Wild meaning: a wild is a slot symbol that substitutes for other symbols to help complete a winning combination, much like a joker in a card game. Most wilds can replace any regular symbol but not the scatter or bonus symbol. Many slots add a twist, so a wild may also expand, stick, move or carry a multiplier.
A wild stands in for regular symbols to complete wins; it usually cannot replace scatters.
Where a wild could make several wins, slots pay the highest one on that line.
Common variants are expanding, sticky, walking, stacked and multiplier wilds.
Wilds are already priced into the RTP, so more wilds do not mean better value.
Definition
Symbol that substitutes for others
Usually cannot replace
Scatter and bonus symbols
Common variants
Expanding, sticky, walking, multiplier
Card-game version
Deuces Wild: every 2 is wild
Effect on RTP
None beyond what the game already includes
Wild meaning: the substitute symbol
Picture a line reading cherry, cherry, wild, cherry, lemon. If the wild counts as a cherry, the line pays four cherries. That is the whole idea: the wild fills a gap so a combination can pay. On a payline slot it substitutes along the line, on a ways to win slot it substitutes on adjacent reels, and on a cluster pays game it can join more than one touching group at once.
The paytable marks the wild and lists what it can and cannot replace. The near-universal exception is the scatter: because scatters start features, studios rarely let wilds stand in for them. Book of Dead is a well-known example of a merged symbol, where the book acts as both wild and scatter.
How wild substitution is decided
Highest win wins. If a wild could complete two different combinations on the same line, the game pays the higher one only.
Wilds can pay on their own. Many paytables list a payout for three, four or five wilds in a row, which may be the top regular prize.
Some reels never carry wilds. Starburst’s wilds appear only on reels two, three and four, which affects how often they land.
Wild multipliers stack or add. Where several multiplier wilds sit on one win, the help screen states whether their values are multiplied together or added.
Take a 10-line slot at £1 total stake, so 10p per line. The paytable (illustrative) pays 5× line bet for three crowns, 20× for four, 100× for five, and 50× for three wilds.
Line 4 shows crown, crown, wild, wild, wild. Counted as crowns, the line is five crowns, worth 100× line bet in this paytable, so £10.
Counted as three wilds from the right, it would pay nothing, because most lines read from the left. From the left it is two crowns then wilds, so the crowns version applies.
The game compares the options and pays the highest: £10 on a £1 spin.
Change the line to wild, wild, wild, lemon, cherry. Treated as wilds the line pays 50 × 10p = £5; treated as lemons it would pay four lemons, which in many paytables is worth less. The game takes the better result. This is why the wild’s own payout row matters as much as its substitution role.
Types of wild symbol
Common wild variants and an example of each
Type
What it does
Example
Standard wild
Substitutes in one position
Most classic and video slots
Expanding wild
Grows to cover the whole reel
Starburst (reels 2–4, with a respin)
Sticky wild
Stays in place for several spins
Dead or Alive (in the feature)
Walking wild
Moves one reel per spin, often with a respin
Jack and the Beanstalk
Multiplier wild
Multiplies any win it helps form
Many modern video slots
Collecting wild
Gathers cash values shown on other symbols
Big Bass Bonanza (fisherman, in the feature)
Wild and scatter combined
Substitutes and triggers the feature
Book of Dead
Two of these have their own entries: expanding wild and sticky wild. A multiplier attached to a wild works the same way as one attached to any other part of a game.
Do more wilds mean a better slot?
No. A studio sets the RTP with every wild, every expansion and every multiplier included, so a game full of wilds can return exactly the same share of stakes as a plain three-reel game. What wilds change is the shape of the results. Sticky and multiplier wilds tend to push value into rare large outcomes, which raises volatility. Over many spins the house edge still means the casino keeps a share, so treat any session as paid entertainment.
Wild meaning outside slots
The word comes from card games. In Deuces Wild video poker, every 2 in the deck acts as a wild card, which is why the paytable starts at three of a kind rather than a pair of jacks. Some live game shows and slingo-style games also use wild markers that fill any space. The principle is identical: one item stands in for another to complete a result.
Wild features and UK slot rules
Wild features do not change the rules that apply to the spin. The stake limit is £5 per spin for players aged 25 and over, in force since 9 April 2025, and £2 for players aged 18 to 24, in force since 21 May 2025; the Commission’s guidance on online slot stake limits (opens in a new tab) explains how a game cycle is counted. A respin triggered by an expanding or walking wild is part of that cycle. The game design rules in force since 31 October 2021 mean no autoplay, no turbo and at least 2.5 seconds per spin, and a wild that ‘completes’ a return no bigger than your stake must not be celebrated as a win.
Slots with wild features in current UK offers
PlayOJO’s welcome offer gives new UK customers aged 18+ (excluding Northern Ireland) 80 spins at 10p each on Big Bass Bonanza after a first deposit of at least £10, with no wagering; in that game’s feature, the fisherman wild collects the cash values on fish symbols. Coral’s offer gives new players aged 18+ 100 spins at 10p each on selected slots after depositing and betting £10 or more on slots, with 48 hours to accept, 7 days to play and no wagering on winnings; several payment methods, including PayPal and prepaid cards, are excluded. Terms apply to both. If gambling stops feeling like entertainment, GamCare (opens in a new tab) runs the free National Gambling Helpline on 0808 8020 133, and free gambling support in the UK lists the other options.
PlayOJO’s 80 spins at 10p are on Big Bass Bonanza, whose fisherman wild collects cash values in the feature, after a £10 first deposit; Coral gives 100 spins at 10p on selected slots after a £10 slots bet. 18+, terms apply; checked 5 October 2026.
Significant terms: 18+. New players only. Offer runs 01/10/2026 to 01/02/2027. Deposit (certain types excluded) and bet £10+ on slot games to get 100 free spins (selected games, £0.10 each, 48 hrs to accept, valid 7 days). No wagering on free spin winnings. Deposits by Neteller, PayPal, Paysafe, Skrill, prepaid cards and certain debit cards do not qualify. Restrictions and T&Cs apply. GamCare.org.uk
Read the Coral reviewLicence: LC International Limited, UKGC account 54743. Offer checked 5 October 2026.
Significant terms: 18+. New UK customers (excluding Northern Ireland). First deposit only. Minimum deposit £10. 80 free spins on Big Bass Bonanza, £0.10 each. No wagering requirements; winnings paid in cash. Cannot be used with any other offer. Only available to players who arrive through the designated offer link. Full T&Cs apply. GamCare.org.uk
Read the PlayOJO reviewLicence: Skill On Net Limited, UKGC account 39326. Offer checked 5 October 2026.
18+. Gambling should be entertainment that costs money, not a way to make it. Set a deposit limit before you play: how to set deposit limits. Free, confidential help: National Gambling Helpline 0808 8020 133.
Frequently asked questions
What does wild mean in slots?
A wild is a symbol that substitutes for other symbols to complete a winning combination. If a line has three cherries and a wild in the right place, the wild counts as a fourth cherry. Most wilds cannot replace scatter or bonus symbols, and many slots give the wild its own payout for a line of wilds. The paytable entry shows where these rules are listed, and slot features explained covers wilds alongside other mechanics.
Can a wild replace a scatter?
Usually not, because scatters trigger features and studios keep that route separate. The paytable normally says the wild substitutes for all symbols ‘except scatter’ or ‘except bonus’. The exception is a combined symbol such as the book in Book of Dead, which is both wild and scatter, so it can complete a line and also count towards the feature. When in doubt, the game’s help screen is the authority. The scatter glossary entry explains what the scatter does.
What is the difference between a wild and a joker?
In slots the two words often mean the same thing, as the joker is the traditional card-game wild. Some fruit-style games, such as Play’n GO’s Fire Joker, use a joker character as the theme and the wild symbol. In casino card games, a joker or wild card substitutes for any card to make the best hand, as the 2s do in Deuces Wild. The underlying role, standing in for something else, is identical.
Do wilds increase my chances of winning?
Wilds help individual spins pay, but they do not improve the game’s overall return beyond its published RTP. The studio sets the RTP with every wild already counted, so a slot with lots of wilds at 96% returns the same over the long run as a slot with none at 96%. Wilds change how often and how unevenly wins arrive. The RTP entry explains the figure, and how often do slots pay out covers hit rates.
What are the main types of wild?
The main types are standard, expanding, sticky, walking, stacked and multiplier wilds. An expanding wild grows to fill its reel, a sticky wild stays in place for several spins, a walking wild moves one reel each spin, and a multiplier wild increases the value of any win it helps form. Some modern games add collecting wilds that gather cash values. The dedicated entries for expanding wilds and sticky wilds go into each in more detail.
Is a line of wilds the top prize?
Sometimes, but not always. On many classic and video slots, five wilds on a line is the highest regular payout, but some games pay more for a top symbol, and features or jackpots can exceed both. The paytable lists every combination with its value, so check it rather than assume. Remember that the game always pays the highest possible result where a wild could form more than one. How to read a slot paytable shows how to compare rows.
Gambling can be addictive. Free, confidential help is available 24 hours a day from the National Gambling Helpline on 0808 8020 133. Get free support from GamCare or NHS gambling support, or block yourself from all UK-licensed gambling sites with GAMSTOP.
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