Iron Bank

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  • Loads of bonus features
  • Top prize of 49,999x
  • Fun and unique theme
  • Is there such thing as too many bonus features?
  • Highly volatile gameplay

Iron Bank is a slot developed by Relax Gaming with 4096 Ways to Win. Features include mystery symbols, respins, expanding reels, free spins, mystery symbols, increasing wild multipliers and sticky symbols. The RTP of this high volatility slot is 96.2% and its top prize is worth 49,999x.


Iron Bank is an online slot that has been created in conjunction with Relax Gaming and Casino Grounds, with 4096 Winning Ways and an impressive 49,999x top prize. The slot comes loaded with bonus features and three different free spins bonuses, which are sure to keep you entertained as you spin the reels.

Theme and Graphics

Iron Bank from Relax Gaming has a fun and interesting theme. It’s not just your average heist game; it’s set in Cuba and it stars a suave-looking leopard breaking into a bank vault. This is kind of like a sequel to Zootopia, with a lot of edginess.

Overall, it’s a great-looking slot. The unique theme and art design are great, and there are even some references to streaming (such as “big wins” being referred to as “printing”) – so, it’s a slot that really holds your attention.

Iron Bank

Iron Bank Slot RTP and Variance

The RTP (return to player) of Iron Bank is 96.20%, and it is a high variance slot with an impressive top prize of 49,999x.

How to Win

Landing three or more matching symbols on adjacent reels will trigger wins in this slot. In total, there are 4096 winning ways, and the biggest paytable win in Iron Bank is worth 2000x – paid out by the vault bonus symbol.  

To help you land wins, the leopard is the wild. He appears in stacks but doesn’t offer his own individual payout.

Base Game Features

There are three base game features that you can trigger while playing Iron Bank slot:

  • Random Bonus Symbols: at the start of a spin, between 1 and 3 bonus symbols may be added to the reels
  • Random Mystery Symbols: a number of mystery symbols are added to the game
  • Full Reel Wilds: these special wilds appear on the 2nd, 3rd, 4th and 5th, reels, and they expand to fill them fully

Free Spins

When you land three or more scatters on the reels, you’ll trigger the free spins round. You can choose from three different bonuses, and you’ll receive a payout depending on the number of scatters:

  • 3 scatters: 20x
  • 4 scatters: 200x
  • 5 scatters: 2000x

These are your three options:

Mystery Symbols

You get 8 free spins where one symbol is chosen to become a sticky mystery symbol. When these symbols appear on reels 2 through 6, they’ll stay in the same place for the remainder of the bonus. Once an entire reel is full of sticky mystery symbols, you’ll get one more free spin.

Expanding Wilds

10 free spins are awarded, where all wilds that land on reels 3 and 4 expand while awarding a respin – kind of like in Starburst. Any win you land will increase each wild’s multiplier for that respin.

Multiplier Collect

12 free spins are awarded, where landing coconut crate symbols increases the game’s wild multiplier. Whenever you land 2 crates on a reel, the multipliers on that reel’s wilds will increase by 1x. Once you’ve filled a reel’s progress meter, you’ll get 10 more free spins.

Iron Bank Slot Review

Iron Bank from Relax Gaming is an online slot that comes jammed packed with bonus features and allows players to unlock some very impressive winning potential.  If you’re a more traditionalist in terms of slot games, then you might be a bit overwhelmed, but there really is lots of love about this game.

While the base game bonuses and the free spins rounds aren’t totally innovative in and of themselves, the combination of all 6 of them is what really draws you into the gameplay. It’s a bit like playing games like The Goonies or Mars Attacks, as these feature-rich slots always have something interesting going on.

Being a high variance online slot, Iron Bank’s wins are bit harder to come by, but the base game features spice things up so you’re not sat being bored. Still, it’s up to the free spins bonus to award the big wins – and, with a top prize of 49,999x, it’s definitely one that players will be excited to vie for.

Disclaimer: Iron Bank trademark / license is owned by Relax Gaming. This site is not endorsed by Relax Gaming.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Iron Bank
Software: Relax Gaming
RTP: 96.20%
Volatility: High volatility
Paylines: 4096
Reels: 6
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £20 (GBP)
Top Win: 49999
Features: Wild Symbol, Scatter Symbol, Multiplier, Free Spins, Expanding Wilds, Respins, High volatility, 6 Reels, Stacked Symbols, 243 Ways, Mystery Symbols, Turbo Spin, High Payout, Symbol Collection, Transforming Symbols, Wild Multipliers, Bonus Meter
UK Available in GB? Yes. Relax Gaming have a UKGC license and are allowed to offer their games at UK licensed casinos.

Iron Bank Slot FAQs

What is the RTP of Iron Bank?

Iron Bank has a payout percentage of 96.20%.

What is the biggest win available on Iron Bank?

The top win available on Iron Bank is 49,999x, and the most generous single-symbol win is 2000x (paid out by 6 bonus symbols).

How volatile is Iron Bank?

Iron Bank is a high variance slot, but the base game bonus features allow you to come by wins more often than you’d expect in a highly volatile game.

Is there a free spins bonus in Iron Bank slots?

Yes, there are three! Landing three bonus symbols provides you with the chance to pick from three bonus games: one with mystery symbols, one with expanding wilds and one with increasing wild multipliers.

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