Vault of Fortune is a Yggdrasil video slot released on 23 July 2020, set in a warehouse stacked with crates of lost artefacts and recovered treasure. Vault of Fortune was the first title Yggdrasil built on its GATI development and distribution technology, the system the studio uses to supply its YG Franchise and YG Masters programmes. The game runs on a 5x3 grid with 20 paylines and replaces the single spin-and-stop result with a Dropdown sequence, in which paid symbols are cleared and fresh crates fall into the gaps. Vault of Fortune attaches a win multiplier to that sequence and carries the mechanic into a Gold Chamber free spins round where the multiplier no longer resets.
Vault of Fortune arranges each round across five reels and three rows, settling combinations along 20 paylines that run from the leftmost reel. Symbols in a paid line are removed once their value has been calculated, and further crates drop into the vacated positions to assemble the next layout. Vault of Fortune therefore treats one stake as the opening of a sequence rather than as a single isolated outcome.
Vault of Fortune links its multiplier directly to that sequence. Each consecutive Dropdown win advances the multiplier by one step, and Yggdrasil applies no stated ceiling to how far it can climb within an unbroken run. Vault of Fortune reuses the same components inside its bonus round, where the reset condition is relaxed and the multiplier is carried forward from spin to spin.
Vault of Fortune has the following principal specifications:
Developer: Yggdrasil
Release date: 23 July 2020
Game category: Video slot
Theme: Lost artefacts and treasure
Playing area: 5x3 grid
Paylines: 20
Winning system: Paylines with Dropdown cascades
Main mechanics: Dropdown, rising win multiplier, Expanding Wilds and Gold Chamber Free Spins
Free spins awarded: 8, 12 or 20, from 3, 4 or 5 codex Scatters
Base game multiplier: rises by +1 per consecutive Dropdown win, with no stated limit
Free spins multiplier: does not reset after a spin without a win
Maximum win potential: 11,000x stake
Default RTP: 96.01%
Volatility: High
Bet range: 0.10 to 100 per spin
Supported formats: Desktop and mobile
Vault of Fortune is listed by Wildz with a default RTP of 96.01%, high volatility and maximum win potential of 11,000 times the stake. The mathematical configuration and the permitted bet range can vary by market, so the information panel inside the game remains the relevant source for the version currently in play.
Vault of Fortune pays when matching symbols land on adjacent reels along one of its 20 paylines, counted from the leftmost reel inwards. The symbols forming a paid line are then cleared from the grid, and replacement crates drop from above into the empty positions. Vault of Fortune assesses the new layout straight away, so one stake can produce several paid combinations in succession.
Vault of Fortune repeats that loop for as long as each fresh layout yields another qualifying line. The sequence closes when a drop arrives without a win, and the multiplier returns to its starting value at that point. Vault of Fortune generates every replacement symbol randomly, so the length of a Dropdown run cannot be influenced by stake size or by the outcome of earlier rounds.
Vault of Fortune uses the Dropdown feature as its core win mechanic rather than as an occasional bonus. A winning payline is settled and removed, the remaining symbols shift, and new crates enter from the top of the grid to complete the layout. Vault of Fortune charges no additional stake for any continuation produced inside the same Dropdown sequence.
Vault of Fortune keeps each replacement layout independent of the one before it. A long run of drops is the product of consecutive random outcomes, so it cannot be brought about by adjusting the bet, by changing the timing of a spin, or by following a particular betting pattern. The sequence is part of the game’s programmed feature set and continues only while qualifying lines keep forming.
Vault of Fortune starts each round with a multiplier of x1 and raises it by +1 for every consecutive Dropdown win within the same sequence. A run that produces four paid layouts in succession therefore applies a progressively larger multiplier to the later wins in that run. Vault of Fortune states no upper limit for the base game multiplier, so its value depends entirely on how long the sequence continues.
Vault of Fortune resets the multiplier to x1 as soon as a drop produces no win. That reset is automatic and is not affected by the stake selected or by how much the multiplier had already accumulated. The progression is determined by the game’s random results, and a sequence of low multipliers does not increase the probability that a longer run must follow.
Vault of Fortune uses a wild symbol shaped like a pull lever, which substitutes for the regular paying symbols to complete a line. When that wild forms part of a winning combination the lever is pulled and the wild expands vertically on its reel, holding additional positions for the layout that follows. Vault of Fortune can therefore turn a single wild landing into a wider block of substitute positions during a Dropdown run.
Vault of Fortune places those wilds through its random number generation like any other symbol. Neither the position of a wild nor the moment it expands can be selected in advance or influenced by the size of the wager. The expansion is a programmed response to a qualifying win rather than a feature the player can trigger at will.
Vault of Fortune triggers its free spins round when 3, 4 or 5 codex Scatter symbols land in view at the same time, awarding 8, 12 or 20 free spins respectively. The round opens the Gold Chamber, where the Dropdown mechanic and the win multiplier continue to operate as they do in the base game. Vault of Fortune changes one rule for the duration of the feature, and it is the rule that defines the round.
Vault of Fortune does not reset the multiplier in the Gold Chamber when a spin arrives without a win. The multiplier can therefore only rise across the whole feature, with no stated limit on the value it can reach before the free spins are exhausted. Reaching a high multiplier still depends on how frequently qualifying lines form, and the number of free spins awarded is fixed by the Scatter count at the trigger rather than by any player decision.
Vault of Fortune carries a default theoretical RTP of 96.01% in the version listed by Wildz. This percentage describes the calculated long-term return across a very large volume of wagering, and it is not a projection of what any individual session will return.
Vault of Fortune may be supplied with a different permitted RTP setting through another operator or in another market. Checking the game information menu before wagering therefore gives the most accurate percentage for the specific version being played.
Vault of Fortune has a high-volatility profile as listed by Wildz. Its mathematical structure is built around sequences rather than steady returns, so extended periods without a meaningful result can sit alongside occasional long Dropdown runs at an elevated multiplier.
Vault of Fortune volatility describes how potential payouts are distributed, not when they will arrive. A series of rounds that end on the first drop does not make a longer sequence more likely on the next stake, and the distribution is unchanged by the amount wagered.
Vault of Fortune offers maximum win potential of 11,000x the stake in its standard listed configuration. A qualifying £1 stake would therefore correspond to a theoretical upper game limit of £11,000, before any separate operator limits were taken into account.
Vault of Fortune reaching that ceiling requires an exceptional combination of events, in practice a long Gold Chamber sequence in which the multiplier accumulates without interruption. The published maximum should be read as a technical limit of the game rather than as a representative outcome of ordinary play.
Vault of Fortune can be played in the United Kingdom through an online casino that holds the appropriate Gambling Commission licence and carries the Yggdrasil title. After account registration and age verification, a player can open the game, review its rules and paytable, select a permitted stake and start a round.
Vault of Fortune stakes are also governed by the statutory online slot limits in the United Kingdom. Players aged 18 to 24 can stake no more than £2 per game cycle, while customers aged 25 and over have a £5 maximum. Those limits have applied since 21 May 2025 and 9 April 2025 respectively, and they apply to each game cycle rather than to a whole Dropdown sequence.
Yes, Vault of Fortune can be played on compatible mobile phones and tablets. Yggdrasil supplies the slot in both desktop and mobile formats, allowing the 5x3 grid, the multiplier display and the Dropdown animation to adapt to smaller screens.
Vault of Fortune mobile play normally takes place through a compatible casino website in a supported browser. The same age verification, licensing and stake-limit requirements continue to apply in the United Kingdom when the game is opened on a smartphone rather than on a desktop computer.
Vault of Fortune can be offered to players in the United Kingdom by online casinos that hold the appropriate Gambling Commission licence and carry the Yggdrasil catalogue. British customers must be at least 18 years old, complete the required verification procedures, and stay within the statutory online slot stake limits while playing.
Vault of Fortune is listed on Wildz internationally, but Wildz 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 licensed for the British market, rather than assuming that the international Wildz platform accepts UK registrations.
Vault of Fortune real-money play in the United Kingdom falls within the regulatory system supervised by the Gambling Commission. Operators serving customers in England, Scotland and Wales must hold the appropriate licence, and the Commission maintains a public register where a gambling business can be checked before any money is deposited.
Vault of Fortune players must be 18 or older to gamble online in the United Kingdom. Licensed operators are required to verify customer identity and age before gambling is permitted, with the minimum verification information covering name, address and date of birth.
| 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 |
| Wildz status for UK visitors | Wildz states that UK visitors are redirected to partner casinos |
Vault of Fortune players should also distinguish Great Britain from the United Kingdom as a whole when interpreting Gambling Commission rules. The Commission regulates gambling in England, Scotland and Wales, while Northern Ireland operates under a separate legal framework and is not governed by the Gambling Act 2005 in the same way.
Vault of Fortune pays matching symbols on 20 paylines counted from the leftmost reel, then removes the winning symbols so that new crates drop into the gaps. Each consecutive Dropdown win raises the multiplier by +1, and the chain continues until a drop produces no qualifying line.
Vault of Fortune is listed by Wildz with a default theoretical RTP of 96.01%. The figure describes a calculated long-term return measured across a very large number of rounds rather than a single session, and the in-game information panel confirms the setting for the version being played.
Yes. Yggdrasil supplies Vault of Fortune in both desktop and mobile builds, so the 5x3 grid, multiplier counter and Dropdown animation scale to phones and tablets. Play normally runs through a casino website in a supported browser, under the same age and verification requirements.
Vault of Fortune has maximum win potential of 11,000x the stake in its standard listed configuration. Reaching it requires a long Gold Chamber sequence in which the multiplier accumulates across many free spins without resetting, so the figure is a technical ceiling rather than a representative outcome.
Min/Max Bet:
€
1.00 –
100.00
Volatility:
High
(7/10)
Platform:
Desktop & Mobile
Developer:
Yggdrasil
Game Type:
Slots