Odin's Vault

Odins Vault Review

Braving Odin's Vault requires that you steel yourself for an extremely volatile ride, as Valkyrie Studio is hardly holding anything back with this Norse mythology beast of a release. Visually, it’s a significant step up from the predecessor, Loki’s Vault, released in late 2025, proving that Valkyrie is a rapidly evolving provider. The semi-realistic cartoon-style presentation comes across as clean and professional this time, featuring a mysterious Odin character by your side somewhere in the harsh snowy mountains of Norway.

While there are plenty of features to cover, let’s start with the basics. Odin's Vault plays out on a 5x6 grid with 28 paylines. You win by landing matching symbols across these paylines, starting from the leftmost reel. The 5 premium symbols consist of Odin’s raven, a white horse, a battle helmet, and a battle axe. These pay 3x to 25x your stake for 5 of a kind wins, while the rune royal symbols pay 0.4x to 1x your stake for the same. There are no Wild symbols to be found in Odin’s Vault, but don’t worry, as there are plenty of other special symbols.

Odin's Vault Reels Screen

The Odin’s Eye symbol is at the center of it all, as you need this symbol to turn random pay symbol types randomly into coin prize symbols worth up to 50,000x your stake or different special symbols. You can also get the max win coin, which immediately cracks the 500,000x win cap. Special symbols can deliver a global multiplier increase, which never resets in the bonus rounds. Other than that, you can expect different types of multipliers, coin upgrades, collectors, and symbol removal redrop modifiers.

The bonus round evolves across 4 tiers in Odin’s Vault, and all 4 can be triggered directly from the base game or reached through a bonus round retrigger upgrade during the feature. Each higher tier adds a new upgrade to the mix, and the highest-tier Mythic bonus round guarantees an Odin’s Eye symbol per spin. Odin's Vault is, as mentioned, a very high volatility slot game, featuring an above-average RTP of 96.7%, bet levels ranging from £0.10 to £50, and an eye-watering max win of 500,000x your stake.

Odin's Vault Features

While we have given you a brief overview of the features already, there are plenty of details to cover before you can confidently play this game knowing full-well what you’re up against. We encourage you to sample the features for yourself after reading about them, and the Odin's Vault free play demo is found at the top of this page. Let’s jump in!

Odin’s Eye, Mystery Symbols, & Special Symbols

When you land Odin’s Eye symbols, a random pay symbol is selected, and all present instances of that symbol turn into Mystery symbols. A single Odin’s Eye symbol may activate multiple times after landing, turning multiple symbol types into Mystery symbols. Mystery symbols reveal either a random coin prize symbol or a special symbol. Here is an overview of the special symbols:

• Max Win Coin - instantly awards the 500,000x max win.
• Global Key Multiplier - unlocks 3 multiplier reels that spin to award multipliers that boost both line wins and coin prizes.
• Board Multiplier - applies its own random multiplier (x2 to x20) to all adjacent coins.
• Coin Upgrader - removes the current lowest coin tier, starting with Bronze coins.
• Redrop - removes all pay symbols for a redrop.
• Collector - collects all present coin prizes and collector symbols.
• Super Collector - same as Collector but activates 2 times.
• Scatters - 3, 4, or 5 in view triggers bonus rounds.

Coin Tiers & Global Win Multiplier

There are 6 coin tiers in this game, namely Bronze, Silver, Gold, Sapphire, Ruby, and Diamond coins. The value of these coins ranges from 1x to 50,000x your stake, and, like regular line wins, coins can be boosted by the Global Multiplier. The multiplier is unlocked by the special key symbol (as mentioned above), and it unlocks 3 multiplier wheels above the grid. A red or white multiplier is then awarded, and the red multiplier boosts the multiplier values on the wheels to the left of itself (if any). The total multiplier is then added to the current global win multiplier, and the global multiplier does not reset in the bonus rounds.

4 Free Spin Bonus Round Tiers

There are 4 Bonus Round tiers in Odin’s Vault slot, known as Free Spins, Super Free Spins, Legendary Free Spins, and Mythic Free Spins. All 4 bonus rounds offer 10 free spins, and you can upgrade to higher tiers during the bonus rounds. Triggered by 3 scatters in view in the base game, the Free Spins bonus features a higher Odin’s Eye hit rate, increasing your chances of more coins and special symbols. The Super Free Spins bonus triggers from 4 scatters in view on a base game spin and plays out like the regular bonus except that symbols selected by Odin’s Eye are persistent. This means they land as coins or special symbols for the duration of the feature.

The Legendary Free Spins bonus triggers from 5 scatters on the same base game spin. It comes with a higher hit rate of Odin’s Eye symbols, with all symbols selected by Odin’s Eye being persistently transformed for the duration of the feature. In addition, the first coin feature you get is guaranteed to be the Coin Upgrader. Finally, the Mythic Free Spins bonus triggers when you land 5 scatters in a straight line or V-pattern in the base game. Here, Odin’s Eye is guaranteed to land on every spin in addition to all the benefits from the Legendary bonus round.

Odin's Vault Free Spins Win Screen

Bonus Buy (not UK)

The Bonus Buy menu is accessed via the button next to the spin button, right below the feet of the Odin character. It comes with the following options in Odin’s Vault slot:

• Bonus Enhancer - pay 3x your stake to increase your bonus round chances.
• Degen Bonus Enhancer - pay 25x your stake to increase your bonus round chances, with a bonus round upgrade guaranteed if a bonus round triggers.
• Bonus Buy - pay 200x your stake to get the 3-scatter bonus round.
• Super Bonus Buy - pay 1,000x your stake to get the 4-scatter bonus round.
• Trickster Spin - pay 75x your stake for a random amount of Odin’s Eye-upgraded symbols to be activated if, and only if, an Odin’s Eye symbol lands.
• FU Spin - pay 5,000x your stake to get a full screen of mystery symbols.

Theme & Graphics

Odin's Vault takes you high up in the freezing Norse mountains. The grid is framed by gnarled, leafless trees, and the air is filled with drifting snow. To the left, you’ll see a glowing, mystical rune-inscribed portal, partly covered by the grid and the large Odin’s Eye display. Standing tall to the right of the reels is the mighty Allfather himself, spear in hand with a pair of ravens perched on his shoulders. His presence deepens the sense of mystery oozing from this game, and you're taken inside his gold-filled vault in the bonus round. The grid is filled with ravens, battle axes, drinking horns, and other Norse mythology items, and the soundtrack is an understated ambience that matches the Odin character's stoic presence.

Odin's Vault Free Play

If you feel like taking this game for a spin already, you can head to the top of the page, where you’ll find the free Odin's Vault demo. If you want to purchase the most expensive FU Spin feature, you need to play with the lowest bet setting. Also, this will empty your play money bankroll, so you may need to restart the demo to get a decent sum to play for again (unless you win a large sum, that is). Anyway, we hope you also take the time to read our verdict of the game below. This way, you can tell us in the comments field whether or not you agree with our opinion of the game. When your Odin's Vault free play session is over, casinos carrying this title await below the demo game.

Pros and Cons of Odin's Vault

Our Verdict

Valkyrie Studio is already well-versed in the Norse mythology genre despite being a relatively new studio, but that is hardly surprising given their Norse-inspired company name. You cannot accuse them of tiptoeing onto the scene either, as Odin’s Vault is a volatile beast that often feels as cold and unyielding as the frostbitten backdrop. I was immediately pulled in by the clean, semi-realistic cartoon-style visuals, as well as the charismatic Odin character they have crafted for this release. The game gives the impression that this is a studio that knows what they want.

This is not all that surprising either, since they are tailoring their games to the needs of their exclusive partner Stake Casino. The engine may be feature-dense with all the different special symbols. However, don’t expect to see all that many bells and whistles in the base game. Odin’s Vault is about as volatile as they come, and I grinded through plenty of longer dead spin patches in my test session. The Trickster Spin buy option can be tempting, but it can easily drain your play money bankroll before you see a single Odin’s Eye symbol.

Even the 5,000x FU Spin buy option is no guarantee for larger wins, and it can definitely live up to its acronymical meaning. Regular line wins are moderate at best in Odin’s Vault, at least without a decent global win multiplier. Everything revolves around the Odin’s Eye symbol turning pay symbols into coin prizes and special symbols. The coin prizes can deliver impressive payouts topping out at 50,000x (without multiplier action), and the allure of the 500,000x max win coin is ever-present. Still, expect mostly bronze and silver coins most of the time, and sometimes a few gold coins tossed in for good measure.

It all sounds overly complicated when you read about it, but it boils down to line and coin wins being upgraded and boosted in different ways. The dynamic shifts once you enter into the 4-tiered bonus round structure. The value increases dramatically per tier, as indicated by the leap from 200x to 1,000x in the price tag of the 2 lowest-tier features. With a persistent global multiplier (if unlocked) and more frequent Odin’s Eye features, things can escalate quickly on a good day. Being mentally prepared for the volatility is key to enjoying Odin’s Vault slot, though. Otherwise, you will get frustrated from a bonus round dud after wading through those ice-cold dead spin patches in the base game.