pays out a cash multiple and then vanishes.

In theory, it sounds great. In practice? It's tough to pull off in the base game. Because the board wipes clean after every spin, getting back-to-back wins on the exact same spots requires a lot of luck.

I never triggered the bonus myself, so the base game is what showed me the payouts. They aren't huge. My best base game hit returned about 9x my stake (from a 2x2 block and nine single cells), and my second best was a 6x payout. Blocks bigger than a single square were a rare sight outside of the bonus, so you're really just treading water while waiting for the feature.

(Note: The version I played didn't sell a Bonus Buy, though the studio's own game document describes one, so some casinos may offer it).

If you manage to land three Scatters, you get 10 free spins (plus two more for every extra Scatter). This is where the game finally cuts you some slack.

During the bonus, the map shifts heavily in your favor. Every position on the board starts out half-activated, meaning you only need one win on a spot to fully light it up. Better yet, the marks are persistent. They don't wipe clean between spins; they stay lit for the entire round.

The downside is that you don't get paid spin-by-spin for these blocks. The game waits until your free spins are completely over, and then cashes out whatever massive blocks you've managed to build across the whole feature. It builds a ton of suspense, but it also means you are holding your breath until the very last second to see if the bonus actually paid off.

If you're trying to figure out if this game is for you, it helps to compare it to what's already out there:

• Vs. Funky Fortunez: Both turn a spot won twice into a cash Prize. Thunder Reckoning goes from a 4x4 cluster to a 6x5 scatter-pays board, bumps the max win cap from 2,000x to 5,000x, and adds the merging block mechanic.
• Vs. Other PG Soft Games: It sits at medium volatility, where Forge of Wealth is rated high, and while it shares the same volatility as Touchdown Wins, the gameplay feels totally different since it relies on the board map rather than a multiplier bar.
• Vs. Other Studios: Games like GameArt's Sugar Loot Spark or Microgaming's Whale Rush use similar memory mechanics, but those games leave behind multipliers that boost standard symbol wins. Thunder Reckoning is different because the glowing blocks on the board are your cash prize, rather than just a boost.

Thunder Reckoning is a really clever take on the position-memory mechanic. On paper, the way the board builds up during the free spins should make for a great climax at the end of the round, though I never got to see it. However, you have to be patient. It's definitely worth a spin.