Expanding Wilds Slots, Slots with Expanding Wild (2026)

Updated: May 16, 2026

The new generation of slot machines is very different from the classic slots. First of all, the differences lie in the plane of the set of symbols and winning opportunities. New generation video slots contain many special symbols with special functionality that are not found in classic slots. For example, this is an expanding Wild symbol, which is increasingly seen in modern web-based slots.

Expanding Wild Slots (961)

1429 Uncharted…


Castle Builder…


Blood Suckers …


Grand Casanova


Ninja vs Samur…


Plenty Dragons


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Expanding Wilds Explained

The vast majority of online slots contain special symbols, in particular, the Wild symbol, which can be regular and expanding. The latter belongs to the category of special-purpose symbols. It can be used to complement combinations that lack the desired images. There are some common rules when it comes to these symbols – they can’t substitute a scatter symbol, and in most scenarios, they can’t replace free spin or other bonus icons. Find out other peculiarities of expanding Wilds in this article.

How Does the Expanding Wild Feature Work?

Special Wild symbols work pretty simply: any missing symbol can be replaced with them to complete a winning combo. The expanding Wild is capable of simultaneously complementing winning combinations on different paylines. The fact is that when it falls out in any position of the playing field, this symbol fills the whole reel. Some slot games only have them on certain reels, for instance, most 5-reel games only allow them on reels 2, 3, and 4. Thus, Rival's Gushers Gold features Expanding Wilds that appear on Reels 1, 3 and 5 only.

Expanding Wilds can appear in the base game, or as a special feature in a Free Spins round. The expanding Wild symbol, like the classic Wild, under certain conditions, can act as a multiplier x2 (in rare cases, even higher). When this image appears on any line, it is paid twice as much, that is, any winning combination that appears here brings the player double income.

It should be noted that the Wild can be dropped as often as any other symbol. The algorithms of slot machines do not distinguish between special and ordinary symbols, so both types of symbols can appear with the same probability. This contributes to frequent wins, since with the regular appearance of the Wild symbol, many new opportunities for composing prize combinations are created. The expanding Wild symbol can not only make other combinations more expensive but also create its own prize sequences.

As they can reward big wins, Expanding Wilds tend to feature in slots that have high volatility. As such, you might not see an Expanding Wild for a while, then one or two will land, and you'll bag a seriously big win.

In what Directions Can They Expand?

Most often, when activated, these special Wilds expand to the entire reel on which they fell, that is, they expand by three cells vertically. Sometimes, the expanding symbol can expand in other directions - it all depends on the imagination of the game developer.

Expanding Wild vs Stacked Wild

Many developers have incorporated both stacked and expanding symbols into their slots, as technology improves on both online and mobile platforms. Yet, there is a difference between these two. Let’s take a closer look at the mentioned types of Wilds!

Stacked symbols are Wilds, which do not fall out one by one, but all at once, closing the reel in whole or in part. As a rule, such Wild symbols appear in groups of 2, 3, 4, and even 5. In some slots, stacked characters can appear on all reels, in others - only on certain reels. Where such Wild symbols can appear on any reel, volatility is generally higher.

There are also slots where stacked symbols appear only during free spins, while multipliers are also applied at the same time, which in general greatly increases the winnings. It so happens that thanks to the stacked Wilds, the player becomes a millionaire!

Stacked Wild symbols are similar to expanding symbols, with the only difference that the expanding Wild looks like a single symbol and then expands to the entire reel, while a stacked Wild may not fill the reel completely (for example, only 2 or even 1 sector). The specificity of both expanding and stacked Wild symbols in each slot is different, and you can find it out in the "Payouts" or "Help" menu, which is located at the bottom of the game screen.

How Does this Feature Get Triggered?

Usually, the expanding Wild feature is triggered every time a Wild symbol lands on the reels. To give an example, in the Legendary Excalibur – Red Tiger slot, the feature can be activated only if a symbol of a sword appears on the screen. That is, you cannot influence or accelerate expanding Wilds’ activation in any way. With proper luck, you can use the feature to make several combinations and significantly increase the size of your payout.

Another interesting fact is that while some slots feature Expanding Wilds as an extra symbol, in some volatile games, the expanding symbol is the usual Wild. For instance, Rivals' music-themed Rock On slot features a guitar icon that fills the whole reel when it appears on the screen. A multiplier of 2x is also attached to any win it helps form.

Best 3 Expanding Wild Slots Comparison

Provider Thunderkick Rabcat RedTiger
RTP 98.5% 97.75% 97.66%
Volatility Low Medium Extreme
Max Win x670 x2,000 x20,521
Released Date April 15, 2014 July 19, 2017 Jan. 26, 2023
Paylines 25 15 117,649
Free Spins 10-50 10-20 5
Buy Free Spins
Multipliers x2-7
Wild Symbol
Scatter
Other Features

Autoplay, Expanding Wild

Autoplay, Bonus Game, Expanding Wild

Autoplay, Megaways, Cascading Reels, Expanding Wild, Random Wild, Multiplier Wild, Free Spins Multipliers

Play For Free Demo Play N/A Demo Play
Real Money Play

Expanding Wild Slots List

# Slot Name RTP % Volatility Max Win Casinos List
301.  Bamboo Ways 96.3 % High x25,000 Casinos List
302.  Legion Gold Victory! 96.3 % Medium x4,000 Casinos List
303.  DJ WÏLD 96.3 % Medium x1,700 Casinos List
304.  Cat Wilde and the D… 96.29 % High x5,000 Casinos List
305.  Undead Fortune 96.29 % Medium-high x10,000 Casinos List
306.  Age of Pirates 96.29 % Medium-high x5,000 Casinos List
307.  Tale of Kyubiko 96.29 % Medium x2,250 Casinos List
308.  Beast Below 96.29 % Medium-high x10,000 Casinos List
309.  Rusty & Curly 96.29 % Medium x10,000 Casinos List
310.  Rich Wilde and the … 96.29 % High x5,000 Casinos List
311.  Fire Hot 20 96.29 % Medium x1,234 Casinos List
312.  Aiko and the Wind S… 96.29 % Medium x10,000 Casinos List
313.  Platinum Lightning … 96.29 % Medium-high x8,888 Casinos List
314.  Epic Journey 96.28 % Medium x957 Casinos List
315.  Jack and the Beanst… 96.28 % Medium-high x7,100 Casinos List
316.  Slayers Inc 96.28 % High x15,000 Casinos List
317.  Tower Quest Legacy 96.28 % Medium-low x1,500 Casinos List
318.  Halloween Jack 96.28 % Medium-high x7,100 Casinos List
319.  Jack and the Beanst… 96.28 % Medium-high x7,100 Casinos List
320.  Phoenix Duelreels 96.28 % Medium x10,000 Casinos List
321.  Dork Unit 96.28 % Medium x10,000 Casinos List
322.  That's Rich 96.27 % High x10,000 Casinos List
323.  Savannah Fortune 96.27 % High x30,000 Casinos List
324.  4 Crazy Cluckers 96.27 % Medium x2,000 Casinos List
325.  Court of Hearts 96.27 % Medium-high x8,500 Casinos List
326.  Fire Hot 5 96.27 % Medium x2,700 Casinos List
327.  Dynasty of Death 96.27 % Medium-high x12,500 Casinos List
328.  Bullets and Bounty 96.27 % Medium-low x20,000 Casinos List
329.  Hooligan Hustle 96.27 % High x10,000 Casinos List
330.  The Race Megaways 96.27 % High x24,070 Casinos List
331.  Three Star Fortune 96.27 % High x500 Casinos List
332.  Army of Ares 96.26 % Medium-high x15,000 Casinos List
333.  Divine Fortune Black 96.26 % High x20,000 Casinos List
334.  Jolly Roger Wild Kr… 96.26 % Medium-high x20,000 Casinos List
335.  Snake Arena 96.25 % High x2,758 Casinos List
336.  5 Fortunator 96.25 % Medium N/A Casinos List
337.  Rally 4 Riches 96.25 % High x5,000 Casinos List
338.  Crabby's Gold 96.25 % Medium-high x70,000 Casinos List
339.  House of Doom 2: Th… 96.25 % Medium-high x6,000 Casinos List
340.  Epic Riches 96.25 % Medium x1,600 Casinos List
341.  Champions of Mithru… 96.25 % High x7,500 Casinos List
342.  Highway Legends 96.25 % Medium x1,250 Casinos List
343.  Saxon 96.24 % High x10,000 Casinos List
344.  Epic Bullets and Bo… 96.24 % High x20,000 Casinos List
345.  Dansband På Turné 96.24 % High x10,000 Casinos List
346.  Grand Loot 96.24 % Extreme x50,000 Casinos List
347.  Moonlight Romance –… 96.24 % High x10,000 Casinos List
348.  Aesir Treasures 96.23 % Medium x2,000 Casinos List
349.  Roman Rivals Blood … 96.23 % High x5,000 Casinos List
350.  Spinman 96.23 % High x10,000 Casinos List