There are a lot of games studios developing classic and popular casino games. Some of them was manufacturing slot machines for land-based casinos since 1970 and now are producing online slots. That’s why you can also play online versions of popular slot machines like Cleopatra, Rainbow Riches, Davinci Diamonds, Pharaoh’s Fortune, and many more.
Below you can check some games studios that are providing online casinos the best slots games.
If you like to play the best slots online, check Café Casino that is always offering nice promotions, free spins, and no deposit bonuses.
Microgaming
When it comes to online casinos, Microgaming is one of the best providers offering state-of-the-art online casino games. Microgaming has numerous awarded casino games and most of the games in partnership with the movie industry.
The high quality and realistic aspects of Microgaming games are incredible and the top technology used to develop casino games are always improving allowing gamblers to try “something new” in every launch.
Not only the quality makes Microgaming one of the most popular online casino software providers, but also the biggest progressive jackpot network and online poker network. The already provided casino games for over 600 online casinos, poker rooms, and bingo rooms supporting 24 languages.
Below you will find a list of Microgaming casinos and some information such as welcome bonuses and promotions (including no deposit bonuses). To visit any casino listed below, you only have to click on the name you want. You can play free Microgaming casino games on our free casino games page.
IGT
This is, in my opinion, the best slot machine manufacturer that is now online, releasing online versions of its popular titles famous on casino floors around the globe. IGT slot machines are the best because it allows you to play online great classics you already played at brick and mortar casinos.

Cleopatra, White Orchid, Monopoly, Pixies in the Forest, Coyote Moon, Rainbow Riches are only a few of the games developed by IGT. The provider also has games produced with TV blockbuster themes like Star Trek, Ghostbusters, Transformers, Sherlock Holmes and others.
Bally
Needless to say, Bally slot machines are another great option for players. Even if you don’t play slot machines, I’m sure some of the games produced by Bally called your attention when you visited a casino or slots pub. Some of the most popular Bally slot machines are Michael Jackson, Titanic, Cirque du Soleil Kooza, Cirque du Soleil Amaluna, Vegas Hits, Topgun, Anchorman, Acorn Pixie, and more.

Just like IGT, slot machines by Bally can be played also online. Bally slot machines are also available on legal USA online casinos which is great for American gamblers that can’t visit a Las Vegas casino regularly.
Novomatic
It is difficult to find a casino players that don’t like Novomatic slot machines. The best slots by Novomatic can be found at brick and mortar casinos and also at online casinos. Unfortunately, not all countries can play Novomatic slots with real money due to the gambling regulations in some jurisdictions.
Novomatic launched very good slot machines that became a huge success at casinos in several parts of the world. Their video slots are also a big success at online casinos. Slots players love most of their games. Book of Ra, Lucky Lady’s Charm, Faust, Sizzling Hot, Indian Spirit, and many more are just a few of the Novomatic video slots.

Aristocrat
Aristocrat is a slot machine manufacturer based in Australia that became very famous in casinos in the UK. Aristocrat slot machine games are popular especially because they have developed award-winning titles like Britney Spears, The Rolling Stones, Maria Carey, The B52’s and also slot machines themed by TV series like Walking Dead, The Big Bang Theory, and many more.
Definitely, Aristocrat slot machines will call your attention when walking through a land-based casino or when visiting an online casino. Unfortunately, not all of the slot machines of Aristocrat are available to play online.

Play’N Go
Different that IGT, Bally, and Barcrest, this game-studio is entirely dedicated to online games. Play’N Go has been around since 1997 producing games, but since 2005 they started to develop their own slot games. Play’N Go slots usually came with superb graphics, animations, and sounds. The game studio mastered slot machine development and most of the best online casinos are using their games.
In terms of games, Play’N Go video slots are popular in several online casinos. Some of the most played games are Pearls of India, Sabaton, Twisted Sister, Saxon, Demon, Reactoonz, Fu Er Dai, Black Mamba, and more. You will love their games, for sure!

NetEnt
NetEnt (Net Entertainment) is a powerful name in the online gambling industry, developing casino games for many years. The company is very respected and is one of the giants in the game development. The best NetEnt slot games can be played at several online casinos that usually offer bonuses and welcome spins using their games. I can quote some of my favorite NetEnt slots that includes Starburst, Gonzo’s Quest, Guns N Roses, Jimi Hendrix, Motorhead, Blood Suckers, Dead or Alive, Dracula, and many more.
Almost all online casinos today are offering NetEnt slots due to the popularity of their games. You will really enjoy the high quality graphics, playability, and bonus rounds of their games.

Playtech
Playtech Casinos are known for their high-quality casino games. No matter if what you look for is table or slot games, Playtech provides a huge variety of casino games and famous titles such as Kong – The Eighth Wonder of the World, Iron Man, X-Men, Gladiator, The Mummy, The Incredible Hulk, Frankie Dettori’s Magic Seven and many more…
Playtech live casino games are also amazing just like their slots. The provider has a good live casino studio streaming live Blackjack, live Roulette, Baccarat,
In 1999, Playtech became one of the most important online casino software providers and also introduce their multi-millionaire iPoker Network in 2004.
Nowadays, Playtech owns a large share of the online gambling market and the quality of their software are extremely high in all sectors (casino, bingo, mobile gambling, live dealers). Playtech powered casinos usually come with a variety of gambling options to catering to millions of gamblers worldwide any kind of betting needs. In the casino section, punters can find hundreds of games and variations and also an attractive welcome bonus for newbies. For those who want to enjoy the thrill of a real casino, the live dealer option is a “must-play”, and you will find professional/good looking dealers available 24/7.
RTG
Real Time Gaming was established in 1998 and became very popular within North America. Most RTG Casinos accept US gamblers and they got a good reputation not only because of the classic “no deposit bonuses” but also because of the quality of the games, fast payouts, and dedicated support.
Real Time Gaming is the name behind some of the top online casinos such as Manhattan Slots, High Noon Casino, Sloto Cash, and others… The most popular games are Texan Tycoon, Cleopatra’s Gold, Fast & Sexy, Caesars Empire, Shopping Spree, Ronin, Derby Dollars, and more.

Rival
Rival Gaming started its activities in 2006 based in Cyprus. Most of the Rival Casinos are licensed in Curacao by Curacao Gaming Authority. Rival Casinos are known by accepting USA gamblers and also their generous bonuses. The casino games by Rival are is state-of-the-art and their iSlots games were one of the innovative ways they used to get into the online gambling industry.
We have seen some complaints with Rival Casinos but there are some really good and reliable casinos to play using their software. You can play free Rival casino games in our free casino games page.
WMS
The slot machines produced by Williams Interactive (WMS) is also very popular at UK online casinos. Just like IGT, Barcrest, Bally, and Aristocrat, WMS slots are present in both land based and online casinos. So, you can play online versions of very popular slot machines like KISS, Bruce Lee, Jin Ji Bao Xi Endless Treasures, Elvis, Zeus, Buffalo, and many more.
If you are playing slot machines for many years, I’m sure you already played some of the best slots produced by WMS at one of the casinos or pubs in the UK. The company still doing a great job of licensing amazing themed slot machines like Willy Wonka, The Simpsons, Space Invaders, Elton John, and more.

Authentic Gaming
Play live Blackjack and live Roulette is not a new thing for online casino players. There are a lot of providers and game studios that are offering live casino games and TV show games like Deal or no Deal, Dream Catcher, and other live dealer games to entertain and offer players a realistic experience. If compared with other games studio, Authentic Gaming has something really exclusive.
The big difference between them and Authentic Gaming, is that this company is also offering live Roulette from a real casino. For the first time, players can play live Roulette directly from a real casino with local gamblers playing with you. This innovative way to play will take players to a real casino. Your gameplay experience is real.

Crazy Tooth Games Studios
Crazy Tooth Studios is a casino game studio based in Reno, NV that has been producing interesting and innovative slot machines. The company has been also launching some of its games through a business agreement with Microgaming. Some slot machines of Crazy Tooth Games Studios are only available on land-based casinos. I can quote Bollywood Fantastic, Diamond Bride, Dream Pool, and more.
For online casinos, Crazy Tooth Studios developed innovative slots like The Incredible Balloon Machine, Artic Valor, 7 Sevens, Queen of the Crystal Rays, Ancient Warriors, and more. Compared with other Games Studios, I can recommend their games because of their innovation. Most of the slot players are bored to play the same games, and here, you will find some innovative slot machines to play online.
Tom Horn
Another good game studio is producing slot games for online casinos. Tom Horn is not so famous like other giants in the area, but their games are making the difference, especially for players looking for something different.
Some of the best Tom Horn slots are Sherlock – A Scandal in Bohemian, Frozen Queen, Wild Weather, Red Lights, 243 Crystal Fruits, and more. You will experience good graphics and animations while playing Tom Horn slots. The company is doing a great job of entering regulated markets. Worth try their games! They are different from other games studios and very entertaining.