Crack the Vault in Iron Bank Slot

The Town, Layer Cake, The Usual Suspects, Baby Driver, Reservoir Dogs, Inception, and Ocean’s 11. There are just so many good heist movies. The genre is well catered for on the big screen but rarely as well in the world of slots. Sure we have the Money Train series, but what about the animal-themed heist slots?

Enter Iron Bank slot from Relax Gaming to fill that void. Sure, it sounds niche, but stick with me here.

A vault packed with bonus features

Unlike most slots that reserve the bulk of the bonus features for free spins, Iron Bank slot offers a wide selection of base game bonus features.

  • Random bonus symbols – At the commencement of any random spin, the slot will add one to three bonus symbols to the reels. This increases your chance of triggering a round of free spins.
  • Random mystery symbols – While the reels are spinning, mystery symbols can randomly be added to the reels. When the reels come to a stop, mystery symbols that land on the reels will all transform into the same symbol.
  • Full reel wilds – stacked wilds can appear on reels two to five. These wilds will cover the entire reel and will also come with a multiplier with a value of between 2x and 10x. If more than one stacked wild appears on the reels at once, the multipliers is first multiplied together before being applied to your winning amount.


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The slot’s free spins feature is unlocked with the appearance of three or more bonus symbols. If you unlock a round of free spins with four, five, or six bonus symbols you will be awarded a win of 20, 200x, and 2,000x your bet respectively. Once a round of free spins is triggered you will get to choose one of three options each with its own unique bonus mechanic.

  • Mystery symbols – Eight free spins are awarded. A randomly selected symbol will be chosen at the start of the round to become the sticky mystery symbol. Any time these symbols land on reels two to six they will be converted into a mystery symbol and stick in place revealing the same symbol on every spin. Filling a whole reel with sticky mystery symbols will award an additional free spin.
  • Expanding wilds – Ten free spins are awarded. Wilds appearing on reels three and four will expand to fill the entire reel and will also trigger re-spins. Any win thereafter will increase the multiplier by 1x and an additional respin is triggered. The reels will continue to be respun until you hit a non-winning spin, at which time the wilds will disappear from the reels.
  • Multiplier collect – Twelve free spins are awarded. Landing coconut crates on reels two to five will increase the multiplier applied to the wild on the reels that the coconut crates land on. Each coconut crate will award between one and three coconuts. Every two coconuts awarded on each reel will increase the multiplier of that reel by 1x. The current multiplier is displayed above each reel. Each time the coconut shooter progress bar is filled an additional three free spins will be awarded.


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If you’re not keen on joining a crew, you can select to purchase a round of the slot’s free spins bonus feature. Each round purchased will cost you 100x your bet amount.

Is Iron Bank slot the adventure you’ve been waiting for?

I really want to like Iron Bank slot. The graphics are mostly fantastic, but the base game is just a little dull. I wish that they had brought a little animation into the background to spice things up. The tiger character is great but since it’s the slot’s wild symbol you rarely see it. Instead, you get the random bull, which is the only other character symbol, making the reels feel a little abandoned. I would have shifted all the object symbols to low-paying symbols and created a few more characters for the high-paying symbols. Apart from that, however, the slot is great with a bunch of bonus features and a staggeringly large max multiplier.

The slot has high volatility, meaning you’ll be waiting longer than you’d like between those large wins. However, thanks to the plethora of bonus features, you’ll be more than entertained along the way. The slot has a max win of €249,995 you can take a shot at betting just €5 a spin. If you’re more comfortable betting at the €0.10 minimum, however, the 49,999x max multiplier means you’ll still have a shot at some impressive wins! The slot has an RTP of 96.2%.

If you’re looking for a few other Relax Gaming slots to keep you entertained, I recommend giving the creepy Horror Hotel and the adrenaline-filled Money Train 3 a shot.