The month was generous with creative novelties. Providers reinterpreted popular stories and offered unusual themes. Casino.ru editorial staff has compiled a rating of the most impressive slots for May 2025, which managed to attract the attention of players. The selection includes machines from Pragmatic Play, Play’n GO, Hacksaw Gaming and other providers. Official demos with detailed descriptions of features and technical specifications are already available on the site.
Blackbeard’s Bounty
Rating: 4.1
Provider: BGaming
- RTP (%):96.20
- Volatility:high
- Max. rate:100
- Min. bet:0.60
Provider:BGaming
Release date:07.05.2025
Opens the May top “pirate” video slot about Blackbeard and his crew. Users are offered to make a sea voyage in search of treasure.
The format of the field – 5 x 3. Involved 243 active lines. It would seem that everything is quite simple and familiar. But making a winning combination activates the special mechanics of the slot:
- A cascading rotation is launched, and a wild appears on one of the empty cells.
- If the wild symbol participates in a new paid chain, the total multiplier increases.
- The coefficient grows exponentially with each new spin. Its maximum value is x1024.
- Wild remains on the field until the end of the spin and moves between the cells.
Thus, any round can bring large payouts. The chances increase when you start freespins. During the free spins, the multiplier is not reset. The bonus is activated by a combination of 3 or more scatters. At the start you can get from 7 to 11 spins.
Cluster*uck
Rating: 4.1
Provider: Truelab
- RTP (%):96.16
- Volatility:high
- Max. rate:200
- Min. rate:0,20
Provider:Truelab
Release date:19.05.2025
Provider has released an automaton about the adventures of warehouse boxes. When the store closes, a real party starts. Each character is endowed with its own character: for example, the package labeled “Fragile” takes everything to heart.
The Cluster*uck machine is based on cluster payout mechanics. Combinations consist of 5 or more symbols. Winning symbols are removed. Empty cells are filled with smaller symbols. Thus, the playing field increases from 4 x 4 to 16 x 16.
There are 3 types of wilds involved in the game. The regular one replaces other pictures. Scatter wild participates in clusters and fills the bonus counter to activate freespins. You need to collect 5 star symbols in one round to advance to free spins. The wild multiplier activates the progressive multiplier. The value grows every time such a symbol is involved in making a winning combination. It can reach x500.
There are mysterious symbols on the field. They choose an arbitrary icon, all instances of which turn into more valuable signs
There are mysterious symbols on the field. They choose a random icon, all instances of which turn into more valuable signs.
From time to time, modifiers are triggered. For example, when the field expands almost to the maximum, the shuffle function can be activated. Large symbols are broken into smaller ones, which increases the user’s chance of collecting winning combinations.
Freespins start on the field with a format of 8 x 8. With each spin at least one wild with a multiplier will fall out. The multiplier value accumulated in the main game is transferred to the bonus game. When the multiplier reaches a value of x7, x10, x50, x100, x250 or x500, new spins are added.
Users can win up to 25,000 bets. RTP IS 96.16%. Volatility is rated at 4 points out of 5.
Kill Em All
Rating: 4.2
Provider: Nolimit City
- RTP (%):96.21
- Volatility:high
- Max. rate:100
- Min. rate:0,20
Provider:Nolimit City
Release date:20.05.2025
This is an experimental slot in the spirit of the Dungeons & Dragons board game. The user will have to fight monsters and defeat bosses. For each destroyed opponent is awarded payouts. There are no classic lines and popular mechanics in the game.
On the screen there is a field format 3 x 1, above which appears the image of the monster. The player’s goal is to get gun symbols on the drums. In case of success, the re-spin is activated, and the monster’s health points are taken away. The first opponents have only 2-3 lives, it will be more difficult to eliminate the bosses.
After each victory, the user receives a chest. It contains winnings and various modifiers:
- Multipliers up to x5.
- Freespins.
- Scatters.
- Weapon enhancers.
- Increased payouts.
- Potion that makes monsters weaker.
- Double chests.
Every fourth enemy is a boss. Defeating him activates an arbitrary improvement and takes the user to the next level.
The provider also added freespins in two variants – Dungeon Smackdown and Dungeon Domination. They are triggered by a combination of different scatters and differ slightly in terms of functionality. Unlike the basic mode, the battle progress is not reset between spins.
The maximum winnings are 11,916 bets. The highest RTP is 96.21%. Volatility is high.
Dragonfate’s Favor
Rating: 4.4
Provider: Play’n GO
- RTP (%):95
- Volatility:high
- Max. rate:100
- Min. bet:0,10
Provider:Play’n GO
Release date:22.05.2025
Once upon a time, humans and dragons lived together. But over time, the mighty creatures lost their power and were forgotten. The plot of Dragonfate’s Favor is dedicated to their revival. Users will witness how a lost amulet will call the dragons back to the villages between the rocks and forests.
The format of the field is 6 x 4. There are 4096 winning lines. Combinations are formed in the classic way – from left to right. Only complete chains of 3 or more symbols are paid. Maximum winnings – 30 000 bets.
Gondar is a yellow dragon and guardian of the amulet. His image performs the function of a wild. Wild symbol falls on all reels, except for the first, and is presented in two variants:
- Stacked- occupies several cells.
- Normal – the size of one cell. Can appear with an increased multiplier (x2 or x3).
When the stacked wild becomes fully visible on the reel, the Goldar Respins option is activated. The player will get a series of re-spins. The trigger sign will become sticky and move to the edge of the field between respins. Regular wilds will also acquire such qualities.
The provider has added 3 freespins modes. In Alpha Blessing, stacked signs move across the grid in any directions. In Hatchling Reward, only regular wilds appear, which receive increased multipliers. In Dragon’s Gift, any wild symbols become sticky and wandering.
Ragnarok 40K
Rating: 4.1
Provider: SlotMill
- RTP (%):96.45
- Volatility:high
- Max. rate:60
- Min. bet:0,20
Provider:Slotmill
Release date:20.05.2025
When developing this slot, the provider turned to Scandinavian mythology. Ragnarok is a key event that marks the end of the world and the beginning of a new era. Gods and giants will fight in the final battle. The machine allows you to get up to 40,000 bets.
Ragnarok 40K combines cluster and cascade mechanics. They are complemented by several other features:
- Guaranteed wild- appears randomly in an empty cell after a cluster match.
- Progressive multiplier – grows exponentially after each payout.
But that’s not all. The Loki’s Trick feature can trigger before the start of any spin and increase the starting value of the multiplier. If there is no paying cluster on the reels, large symbols appear randomly on the field, which occupy 4 or 9 squares.
During a series of freespins, the progressive multiplier is not reset. The RTP of the base mode is 96.07%. The volatility is very high.
Cyber Gypsies
Rating: 4.1
Provider: Belatra
- RTP (%):96.02
- Volatility:high
- Max. rate:2500
- Min. rate:20
Provider:Belatra
Release date:15.05.2025
Cyber Gypsies resembles a fever dream – that’s how the developers described the slot. Users together with the main characters get “inside” the old video game. They will have to explore the pixel world in search of a way out and winnings.
The machine has a high volatility. RTP is 96.02%, the maximum payout is x8888. The playing field is standard. There are 20 active lines.
Wilds fall out from the second to the fourth reels and contain an additional multiplier. In the basic mode possible values of x2 and x3, when activating Hot Mode multiplier increases to x8. If several wilds participate in one combination, their multipliers are summed up.
Scatters are made in the form of pictures with joysticks and appear only on odd-numbered reels. A combination of 3 such symbols activates freespins. During the bonus, wilds always fall out with an additional multiplier and remain on the field until the end of the round.
But first the user needs to choose a character. His image will appear in stacked form
But first the user needs to choose a character. His image will appear in a folded form.
Hack Mode is another built-in feature. It works both in the main game and during a series of freespins. On the field falls an arbitrary number of wilds. They can create winning combinations.
Fiesta Fortune
Rating: 4.0
Provider: Pragmatic Play
- RTP (%):96.50
- Volatility:high
- Max. bet:250
- Min. bet:0,10
Provider:Pragmatic Play
Release date:15.05.2025
Pragmatic Play released a colorful slot with cartoon graphics. The machine is dedicated to Mexican culture – the city is festively decorated for the festival, the background sounds guitar, and on the drums fall out pictures with tacos, maracas and cacti.
The machine has 5 reels, 3 rows, 10 lines. Most symbols create combinations when falling out in an amount of at least 3 pieces. The exception is the image of the eagle, which is paid when collecting from 2 copies. The machine contains several special signs:
- Wild symbol- appears on all reels except the first.
- Scatter – paid and starts freespins. Meets in any position.
- Money symbol – carries denominations from x1 to x250 and is paid only in the bonus round. Mini-game is triggered by the fallout of at least 6 of these symbols.
- Golden skull – a type of scatter, which activates the bonus and takes during it an increased coefficient.
The mini-game is based on the Hold and Win mechanics. The user gets 3 starting spins. They are resumed when each new symbol falls out. At the end, the denominations of all received coins are counted. There can be fixed jackpots among the money images.
During a series of freespins retain the mechanics of the basic mode. The main difference – sticky money signs. They remain on the field and increase the likelihood of moving to the bonus level.
The maximum payout is x5000. RTP – 96.5%. The level of return does not change during the game.
Pray for Three
Rating: 4.3
Provider: Hacksaw Gaming
- RTP (%):96.4
- Volatility:high
- Max. bet:100
- Min. bet:0,10
Provider:Hacksaw Gaming
Release date:22.05.2025
Ominous music and retro cartoon style are realized in the new machine provider.Hacksaw Gaming is dedicated to the urban legends of Creepy Mary and Sick Magda.
The grid layout is 5 x 5. Combinations match in 3125 ways. Collecting a paytable chain activates a cascading drop.
The main feature of the slot is the Wheel of Sin located above the reels
The main feature of the slot is the Wheel of Sin located above the reels.
The user will notice that at the top there is information about the current winnings. If one is lucky, it can be increased. The reels spin if two images of a hand with rosary beads fall on the field. In the cells appear multipliers or coefficients up to x333, which are applied to the received payout.
The machine contains 3 variants of freespins that are triggered when a certain number of scatters are collected. All modes consist of 10 free spins, but differ in terms of features. Wicked Ways is a standard bonus, during the action of which hand symbols fall out more often. In Living on a Prayer mode, only “divine” scatters appear, activating all sections of the Wheel of Sin. During the Flames of Fortune freespins, at least one hand symbol will appear on each spin.
The maximum RTP is 96.4%. Volatility is high.
Ghostfather Awakened
Rating: 4.5
Provider: Peter & Sons
- RTP (%):96
- Volatility:high
- Max. rate:10000
- Min. rate:10
Provider:Peter & Sons
Release date:22.05.2025
A year ago, the character Igor Vasilevich first appeared in Peter & Sons. More precisely, the ghost of this hero. Fresh slot introduces users to new characters. But the main characters remain unchanged. Users will continue to explore the abandoned mansion with portraits of the Vasilevich couple, Uncle Stoyan and Gogu.
This is a machine with a classic field format 5 x 3 and 20 active lines. In the basic mode triggers the instant payout feature. Pictures with ghosts are money signs that bring winnings when simultaneously falling out with wilds.
During a series of freespins triggers the accumulative bonus. Above the field appear 3 counters with pictures of playing cards that fall out with the money symbols. When the sector is filled, an additional feature is activated. Spades bring 3 more free spins. Worms increase the multiplier of the wilds. Diamonds accrue instant payouts.
The provider estimates volatility as above average. The base RTP is equal to 96%. The maximum payout is 10,000 bets.
Sticky Bandits Thunder Rail
Rating: 4.2
Provider: Quickspin
- RTP (%):96.87
- Volatility:high
- Max. rate:100
- Min. bet:0.10
Provider:Quickspin
Release date:29.05.2025
The first slot of the series was released in 2017. Since then, the provider has released 6automats about the Wild West. According to the plot, cowboys hunt for trains with gold. This time, the composition of the governor fell in the crosshairs. This is a personal matter – Ezra Blackwood wants to show who owns the land and its riches.
The 5 x 4 field layout provides for 26 active lines. However, during the bonus features, the layout can increase to 7 columns and 7 rows. In this case, the number of winning lines will be 53.
Of particular value are the wilds. Each wild symbol activates a re-spin
Wilds have a special value. Each wild symbol activates re-spin.
If another special symbol appears during this, the function will continue. Wilds are created of several types:
- Tall- expands vertically.
- Diagonal- increases diagonally.
- Big- expands to the size of 2 x 2.
- Random- brings up to 4 wild symbols.
- Multiplier- gets an increased multiplier up to x100.
- Cash- contains an instant payout of up to 100 bets.
- Row Expansion- adds a row from the bottom.
- Column Expansion- expands the field by one reel.
- Mystery- occurs only in Extra Bet mode and takes over the functions of other wilds.
Bonus Train Heist is based on unusual mechanics. In the center of the field format 7 x 7 appears cowboy. He moves to the neighboring cells if the symbols fall on them. The character is given 3 lives, which are spent in confrontations with the police, but the appearance of a new symbol renews health points.
Along the way, the cowboy gets the usual money symbols and boosters. For example, Grabber is a collection symbol, Doubler is a multiplier, and Re-Activator allows you to once again collect payouts for multiple icons.
The maximum RTP of the machine is 96%. Particularly lucky users can win up to x10,000.