Online Slots Sites and Game Reviews

At Top 20 Bitcoins Casinos, we review the most popular online slots and selection of games, that slots sites offer. Additionally, we list the games with the highest payouts, from all the best online slots providers.

Popular Online Slots

History of Online Slots

When slot machines were created, they became an instant craze. Classic machines featuring fruit symbols or gold bars and bells, were hot games in gambling parlors. By the late 60’s, classic slot machines could be found all around Atlantic City and Las Vegas. Over the years, with advances in technology, slot machines became more grandiose.

Gambling tends to follow close behind technology advances. By the turn of the century, the machines evolved and became more digital.  When internet became mainstream, the first online casinos started popping up. And so, online slots were born. Starting with simple 3 reel games, today, slot games are blockbuster productions. Today, you can find online slots with massive jackpot prizes, 3D animations and crazy bonus features. There is so much competition between game providers today, that a lot of money goes into developing each game.  Moreover, each new game released today is compatible for mobile.

Bonuses, Free Spins & Slots Tournaments

Casinos tend to reward their players with comps. Comps usually come in the form of bonus money or free spins. If you like playing online slots, then you’ll surely earn a lot of comps over time. Since players tend to lose more, playing on slot machines, casinos reward them for playing more on slots.

Every week, casinos release new slots games. One way of keeping players entertained, is by offering them some free spins on the new game. So, players are invited to have 10-25 free rounds on the new game. Of course, a minimum deposit is usually required. Once you use your free spins, your total winnings are issued as bonus money, into your account.

VIP players, that spend a lot of money in the casino, usually receive exclusive invitations to slots tournaments. Tournament setups can vary from, a player with the most winnings, out of a certain amount of spins, to who made the most wagers in a given period of time.

New casinos use free spins and bonus money to lure players. So, players might be offered a free bonus or some free spins, as an incentive to sign up. But as Bitcoin casino players, we look for the best welcome offers, for our first deposits. For exclusive offers, free spins and bonuses visit our bonuses page.

Online Slots Payouts

Before you decide to try out a certain slot game, see if there is a demo version. To calculate a game’s payout, we count how many times we win something out of 100 spins. So, for example, if you spin the reels 100 times, and you won something in 92 of them, then the payout is 92%. Although, to determine a true payout of a game, many more spins need to be evaluated. Below you can find some of the online slots with the highest payouts:

Top Online Slots Providers

There are many different game providers, but only several of them produce high quality games.  Players always look forward to new game releases. A lot of money goes into designing new online slots, these days, so a lot of promoting is done to create hype, prior to the release dates. Here are the top 5 game providers:

Netent – Net Entertainment

A Swedish company that brought innovation and creativity to mobile gaming, which has led them to become the #1 games provider. NetEnt’s games are so popular that you can find them in almost all online casinos. However, online slots, are not the only games they create. They also create table games, video poker, live casino and also game terminals for land based casinos.
Netent’s most popular game titles include: Gonzo’s Quest and Starburst.

Playtech

Playtech was one of the first online gambling software companies to exist. So, for many years they held the number one spot as the top game provider. They provide gaming solutions to some of the biggest online casino brands. Although they have excellent games, most Bitcoin casinos, do not have Playtech slots. One of the very few Playtech casinos that accept Bitcoin is casino.
Playtech’s top grossing game titles are: Gladiator and the DC Comics slots.

Microgaming

Originating in South Africa, Microgaming was the only game provider able to compete with Playtech in the early 2,000’s. Microgaming have hundreds of well known game titles. Together with Playtech and NetEnt, they make up the top 3 industry leaders in online gaming.
Microgaming’s blockbuster slots include: Immortal Romance, Mega Moolah and 108 Heroes. If you love these games, then try these slots sites: BitStarz and BetChain.

There are many more great game platforms, but we want to mention two more, that are popular with Bitcoin casinos.

Amatic Industries

Based out of Germany, Amatic’s main focus was always land based casino terminals. Since, online casinos, have become more popular, they have created online version of their games. They even adapted their games for Bitcoin and other cryptocurrencies, so their games are present in all Bitcoin casinos.
Amatic’s popular games: Billyonaire, Big Panda and Book of Aztec. If you’re looking to play Amatic slots on your mobile then mBit Casino is the right choice for you.

BetSoft

Last on our list, is another great game provider that makes a lot of Bitcoin casino slots. Betsoft also have jackpot slots in Bitcoin and other alt coins.
BetSoft’s most popular online slots are: Greedy Goblins and Slot Father.

So now, that we’ve covered every aspect of online slots, you have all the information you need to start playing. Play now at an online casino that suits you and good luck. If you want to learn more about other games like roulette and blackjack, then check out our games guide.