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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
90 %
Features and playability
85 %
RTP and volatility
96 %
Slot machine details and review Royal Xmass
Royal Xmass is a slot machine that you can find at Endorphina casinos. Itβs a Christmas-themed slot in some ways, but thatβs mostly about decorations, since the premium symbols are mostly about the Royal side of it. Endorphinaβs slot offers 6×4 reels and gives the player a chance to form combinations via 4,096 ways to win.
Every slot machine must be developed by a company that invented, designed and put it into operation. Many players eventually find that they only enjoy playing on machines from specific software provider, so they narrow down their selection by preferred brand.
A high volatility slot. Wins are rare, but can be really big. The game has more pronounced fluctuations and can often go without hitting anything for a long time, suitable for players who like adrenaline, higher risk and work with a larger budget. More about volatility here.
Slot theme and symbols
There are some decorations in the background image, with red bows and fir tree branches arranged behind the reels, but the Christmas part of the theme doesnβt come through very well otherwise. Out of the 11 regular symbols present, 5 will feature various Royalty-related images, mostly things like crowns, jewellery, or trumpets. The rest are the standard 9 to A Royals, in one of the more basic-looking designs you can get.
Royal Xmass theme and symbols
If you like a slot machine with a big top prize, then Royal Xmass is one of the better options you will find, particularly in Endorphinaβs collection. You can test out the demo version of the slot first, but itβs the paid version that will deliver the real value. Up to 93,750x the stake can be paid in a single spin of Royal Xmass, which is excellent, even compared to the many other high volatility slots you can find right now. While it doesnβt apply to a single playerβs spins, the long-term RTP is OK, at 96.01%.
Crown
Ring
Orb
Trumpet
Scepter
Letter A
Letter K
Letter Q
Letter J
Number 10
Number 9
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
YES
Gamble Feature
YES
Locking Symbols
NO
Wild Symbol
YES
Win Multiplier
YES
Other features
Bonus buy
Scatter Symbol
WILD symbol
Available on the last five reels of the game, the Wild symbol will act as a substitute for any other symbol that can use its help (the exception is the bonus symbol).
Scatter symbol
Marked with the Bonus logo, this is a scatter that can land anywhere on the reels to do its job.
Free Spins
Whenever you get 3, 4, 5, or 6 scatter symbols at the same time, the game will trigger for you either 8, 15, 25, or 100 free spins. The advantage, compared to the paid spins, is that the wilds are turned into multiplier wilds here. Whenever they contribute to a win, they boost the prize by either 2x, 3x, or 5x. These values multiply each other if several wilds are in a combo (up to 3,125x when combined). You retrigger this feature via 2 to 6 additional scatters, and you get 5 to 100 more rounds.
Risk Game (Gamble)
The typical Risk Game from Endorphina is available here as well. Itβs an optional feature, which is available at the end of winning spins. Play the card game against the dealer to either win and double the winnings or lose it.
Bonus Pop Buy
This option gives you four different variants for the free spins, each one at a different price point. You can pay 46x the stake for 8 free spins, 172x for 15 free spins, 286x for 25 free spins, or 1,140x the stake for 100 free spins.
Prize table
Symbol
Multiplier
3x in payline
4x in payline
5x in payline
6x in payline
Crown
2x
5x
6.25x
7.50x
Ring
1.50x
2.50x
5x
6.25x
Orb
1.50x
2.50x
5x
6.25x
Trumpet
1x
2x
3x
5x
Scepter
1x
2x
3x
5x
Letter A
0.50x
1x
2x
3x
Letter K
0.50x
1x
2x
3x
Letter Q
0.25x
0.75x
1.50x
2.50x
Letter J
0.25x
0.75x
1.50x
2.50x
Number 10
0.25x
0.50x
1x
2x
Number 9
0.25x
0.50x
1x
2x
Our rating of the game
Royal Xmass
Royal Xmass is not going to be a great slot machine if what youβre after is a holiday-inspired design. It doesnβt do a very good job at that. Itβs an average design, at best. That being said, having a 93,750x top jackpot makes up for a lot of downsides. It can be an impressive slot machine in that way, even though its high volatility and the 96.01% RTP are similar to those of a lot of other competitors. That impressive top prize should be enough to make this an interesting slot for more experienced players, though.
85%
Editor's rating
Design and theme
80 %
80 %
Features and playability
90 %
90 %
RTP and volatility
96 %
96 %
How do we rate slot machines?
We evaluate slot machines based on multiple criteria, from which we make our final verdict.
A 93,750x top jackpot is one of the more impressive rewards you can claim from a slot machine.
Wild symbols are available to help out, and they become multiplier wilds during free spins.
A free spins feature with up to 100 rounds and multiplier wilds that can end up boosting wins by 3,125x.
The odds are acceptable long-term, with the RTP at 96.01%, though thatβs over a huge number of spins.
A Bonus Pop option is available and will let you trigger as many free spins as you want.
Cons
The Christmas-related side of the design is almost non-existent (one symbol and some decorations).
It has High volatility, which means most players should not expect to make a profit.
The features are basic (regular/multiplier wilds and free spins), despite their excellent potential.
Manufacturer Endorphina
Endorphina is a Prague-based online casino software developer founded in 2012, known for creating visually stunning and mathematically balanced slot games. π° The company combines classic slot mechanics with innovative features and engaging storylines, appealing to both traditional and modern players. Endorphinaβs portfolio includes popular titles like Book of Vlad, Hell Hot 100, and Chance Machine 40, all designed in HTML5 for seamless play across devices. Licensed and regulated by reputable authorities, Endorphina continues to stand out in the iGaming world for its creativity, reliability, and focus on player experience.
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+. New Players Only. Β£10 minimum deposit. 100% up to a maximum of Β£200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to Β£200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. GambleAware.org
The overall bonus rating is determined based on several factors: the amount of the bonus, the company's rating, the ease of obtaining it, the players' rating and the conditions for obtaining the bonus.
18+. New players only. Min dep. Β£20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every Β£10 bet on Slots, 1 point for every Β£10 bet on Video Poker and qualifying Side Bets. 0.25 points for every Β£10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at Β£100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Terms Apply. BeGambleAware.org.
Warning: Play and gamble responsibly | Gambling may be addictive 18+ | Underage gambling is an offence | When the fun stops, stop.
I am a writer who specializes in slot machines. I've been writing about them since 2013 and have reviewed thousands of slot machines over the years. I continue to cover the industry and review new releases for Bonusmenu. When I'm off the clock, you'll find me buried in a book or wandering the virtual wastelands of Fallout and the provinces of The Elder Scrolls.
18+. New Players Only. Β£10 minimum deposit. 100% up to a maximum of Β£200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to Β£200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. GambleAware.org
18+. New players only. Min dep. Β£20. Valid for 14 days from registration. Welcome Offer: Earn points for cash bets made to unlock wager-free spins on selected games: 2 points for every Β£10 bet on Slots, 1 point for every Β£10 bet on Video Poker and qualifying Side Bets. 0.25 points for every Β£10 bet on Roulette games. Maximum accumulation of redeemable points is limited to 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally you will earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach a total of 2000 points. Spins credited the next day. Spin winnings credited as cash funds and capped at Β£100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours. Terms Apply. BeGambleAware.org.
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Software provider
Game typeSlot
Reels6 Reels
Winning paylines4096 paylines
