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(Ad) Love playing the best online slots with the best themes, highest RTPs – and best chance of winning?
Then you need to sign up to the top-rated online casinos that have the best slots games.
There are a lot of online slot sites out there, and some are better than others. To help you out, we’ve updated our list of those that have personally been verified by us – with Super Slots taking the top position.
Still, there’s more sites to choose from, and another one might be a better choice for you.
Let’s begin, shall we?
Best Online Slots
- Super Slots (Stacked): Best overall
- Qq88bet (Caesars Empire): Biggest slots payouts
- Cafe Casino (Ocean’s Treasure): Highest-RTPs
- Las Atlantis (Aztec’s Millions): $9,500 bonus
- MyStake (Money Train 2): 100+ bonus-buy online slots
- Red Dog Casino (Ancient Gods): Top pick for free games
- Slots.LV (Atlantic Treasures): Over $5M in monthly jackpot payouts
- Bovada (Arrogant Pirates): Best for classic slot games
- Everygame (Legend of Helios): Top pick for 5-reel slots
- Slots Empire (Popinata): Best casino theme
- Wild Casino (Tower Fortuna): Best for crypto slots
- El Royale (Asgard): 50+ free spins
1. Super Slots (Stacked) – Best Online Slots Overall ($6k Bonus)

- Casino Games: 550+
- Jackpot Slots: 40+
- Bonuses: $6,000 Welcome Package
- Stacked RTP: 96.32%
- Max Payout: 664x ($99,645 on highest bet)
As per its name, Super Slots is an online casino heavily focused on slot games. It’s home to more than 250, many of which have a higher-than-average RTP, provided by some of the biggest names in online slot game development.
The standout slot has to be Stacked. Produced by BetSoft, Stacked has a 96.39% RTP and comes with low-to-mid volatility. Max win is x664.30 and the game is brand new.
Indeed, Super Slots are constantly updating their library with new slots, and you can find all the latest additions at the top of the homepage.
To get started playing slots, you can claim a 250% bonus up to $1,000 on your first deposit by using the code SS250. If you deposit $100 or more, you will also get 100 free spins.
Then, use the bonus code SS100 on your following 5 deposits to claim a 100% bonus up to $1,000.
As well as slots, you can also play blackjack, roulette, video poker and live casino games.
We also think players will appreciate the user layout. Super Slots boasts a professional but colourful site design that’s both aesthetically pleasing and functional.
Everything is easy to find, and there’s a search function to make it even easier for you to find your favorite games.
>> Play Stacked at Super Slots with a $6,000 bonus
2. Ignition (Caesar’s Empire) – Highest Online Slots Payouts ($3k Bonus)

- Casino Games: 300+
- Jackpot Slots: 35
- Bonuses: 300% up to $3,000
- Caesar’s Empire RTP: 97.5%
- Max Payout: $7,500
Ignition is an online casino that’s primarily known for its poker room.
But its selection of online slots leaves nothing to be desired, too. And it’s no surprise, considering that Ignition packs a strong punch with some of the biggest jackpots, evergreen classics, and everything in between.
As such, if you fancy mixing things up between poker and slots, Ignition might be for you.
Alongside its poker rooms, Ignition also offers a very good selection of online slot games. Moreover, rake is highly generous, the graphics are seamless, and there are plenty of casino bonuses that can be used on slot machines, too.
Speaking of bonuses, Ignition offers a 200% bonus up to $2,000 that you can claim on your first deposit. Using crypto, this bonus will increase by 300% up to $3,000, and you can use half of those bonus funds to play slot games, with the other half reserved for poker.
Our top pick is Caesar’s Empire. Its exact RTP is hard to pin down, but there are suggestions it can go as high as 97.50%, which makes it one of the highest-paying slots in the world right now.
Caesar’s Empire was produced by RealTime Gaming.
It comes with 5 reels and 20 pay-lines, and it comes with a random progressive jackpot that you can win on any spin (and it doesn’t matter how much you staked).
In terms of its payment methods, Bitcoin is accepted, as are a number of other cryptocurrencies – and you can request as much as $180,500 in weekly payouts with crypto.
All in all, this is an established online slots casino with thousands of satisfied customers around the world.
>> Play Caesar’s Empire at QQ88BET with a 300% bonus up to $3,000
3. Cafe Casino (Ocean’s Treasure) – Highest RTP Slots ($2.5k Bonus)

- Casino Games: 250+
- Jackpot Slots: 33
- Bonuses: 350% up to $2,500
- Ocean’s Treasure RTP: 95.66%
- Max Payout: 1500x
Cafe Casino is a popular online slots site where you can take your pick from hundreds of slot games, including the entertaining Ocean’s Treasure.
With a 95.66% RTP and a max win of x1500.00, this is a Norse mythology-inspired slot that’s rich with bonus features and cool graphics.
When it comes to its bonuses, Cafe Casino kicks things off with a generous welcome offer worth 350% up to $2,500, which you can claim on your first deposit.
If you’re a non-crypto player, you can claim a 250% bonus up to $1,500 instead. Whichever offer you decide to take, you can use it to play all of Cafe Casino’s non-jackpot slots.
Existing players are then rewarded with a number of subsequent bonuses, promos and perks, while a rewards program gives you the chance to win some of the weekly prize pool.
All the games at Cafe Casino have been optimized for mobile play, and these include blackjack and roulette variants, as well as a good choice of live dealer games.
The payment methods you can use to deposit here include Visa, MasterCard, MatchPay, Bitcoin, Litecoin, Ethereum, and Bitcoin Cash. The great news is that crypto payouts are processed within 1 hour.