The gaming software design has come a long way since the first electronic descendants of the 19th century’s Liberty Bell were lined up in the casino halls, featuring the PG-13 imagery and naïve aesthetics. As the market evolved, slot machines developed into more complex platforms, but the true revolution was sparked with the arrival of online casinos and the expansion of internet gambling.

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The simple 3-reel machines were pushed aside to make room for visually supreme releases with more sophisticated structure and features, going as far as to adapt the slots to Virtual Reality technology.

The new age also created the need to provide the players with more engaging content, and the usage of the popular sex in advertising method did not bypass the gambling industry. To maintain the competitive edge, the software developers started looking for new ways to appeal to their target audience, launching slots of a more provocative nature (for both land-based and online gambling markets).

While these are still not something that you will find in just any venue, adult content slots that feature erotic (or even soft pornographic material in some cases) have a solid fan base, attracting those with more explicit taste.

So, if you ever find yourself feeling particularly naughty, the adult slots listed below might warm up a lonely night and provide a few hours of uncensored fun.

Scandinavian Babes by Play’n GO

Compared to some releases from this list, Scandinavian Babes slot is quite toned-down, leaning more towards moderate erotica. Played on 5×3 reel grid across 15 adjustable lines, this Play’n GO online slot allows the players to bet as little as $0.01 on a single active line, or press the bet to $18.75 per spin (by activating all 15 lines, increasing the denomination, and wagering up to 5 coins per line).

The volatility is between medium and high and the hit frequency of bonus features is somewhat low.

Bonus Features

The game benefits from Free Spins that may be particularly difficult to trigger at times, but the base game wins will still land frequently.

Free Spins

Free Spins are activated by the stacked Wild Brunette on the first and last reel. This will set in motion 15 bonus rounds, during which reels 1 and 5 will hold still while the rest of the columns are spinning.

Free Games

A classic picking game that can award up to 150x multiplier. All you need to do is select one of the 3 dancers and a cash prize will be revealed (along with the other two prizes that you did not get).

Gamble

This feature activates after every win, enabling you to double the payout every time you guess the colour of the card facing down. The payouts are higher if you manage to guess the suit as well. The feature is, of course, optional, and you can simply collect the money and continue the session without gambling.

Overall Rating

Level of Erotica: Low/Medium

Bonuses (on the scale of 1 to 5): 3

RTP: 94%

Variance: Medium to high

Playboy Slot by Microgaming

Playboy by Microgaming is a 243 ways to win slot launched in 2013, generating up to 1,215,000 coins per spin. Despite the legacy of the brand, Playboy slot designers have shown an impressive amount of restraint, opting for a sexy rather than a raunchy interpretation of the theme (you can check our comparison of all Playboy slots).

Bonus Features

The Bunny is the Wild symbol that doubles the payout every time it completes the winning combination. It can also replace all other icons except for the Stack of Playboys Scatter, which triggers the Playboy Club Free Spins.

Free Spins

As mentioned, the bonus rounds in Playboy slot are unlocked when the combination of 3 to 5 Scatters is formed on the reels, initiating one of the following Free Spins modes:

• Kimi (unlocked at the initial bonus feature activation): 15 re-triggerable Free Spins with x5 multiplier
• Sofia (unlocked on the 5th bonus feature activation): 15 Free Spins with Running Wilds. The stack of Wilds increases on every spin.
• Ashley (unlocked on the 10th bonus feature activation): 20 Free Spins with Rolling Reels and progressive multipliers (up to x5)
• Jillian (unlocked 15th bonus feature activation): 25 Free Spins with randomly triggered Wild Night Feature which will make up to 5 reels wild.

Sofia, Ashley, and Jillian Playboy Club Free Spins cannot be re-triggered.

Overall Rating

Level of Erotica: Mild to medium

Bonuses (on the scale of 1 to 5): 4

RTP: 96.57%

Variance: Medium to high

Twerk Slot by Edorphina

Those with an appreciation for curves will enjoy Endorphina’s 5-payline slot immensely. Not only does the 2016 release celebrate the female form in all its glory, but it also produces up to 250,000 coins per spin.

The gameplay is quite simple, and Endorphina seems to rely on derrières and upbeat music to keep the players engaged.

Bonus Features

The dynamic Battle Feature with bonus points awarded every time your dancer defeats the opponent in the dance-off (or twerk-off, in this case).

Free Spins with Battle Feature

3 Scatter symbols will activate the Free Spins with the Battle Feature, during which one of the girls will be singled out to compete with other dancers. The battle will last up to 6 rounds and whoever scores more points will win. The feature is re-triggered if more Scatters land on the reels, adding 3 more dance rounds.

Risk Game Gamble Feature

Every payout can be increased up to 10 times if the player’s card beats the virtual dealer. You will have four cards to choose from – Joker trumps all hands, and only the player can draw this card. Same value cards will be resolved as a push.

Overall Rating

Level of Erotica: Mild

Bonuses (on the scale of 1 to 5): 2

RTP: 96 %

Variance: High

Benchwarmers Football Girls by Playtech

This slot combines two ultimate fantasies of an average male – football and provocatively dressed ladies. Benchwarmers Football Girls is a 30-payline game that’s suitable for both high limit slots players and recreational players. The lines can be adjusted, allowing you to bet $0.20 – $3,000 per spin.

The Benchwarmer Girls are the high paying symbols, with the eager supporter of the Italian football club as the highest-value icon. The next in line are four equally enthusiastic females, who were so eager to see the game that they rushed to the court wearing nothing but their underwear…

Bonus Features

The slot offers Free Games with the Bench Warmer feature and Football Bonus where you can reveal cash prizes.

Free Games with Bench Warmer Feature

The Free Rounds are activated by 3+ Bench Warmer Scatters and before the feature is initiated, you can select any of the Benchwarmer Girls to cover the first reel. The symbol will remain locked on the reel for the next 4 spins – the rest of the girls will not land on the grid during the feature.

Bench Warmer bonus can be re-activated an indefinite number of times.

Football Bonus

If a Bonus symbol lands on the reels 1 and 5, the Football Bonus picking game will be initiated, prompting you to pick 3 out of 5 balls and reveal cash prizes. Unfortunately, this feature cannot be re-triggered.

Overall Rating

Level of Erotica: Mild to medium

Bonuses (on the scale of 1 to 5): 3

RTP: 95.97%

Variance: Medium to high

Red Lights by Tom Horn Gaming

A steaming hot release, inspired by the infamous Red Lights district in Amsterdam, where love (or lust) is for sale day and night. Instead of using real-life footage, Tom Horn Gaming decided on a more tactful approach (for the lack of a better expression). This will not diminish the eroticism of the slot, and even the animated girls are quite capable of raising the players’ heartbeat levels.

Bonus Features

The slot features two Wild Symbols which can replace all other icons and activate the Free Spins.

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Sticky Expanding Wild

The Free Spins start when one of the two Wild Girls lands on reels 1 or 5, locking into the landing position and expanding across the entire reel. Additional spins can be triggered if more Wilds appear on the grid. The payouts generated in the Free Spins will be doubled if a single Expanding Wild is locked on the reel or quadrupled if two Wilds share the grid.

Strip Gambling Feature

All payouts can be boosted in the Strip Gambling Feature, which is quite cheeky, inviting you to strip one of the girls. To double the winning amount, you will have to guess which of the two symbols hides behind the silhouette in the middle of the game screen. Every time your guess is correct, the amount will be doubled.

Mystery Win Feature

Mystery Bonus is awarded randomly – a combo of 3 X symbols can form a combination in the middle of the screen and award a cash prize on any spin.

Overall Rating

Level of Erotica: Medium

Bonuses (on the scale of 1 to 5): 4

RTP: 96%

Variance: Medium

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Honourable Mentions

Super Quick Hit Playboy Sunset Sapphires

Super Quick Hit Playboy Sunset Sapphires is a land-based slot cabinet manufactured by Bally. The game is the part of the series, and you can also try your luck on the Super Quick Hit Playboy Midnight Diamonds, which is just as sexy.

Bonus Features

The Sunset version introduces the Cash Wheel Bonus, Respin Bonus, 2 Free Games features and the Quick Hit Progressive Jackpots. For a chance to win a jackpot, you will need to press the bets.

Super Quick Hit Feature

Activated by a cluster of Scatters which either pay up to 1,500x player’s bet or trigger the Quick Hit jackpot on a maximum bet.

Respin Bonus Feature

3 stacked Super Quick Hit icons will start this bonus, during which the reel grid will expand, adding 3 additional rows. Any extra Super Quick Hit icons that land during the feature will remain locked on the reels.

Wheel Bonus Feature

The Wheel Bonus icon can only land on reels 2- 4, granting a spin on the wheel. The spin can award a cash prize with a multiplier or one of the two features:

• High Rise Free Games Feature – 8 free games with an increasing number of paylines (105 betways will be activated in the last two rounds)
• Sunset Sapphires Free Games – 6 free games with an increasing number of paylines and a random Booster Wheel Feature. Boost Wheel replaces all Super Quick Hit icons with a symbol that carries up to x10 their individual value.

Overall Rating

Level of Erotica: Medium

Bonuses (on the scale of 1 to 5): 5

RTP: N/A

Variance: Medium to high

Delicious Desires

Probably the most explicit slot on the list, Delicious Desires goes way beyond sexy and enters the reals of soft porn.

It is played on 9 paylines and every time a winning combination is formed, the featuring ladies become (believe it or not) even more loose, not leaving anything to the imagination.

Bonus Features

The main attraction of the slot, apart from the hot ladies, is the Free Games feature awarding trebled prizes.

Free Games

Free Games symbol starts 15 re-triggerable free spins, but only if it lands on the first and the last reel. During the bonus, all payouts will be multiplied by 3.

Gamble

One other way to increase your winning before collecting it would be to use the Gamble option. To double the amount, you must guess the colour of the card facing down. Or, to be more specific, you will need to opt for either Black or Red and then stop the flashing card.

Overall Rating

Level of Erotica: High

Bonuses (on the scale of 1 to 5): 2

RTP: N/A

Variance: Medium to high

When it comes to online casino games, there is a little something to entertain every type of player. Whatever mood you’re in, there is a casino game that’s going to cater to your every desire.

Magic slots combine fantasy with wonderous riches, sport slots let you jump into the spotlight to land a fortunate home run, and classic slots bring back a taste of the good old days but with some very modern jackpots.

As the title of this article suggests, ‘Adult Casino Games: Online Games to Play’, there is also a very special genre of online casino game that adds a touch of spice to your gameplay, above and beyond big wins.

From risqué slots to heat up your online casino experience to those designed to ignite a bit of passion, if you fancy something a little different, there are plenty of casino games out there for you to experience.

But, the big question is, which online casino games combinethe best bonuses, with the sexiest spins?

Having searched far and wide for the sauciest slots with the hottest bonuses, we have put together our top 5 list of adult casino games that you truly have to experience first-hand to believe.

Without further ado, these are the adult-only slots you should be playing.

A Night with Cleo

Where better to start our list of top adult casino games, than with a woman who has been described as ‘surpassing beauty’ – the one and only, Cleopatra. A Night with Cleo is the brainchild of Proprietary Games, featuring a classic 5 reels layout and an offer you simply can’t turn down.

With the tone already set for a very saucy night, as the player, you are given the once in a lifetime offer of joining the Queen of Egypt in her own private bedchamber.

The luckier you get with this unique slot, the more seductive Cleo becomes, with the bonus round seeing Cleo discard more and more items of clothing as you win.

Along with the rather entertaining show put on by the Queen of Egypt, there is plenty more on hand to captivate your attention in A Night with Cleo. There are free spins and multipliers to look forward to, along with the chance to double-up on your winnings.

To see for yourself if you have what it takes to make the Queen bare all, you can witness Cleopatra in a brand-new light at Bodog Casino, as well as taking advantage of the lucrative sign-up bonuses on offer.

Pistoleras

No top casino game list would be complete without an online slot designed to get your blood racing. Thankfully, the feisty ladies in Microgaming’s Pistoleras slot, tick all the boxes when it comes to beautiful leading ladies.

The Pistoleras slot is not quite as direct as some of the others on this list, but it certainly still hits the spot when you’re looking for an adult casino game to pass the time with.

Pistoleras is a wild west themed slot with quite a different take on the theme to some of the other similar offerings out there. Featuring a trio of beautiful female outlaws, all of which are wielding a bit of fire-power, you’ll certainly have a challenge on your hands with this 5-reeled slot machine.

Along with some standard bonus symbols, the sexy outlaws in this slot are also offering up the chance to land a jackpot with an interactive mini-game, and spice up your wins with some multipliers. Similar in graphics and style to other Microgaming slots, but a bit more risqué, this is certainly a hot slot to play.

You can get to know the sexy outlaws a little better at the MarathonBet Casino, along with the chance to explore some of the latest online slots, or even stay up to date with the sporting odds.

Soccer Babes

If you have ever wondered what it would be like to replace a soccer team with a bikini-clad woman, then you’re definitely not alone. Thankfully, the perfect combination of sport and beautiful ladies awaits in Soccer Babes. Designed by Spinomenal, Soccer Babes is a little different to your standard soccer themed online slot machine.

To start the ball rolling, you’ll have quite a nice selection of bonuses waiting for you, not to mention the ladies responsible for ensuring that this match is especially exciting.

Wild symbols and scatter symbols feature as main bonuses, with a good handful of free spins up for grabs. Of course, they’re not your normal bonus symbols, replaced instead with some very naughty players.

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There are 5 hot babes in total on the 5 reels, with some added multipliers designed to get you hot under the collar on a lucky spin. Up to a 15x multiplier is available, so you’ll never be short of the chance to land a pretty penny on Soccer Babes.

If you can handle these sport-loving babes, then you can try a heated spin on Soccer Babes at the Bodog Casino. When you choose to take a spin on a Bodog casino game, you can also get your hands on the exclusive Bodog points, which can lead the way to some impressive additional bonuses.

Playboy Slot Game

If there was one adult casino game guaranteed to land a spot on the list, it was going to be Playboy by Microgaming. While there are a few Playboy games out there, featuring the infamous Playboy girls, Microgaming’s take on the theme is one of the most in-depth and exciting amongst online casino games.

The Playboy slot gives the player exclusive access to the Playboy Club, where a whole host of gorgeous ladies are waiting on the reels. The progressive style of the slot means that the longer you spend in the company of the lovely ladies, the more features you unlock in the game.

Four stunning Playboy models are waiting on the reels, which is designed in the classic 5 x 3 style, and coloured with an elegant black and silver design. With 243 ways to win, special bonuses, and plenty of multipliers, you won’t be wanting for action in this online slot machine.

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You can even get a glimpse at a very revealing Playboy magazine cover if you’re lucky enough to land a scatter on the reels.

You can take full advantage of your chance to spend some time with the lovely Playboy ladies at LeoVegas Casino. When you sign up to LeoVegas, you can also claim an impressive welcoming bonus and 120 free spins.

Red Hot Devil

The final slot on our list is without doubt one of the hottest slots in online casinos – in more ways than one. Designed to really heat up your gameplay, Red Hot Devil is amongst Microgaming’s raciest adult online casino games.

Featuring a fiery temptress beckoning the player into her flaming lair, there is little chance you will exit Red Hot Devil without being enchanted.

Along with the devil, players also have a host of other themed symbols to make their trip to the devil’s lair a bit more exciting. Juicy red lips, flaming tridents, and scorched red roses will make an appearance on the reels, along with the chance to land the jewelled heart of the devil.

Luckily, the heart isn’t quite made from stone but does feature a vast range of bonuses for players to enjoy.

As you try to evade the clutches of the enchanting temptress, multipliers, free spins, and the Wheel of Fire bonus can all be won on the reels. Like many classical Microgaming slots, the online casino game features 5 reels and 3 rows, with 25 lines to win on.

Whether you embrace the devil’s power or try to win her over, this online slot certainly provides a unique kind of challenge.

If you fancy trying out the fiery reels of Red Hot Devil yourself, you can test out the game at Mr Green Casino, where there are some top bonuses available and even more unique online casino games to experience.

An Adults Only Show

While all online casinos games are designed for ages 18 and up, adult online casino games take it that step further, and really demonstrate that you are playing a game for adults only.

No matter which style of online casino game you fancy taking a spin on, there is likely to be an adults-only version that will make each and every win that bit more enticing.

Along with the top 5 games on our list, there are plenty of other adult themed casino games that you can check out for more cheeky wins and exciting symbols.

If you’re ready for the real deal, check PornHub Casino which features traditional adult casino games as well as live dealers.

However, if you want to play it safe with some guaranteed sexy spins, our ‘Adult Casino Games: Online Games to Play’ list, ensures that not only are there some incredibly lucrative jackpots waiting, but also some very surprising symbols.