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Our rating:
  • Another avalanche slot from Elk Studios
  • Set deep in space with lasers and forges
  • Get up to 8 rows for more ways to win

IO slot comes from Elk Studios and it’s their newest avalanche slot with a different theme and some exciting, new features. This time, they’ve taken us to space and while it’s not the most visually stunning slot I’ve ever seen, it’s certainly not bad and it’s pretty fun. You have 6 reels here and up to 8 rows available (more on this shortly). To get a win is like any other slots, just match symbols from left to right. These base symbols are as follows, ranked in ascending order based on their value:

  • Jack (lowest value)
  • Queen
  • King
  • Ace
  • Star
  • Clover
  • Diamond
  • 7 (highest value)

There’s a wild symbol also, shown as a large W, substituting for all other above symbols in a winning combination.

io slot gameplay


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IO Slot Bonuses and Features

Avalanche. This slot has the avalanche feature whereby all winning symbols, apart from charged wilds, are removed and new ones fall in from above. Each time this happened, a new row is added to the top up to a maximum of 8 rows.

Charged Wild. When a charged wild symbol appears, it has 4 extra lives. Each time it’s part of a win, it loses a life. It works like a wild symbol in every other way.

Wild Forge. A wild forge will fill and empty space below it with a multiplier wild. Each time the forge is used, the value of the multiplier increases. When it falls to the bottom, it too turns into a multiplier wild.

Laser. This helps turn extra symbols wild when 2 lasers appear. All symbols between them turn into wilds, but a single laser removes itself and all normal symbols along its beam.

Free Spins Bonus. This is triggered when you get 3 scatter symbols in the game. Now you have 8 rows to work with be default, and charged wilds and wild forge symbols are collected between free spins.

io slot rules


IO slot is the latest slot from Elk Studios with an avalanche mechanic. They’ve done quite a few now and frankly they’re getting good at them. This one has some familiar features such as adding rows after a win and a free spins bonus, but I like the way the wild symbols work with some nice multipliers available to them, and the theme is fun as well with some decent graphics. Overall, if you like this type of slot, I think you’ll really enjoy this one. They’ve got a lot right, but equally some people may just prefer a more traditional 5×3 slot. To see some of Elk Studios alternatives, click here.

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One Of Their Best Avalanche Slots





  • Lots of features.
  • Fun design.
  • Multiplier wilds can work well.

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