Substitution Symbols Slots

Looking for slots that feature substitution symbols? Here’s the right place to be. We’ve put together a list of dozens of substitution symbols slots. Play them for free or choose one of the gambling sites to test your luck in real money mode.

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Last Updated: March 27, 2022 at 4:40PM ()
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What Are Substitution Symbols?

One of the most common ways to improve slot entertainment level is to add some symbols that substitute other icons. These are often called Wilds. Nearly any slot that is produced today features them. Just like scatters, they are special symbols that have some extra properties to benefit players. Traditionally, you need similar symbols on an active payline to collect wins. But substitution symbols count as any regular symbol. So, they basically replace symbols that you need at that time to get paid, be it an Ace or a 10, or a character icon.

The Popularity of the Feature

Slots with substitution symbols are extremely popular. This is considered to be a basic slot element, and it is used even in some classic uncomplicated fruit machines. They often come with other great boosters such as growing multipliers. They can also expand, stick, move, nudge, explode, and perform a variety of other actions. Developers keep pushing the boundaries of what substitution symbols can do to help players land more winnings.

Studios Producing Symbol Substitution Slots

Every slot developer must have used this element in its slots because it’s one of the most popular tools in everyone’s toolset. Tried and tested, there’s no risk of failure when integrating substitution symbols into the slot machines. What’s important is that players love wilds and want to see them in slots. Unless the goal is to design the most primitive game with only bare basics, substitution is a must in games.

Where to Play

It’s hard to pick a single casino when there are hundreds of them. But to guide you through the huge selection, we have this casino rating that includes only licensed operators that offer certified games. They all have a wide variety of slots with substitution symbols that can be played for free or for money. If you just want to explore the collection in demo mode, you can play here on

Best Substitution Symbols Online Slots

If you are looking for the greatest titles that feature substitution symbols, switch to the Most Popular tab located above the list. Or just test games randomly, which will probably take you longer, but the time spent can turn into a great experience.

Who Wants to Be a Millionaire Mystery Box

This is one of the successful Who Wants to Be a Millionaire branded titles. Produced by Big Time Gaming, the slot features wilds on reels 2-4, and they substitute all symbols except scatters. x2 multiplier applied to all wild winnings. Mystery Box is one of the key features in this game. It reveals other symbols, and all mystery boxes reveal similar icons. There are also free spins with a progressive multiplier and a gamble feature that gives players a chance to double winnings up to five times in a row.

7’s Deluxe Fortune Spins

The main attraction of this Blueprint Gaming slot is the Fortunes Spins mode. When activated, it adds three extra reel sets to the screen and you have a total of 4 reel sets. They all spin at the same time, but aren’t interconnected. But substitution symbols that land on one slot are transferred to the same positions on other layouts. This mode can be activated and deactivated to return to a traditional one reel set layout.


This is another branded game, but this time produced by NetEnt. Volatility in this slot is low, and it is impossible to hit massive wins because the max win potential is just a bit over x500. Substitution symbols in this slot play an important role. They appear in the base and bonus modes. But during free spins, there are a couple of boosters that throw a bunch of wilds on the reels at the same time. Wild Stampede, for instance, adds 4-9 wilds, while Monsoon Wilds feature awards up to two wild reels.