Winterberries is a video slot from Yggdrasil, released on 14 January 2016, built around a 5x3 grid and 25 fixed paylines rather than a bonus-round structure. Instead of free spins, the title runs on two connected mechanics: winning symbols freeze in place and trigger a free re-spin, and matching berries stacked into full columns apply a multiplier to the frozen win. The frosted-fruit theme frames a deliberately short paytable that carries no wild, no scatter and no bonus game, leaving the Freeze and Re-Spin and Column Multiplier mechanics to do the heavy lifting. Winterberries therefore resolves every round inside the base game, where the length of a re-spin sequence and the number of columns it fills decide the result.
Winterberries plays out on five reels and three rows, paying across 25 fixed lines read from left to right. The line count cannot be reduced, so every paid spin buys the full set of 25 lines, and a minimum of three matching symbols on a line is needed before anything pays. Each paid spin is evaluated for standard line wins first, before the game checks whether any winning symbols qualify for the Freeze and Re-Spin mechanic.
Winterberries has no scatter symbols, no wild and no free spins round, which sets it apart from most modern Yggdrasil releases. It also offers no feature-buy option, so the mechanics can only be reached through a paid spin that pays. The entire feature set is built from the interaction between frozen symbols and the columns they occupy, which is why the Key Game Details below cover a shorter and more concentrated specification list than a game with a separate bonus round.
Winterberries carries the following principal specifications:
Developer: Yggdrasil
Release date: 14 January 2016
Game type: Video slot
Theme: Frozen winter berries
Layout: 5 reels, 3 rows
Win mechanic: 25 fixed paylines with a hold-and-respin structure
Paylines: 25, fixed and not adjustable
Minimum symbols for a win: 3 matching symbols on a line, left to right
Key features: Freeze and Re-Spin, Column Multiplier
Multiplier range: 2x to 5x, set by the number of consecutive completed columns
Wild and scatter symbols: None
Free spins: None — Winterberries carries no free spins round
Bonus game or feature buy: None
Jackpot: None — no fixed tiers and no progressive pool
Maximum win: 2,500x the stake
Default RTP: 96.75%
Volatility: Very high
Demo play: Available
Supported formats: Desktop and mobile
Winterberries is listed by Wildz with a default RTP of 96.75%, very high volatility and a maximum win of 2,500 times the stake. The exact configuration presented by a UK-licensed casino can vary, so the in-game information panel remains the relevant source for the current RTP and betting conditions of the specific version in use.
Winterberries evaluates each paid spin against its 25 fixed paylines, awarding a payout whenever three or more matching symbols land on a line from left to right. The symbols that formed a paying combination are then covered with a layer of ice and held in position rather than being cleared for the next spin. Every remaining position on the grid spins again automatically, at no additional cost, while the frozen icons stay exactly where they landed.
Winterberries repeats that re-spin for as long as each refill adds a new qualifying combination alongside the symbols already held. A sequence closes the moment a re-spin lands without producing a further winning line, at which point the game totals the frozen win and checks the grid for completed columns before applying any Column Multiplier. The whole cycle is settled on the original stake, so a round that runs through several re-spins costs no more than one that ends immediately.
Winterberries locks the exact symbols that produced a winning combination onto the reels the moment that combination pays, marking each one with a visible frost layer so the held positions can be read at a glance. The frozen icons stay fixed while a complimentary re-spin fills every remaining space with a new set of symbols. Because held symbols remain on their paylines, a single well-placed refill can extend an existing line rather than having to build a new one from nothing.
Winterberries keeps extending the sequence only when a re-spin itself produces a new qualifying line, so the number of re-spins in any one round is not something a player can select in advance. The mechanic depends entirely on which symbols the random number generator produces on each refill, not on stake size, spin timing or the outcome of previous rounds. A long sequence on one round therefore says nothing about the next, and no staking pattern makes a continuation more likely.
Winterberries applies a multiplier to the accumulated frozen win whenever two or more reels end the sequence showing the same berry symbol in all three rows. The qualifying columns are counted from the leftmost reel and must run consecutively, so a filled reel 1 and reel 2 count while a filled reel 1 and reel 4 with a gap between them do not. The multiplier is then applied once, to the combined value of the whole frozen win, rather than to each individual symbol or line.
Winterberries therefore ties its highest multipliers to how many consecutive columns fill with one symbol rather than to the size of the stake wagered. Reaching the outer end of that scale depends on the combination the reels generate during the Freeze and Re-Spin sequence and cannot be forced by adjusting the bet. The abilities of the mechanic are part of the game’s programmed feature set, so no staking approach makes a filled column more probable than the maths already allows.
Winterberries sets the multiplier equal to the number of consecutive completed columns, so 2 filled columns award 2x, 3 award 3x, 4 award 4x and all 5 reels filled with the same berry award the maximum of 5x. Each step applies to the combined value of the frozen win rather than to a single symbol, which means the multiplier is worth most at the end of a long sequence that has already accumulated several paying lines. Two filled columns are the minimum qualifying condition; a single filled column pays its line wins without any multiplier at all.
Winterberries requires every position in a counted column to show the same symbol before it contributes to the multiplier, so a column with even one different icon does not count towards the total. The run must also remain unbroken from reel 1, which makes the 5x ceiling a considerably narrower outcome than simply landing five filled reels in any arrangement. Filling reels 2 to 5 while reel 1 shows a mixed column produces no multiplier at all.
Winterberries carries a default theoretical RTP of 96.75% in the version currently listed by Wildz. This figure expresses the game’s calculated long-term return across a very large volume of wagering rather than the expected outcome of a single session. Winterberries holds no jackpot pool of any kind, so none of that percentage is diverted to fund a separate prize and the full return is paid back through the paytable, the re-spins and the Column Multiplier.
Winterberries may be supplied with a different permitted RTP setting through another operator or market, as the configuration can vary by market. Checking the in-game information menu before wagering therefore provides the most accurate percentage for the specific version being played. A quoted RTP is a design specification for the game rather than a forecast for one session.
Winterberries carries a very high volatility rating on Wildz’s own scale, which places it at the top end of the risk range rather than in the middle. Its mathematical structure can produce long stretches without a meaningful return, offset by occasional larger wins built through extended Freeze and Re-Spin sequences and higher Column Multiplier values. The absence of a free spins round concentrates that variance into the base game, so the swings arrive through re-spin sequences rather than through a separate bonus.
Winterberries volatility describes how payouts are distributed rather than when they will occur. A run of unrewarded spins does not raise the probability that a larger result must follow on the next one, because each spin is generated independently of the ones before it. Very high volatility is a reason to size a stake against a session budget rather than a signal about timing.
Winterberries offers a maximum win of up to 2,500x the total stake in its standard listed configuration. A qualifying £1 stake would therefore correspond to a theoretical upper limit of £2,500 before any separate operator restrictions are considered. That ceiling is a hard cap on a single round rather than a cumulative figure across a session.
Winterberries reaching this ceiling requires an extended Freeze and Re-Spin sequence to accumulate a substantial frozen win, combined with the highest 5x Column Multiplier value applied on top of it. Both conditions have to occur inside the same round, which is why the advertised maximum should be read as a technical limit rather than a representative outcome of ordinary play. The overwhelming majority of rounds finish a long way below it.
Winterberries can be played in the United Kingdom through an online casino holding the necessary Gambling Commission permission and carrying the Yggdrasil title in its catalogue. After account and age verification, a player can open the game, review the paytable, select a permitted stake and start a round. Because the 25 paylines are fixed, the only adjustment available before a spin is the stake itself, and the re-spins that follow a win are settled without any further wager.
Winterberries stakes are also subject to the United Kingdom’s statutory online slot limits. Players aged 18 to 24 can stake no more than £2 per game cycle, while those aged 25 and over have a £5 maximum. These limits have applied since 21 May 2025 and 9 April 2025 respectively, and they apply to the whole game cycle, which includes the re-spin sequence generated by a qualifying win.
Yes, Winterberries can be played on compatible mobile phones and tablets. Yggdrasil builds the title to run across both desktop and mobile formats, allowing its 5x3 grid, the Freeze and Re-Spin sequence and the Column Multiplier to adapt to a smaller display. No mechanic is removed on mobile, so the 25 fixed lines and the 2x to 5x multiplier scale behave identically on a phone and on a desktop computer.
Winterberries mobile access generally runs through a compatible casino website on a supported browser rather than a separate download. The same UK age-verification, licensing and stake-limit requirements continue to apply when the game is opened from a smartphone. Device model, browser version and operator account status can still affect access, and landscape orientation generally gives the three-row grid more room than portrait.
Yes, Winterberries has a free demo version that uses virtual credits instead of real-money stakes. Yggdrasil provides an official free-play version, letting a player see how the Freeze and Re-Spin sequence and Column Multiplier behave without wagering cash. The demo runs the same mathematical model, so it is a usable way to watch how often a sequence extends past a single re-spin and how rarely a run of consecutive columns fills.
Winterberries free-play access through a British licensed operator remains subject to UK age-protection requirements. Gambling Commission rules require remote licensees to verify age before customers are given access to free-to-play versions of gambling games offered through their websites. Winnings shown in demo mode carry no cash value, because the round is settled in virtual credits rather than deposited funds.
Winterberries can be offered to players in the United Kingdom by online casinos holding the appropriate Gambling Commission licence and carrying the Yggdrasil game. British customers must be at least 18 years old, complete the necessary verification procedures and remain within the statutory online slot stake limits. The game itself carries no feature buy, so the Commission’s prohibition on purchasing slot features does not change how Winterberries is presented in the British market.
Winterberries is listed on Wildz internationally, but Wildz currently states that customers visiting from the United Kingdom are redirected to partner casinos. UK players should therefore use the Gambling Commission public register to confirm that the casino they ultimately use is authorised for the British market, rather than assuming the international Wildz platform itself accepts UK registrations. That register is the practical way to verify a licence rather than relying on a site’s own statements.
Winterberries real-money gameplay in the United Kingdom falls within the regulatory system supervised by the Gambling Commission. Online gambling operators serving customers in England, Scotland and Wales must hold the appropriate regulatory permission, and the Commission maintains a public register where players can check a gambling business before depositing money.
Winterberries players must be 18 or older to take part in online gambling in the United Kingdom. Licensed online businesses are required to verify customer identity and age before allowing gambling, with the minimum verification information including name, address and date of birth. Those checks apply before a first stake is placed rather than at the point of a withdrawal.
| Area | United Kingdom Rule |
|---|---|
| Minimum online gambling age | 18+ |
| Main regulator | Gambling Commission |
| Online casino licensing | Operators serving the United Kingdom must hold the appropriate Gambling Commission licence |
| Identity checks | Name, address and date of birth must be verified before gambling |
| Maximum online slot stake, ages 18–24 | £2 per game cycle |
| Maximum online slot stake, ages 25+ | £5 per game cycle |
| Purchase of slot features | Prohibited since 31 October 2021; Winterberries carries no feature buy in any market |
| Free demo access at licensed operators | Age verification is required before access to free-to-play gambling games |
| Wildz status for UK visitors | Wildz states that UK visitors are redirected to partner casinos |
Winterberries players should also distinguish Great Britain from the entire United Kingdom when interpreting Gambling Commission rules. The Commission regulates gambling in England, Scotland and Wales; Northern Ireland has a separate legal framework and is not governed by the Gambling Act 2005 in the same way.
Winterberries pays across 25 fixed paylines on a 5x3 grid whenever three or more matching symbols land left to right. Winning symbols freeze under a layer of ice and trigger a free re-spin, which repeats while new wins keep landing. Two or more consecutive filled columns then multiply the frozen total by up to 5x.
Winterberries carries a default theoretical RTP of 96.75% as listed by Wildz. This figure reflects the game's calculated long-term return across a very large volume of wagering, not the result of any single session. The configuration can vary by market, so the in-game information panel is the figure to check.
Winterberries has a maximum win of 2,500x the total stake, so a £1 stake corresponds to a theoretical ceiling of £2,500. Reaching it needs a long Freeze and Re-Spin sequence plus the highest 5x Column Multiplier in the same round, which makes it a technical limit rather than a typical outcome.
Yes, Winterberries has an official free demo that uses virtual credits instead of real money. The demo runs the same mathematical model, so it shows how the Freeze and Re-Spin sequence and Column Multiplier really behave. Age verification is still required before a licensed operator gives access to free-to-play games.
Min/Max Bet:
€
0.25 –
50.00
Volatility:
High
(9.4/10)
Platform:
Desktop & Mobile
Developer:
Yggdrasil
Game Type:
Slots