Iron Bank Slot Review

Iron Bank Slot review

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Iron Bank is a brainchild of Relax Gaming, a well-known iGaming software studio, and CasinoGrounds, one of the most popular casino streaming communities with nearly 100 thousand subscribers on YouTube.

It turns out that the collaboration between these two organisations was not a bad idea, as we got an excellent game as a result.

Iron Bank is a 6×4 slot with 4096 ways to win that came out in October 2020. It is highly volatile and has a wide variety of extra elements in the base game and the bonus round.

Iron Bank gameplay

The graphics and animations look amazing, and the theme is pretty wacky, too — a bunch of jaguars is on a mission to rob a bank in what seems like a quiet town in Central America. We have a lot to say about Iron Bank, so let’s get down to business.

Where Can I Play this Iron Game?

Like many other hit titles from Relax Gaming, this slot game is available on dozens of UKGC-licensed slot sites, with several top casinos putting the game in their main lobby. In other words, you can play this slot legally in the UK in multiple places.

1 100% bonus up to £300 + 150 Bonus SpinsReviewVisit Casino
2 100% bonus up to £200 + 50 Bonus SpinsReviewVisit Casino
3 100% bonus up to £250 + 100 Bonus SpinsReviewVisit Casino


Iron Bank has six reels and four rows. It features 4096 ways to win. All it takes for a winning combination is for symbols to match in at least three consecutive reels starting from the leftmost reel. The min/max betting limits are £0.1 and £20.

The jaguar dressed as a robber is the game’s wild, substituting for all other symbols in a win except the scatter, represented by a safe. Low-paying symbols are card marks 10 through A, while the mid-tier symbols include cigars, a bottle of rum, a banana, and a diamond-shaped flask.

The highest-paying symbols are a bull (presumably the bank’s manager), while a safe (scatter) also pays individually when appearing four or more times.

The maximum win in Iron Bank is 49,999x, and the game has high variance. You may have to wait a long time to create a big chain of valuable symbols or unlock one of the bonus features, but you can expect a massive reward once you do.

Iron Bank bonus features

Bonus Features

We can divide Iron Bank bonus features into base game features and the free spins round. Three random base game features include:

Random bonus symbols

1 to 3 bonus symbols may be added to the reels before starting every spin, increasing the chances of triggering the free spins round.

Random mystery symbols

Every spin comes with a chance of several symbol positions being covered with question marks. After the spin ends, the positions are revealed and will show the identical symbol.

Full reel wilds

A full reel wild can appear on reels 2 through 5, covering an entire reel and having a random multiplier of between 2x and 10x.

The free spins round will start when three or more bonus symbols (vaults) appear after a single play. The player gets to choose between three free spin modes:

Mystery symbols (8 free spins)

One symbol is chosen at the start of the round to turn into a sticky mystery symbol every time it lands on reels 2 through 6. After every spin, the mystery symbols reveal a set of identical symbols. If mystery symbols cover an entire reel, you get an additional free spin.

Expanding wilds (10 free spins)

Wilds that appear on reels 3 and 4 turn into expanding wilds and award a re-spin. Re-spins continue as long as there’s a win or if the spin results in the second expanding wild. With every win, the multiplier of the respective expanding wild increases by one unit.

Multiplier collect (12 free spins)

Coconut crates on reels 2 through 5 add 1 to 3 units to the progress bar above that reel.

Every two coconut crates increase the multiplier of potential wilds that land on that reel by one. Every time a red bar is filled, the player receives three extra spins.

Iron Bank printing big win!

What Is the Return to Player of Iron Bank?

Iron Bank has an RTP of 96.2% for its base game, slightly above average. The RTP increases to 97% with the Buy Feature option, but this option is unavailable to UK players.

What Do We Think of This Slot?

Iron Bank is proof that great games can happen when fans get a chance to implement their ideas. Relax Gaming and CasinoGrounds have created an amazing title with stunning visuals, a unique theme, plenty of exciting bonus features, and a massive maximum payout of 49,999x.

The only thing we can consider a disadvantage is that the game is not beginner-friendly.

High variance combined with complex bonus rounds will probably confuse new and inexperienced players.

But, if you’re a video slot veteran looking for something fresh, there’s a high chance you’ll love this high volatility slot.


Iron Bank

The maximum payout in Iron Bank is 49,999x.
Iron Bank has a high variance. There’s a chance to win big, but you’ll likely have to wait a bit for the right moment.
Iron bank has a Buy Bonus feature. But since this type of feature is banned in the UK, UK-based casino sites offer a version of the game without it.
Yes, many UK online casinos have Iron Bank available in demo mode.
The RTP of Iron Bank is 96.2%, which is moderately above the industry average.

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