Treasures of Mjolnir

Treasures Of Mjolnir: What's The Game About?

Treasures Of Mjolnir is a Norse mythology-themed slot from PearFiction Studios, built around Thor's legendary hammer and everything that comes with it, thunder, lightning, and a suitably moody Scandinavian backdrop. Played on a 5-reel, 4-row grid with 20 paylines, it's a game that leans into atmosphere as much as mechanics.

Theme And Gameplay Feel

The presentation is genuinely immersive, with a fitting soundtrack and dramatic Nordic landscapes framing the reels throughout. The base game features expanding Wild Bursts that unlock progressively every 50 spins, starting with simple electric zones before building up to wild stacks, multipliers, and symbol removals as players work through the tiers. It's a slow-burn structure that rewards extended play sessions with an escalating set of tools.

RTP: What It Means For Players

Treasures Of Mjolnir carries an RTP of 96.01%, a solid figure that sits right around the healthier end of the market average, giving players a fair foundation to build on.

Volatility And Hit Frequency

This is a high volatility slot, backed by a hit frequency of 21.21%, so winning spins land a little more than once every five spins on average. That combination fits the game's headline mechanic well: the UpZones LockNWin feature, which can trigger randomly or via a Bonus Wheel, lets coins collected in expanding reel zones be boosted, multiplied, or cashed in for payouts. Jackpot coins collected this way can also spark a Jackpot Wheel carrying fixed prizes up to the game's win ceiling.

Max Win And Betting Range

The maximum win available is 5,000x the stake, and stakes run from 20p up to £/€50 per spin. Players can also buy direct access to any of the four LockNWin tiers, with pricing that scales alongside the feature level, giving a shortcut into the game's bigger moments for those who'd rather skip the build-up.

Verdict

Treasures Of Mjolnir is a well-executed, thoroughly layered slot that leans on mechanics familiar from PearFiction's earlier releases, applied here to a simpler 20-payline layout rather than a thousands-of-ways structure. It won't feel entirely fresh to players who know the studio's back catalogue, but the Norse theme is well realised and the progressive LockNWin structure gives it real depth. Try the free demo at johnessyslots to see the thunder-charged features in motion before deciding whether to wager for real.