Best Slots to Play in Pennsylvania

Slot games are, without a doubt, the most popular type of game in an online casino, and for a good reason. Online slots come in all different shapes and sizes. From the classic 3-reel, 1-payline slot to those with over 1,000 winning combinations and other bonus features, you’re likely to find something that suits exactly how you like to play.

Another great reason to choose online slots is their theoretical return to player, or RTP. Slots can have some of the highest RTPs in the casino, reducing house edge and making you more likely to walk out with a profit. For example, the house edge of American roulette is 5.26%, whereas the house edge of the Bloodsuckers II slot is just 2%!

This page will explore some of the best online slots and developers currently available in PA, so if you’re a fan or want to know more, read on.

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Best Jackpot Slot Divine Fortune
Best Slot (Editor's Choice) Blood Suckers
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The 10 Most Popular Online Slots in Pennsylvania

Each of the following slots has excellent gameplay, interesting themes, and generous payouts.

It seems as though PA players like a bit of it all, as the top ten list sports everything from classic 3-reel slots such as Triple Diamonds by IGT to the ever-popular 5-reel video slot Starburst by NetEnt.

If you’re new to online slots or are looking for your next gem to play, these are the ones to keep an eye out for, with some of the highest RTPs found in PA casinos.

Gonzo’s Quest by NetEnt

Gonzo’s Quest is a slot based on Spanish conquistador Gonzalo Pizarro and themed around his time in Peru. Gonzo’s Quest has stunning graphics and a fitting ambient soundtrack. With 5 reels paying across 20 paylines, the slot has 96% RTP, a 2,500 max win, and a couple of nifty features that produce plenty of ways to win!

Any symbols involved in a win will be removed and replaced in a cascading style, with each following win providing a higher multiplier to a limit of 5x. In addition, if players land three or more Free Fall symbols in succession from left to right, players will enter a Free Spins bonus round with all multipliers tripled compared to the standard game!

Wolf Run by IGT

A longtime Vegas favorite, Wolf Run by IGT is a wolf-themed 5-reel video slot with 40 paylines and a maximum win of around 1,000x. Wolf Run has fairly simple gameplay, with Wilds, Bonus Scatter Symbols, and Free Spins bonus rounds, and modest RTP of 94.98%.

Wilds, which can be Stacked and are represented as a howling wolf under a full moon, will substitute for any symbol except for the Bonus Symbol. The Bonus Symbol is the Dreamcatcher, with Bonus aptly written inside. Landing three Bonus Scatter Symbols across reels 2, 3, and 4 will net you five Free Spins that come with a 2x multiplier. Players can trigger the five Free Spins again during a Free Spins round for even more free action.

Starburst by NetEnt

A genuine diamond, Starburst by NetEnt is a gem-themed slot that has 5 reels and 10 paylines that pay from left to right and right to left, with a max win of 250x your bet. While the jackpot is relatively low, this is a low-volatility slot that frequently dishes out wins with 96% RTP.

Bigger wins can be had when the player lands a Wild Symbol, which can be found on reels 2, 3, and 4. When one or more Wild is found, it expands to cover the entire reel and triggers a re-spin. This can happen up to two more times for a total of three re-spins and potentially massive wins.

Cleopatra by IGT

Whizz back to Ancient Egypt in search of riches with Cleopatra, the Egyptian-themed slot with 95% RTP. If you’re looking for a huge win, you’ll be happy to know you can win 10,000x your bet back for landing five Cleopatra Symbols on an active pay line. Landing three or more Sphinx Symbols will trigger the Cleopatra Bonus, awarding 15 Free Spins, which can be re-triggered for a maximum of up to 180 Free Spins.

Finally, the Sphinx Scatter symbol means any two Sphinxes pay twice your bet, three Sphinxes pay five times your bet, four Sphinxes pay 20 times your bet, and five Sphinxes pay 100x your bet.

Blood Suckers II by NetEnt

With a massive theoretical RTP of 96.94%, players can expect to win up to 1,000x their original stake in this vampire-themed slot by NetEnt. Featuring relatively simple gameplay, a Wild symbol will substitute for all other symbols except for the Bonus and Scatter symbols.

Finding three or more Bloody Bat and Sledgehammer symbols will trigger the Bonus Game, taking you to the Burial Chamber, where you can select coffins and slay vampires for profit until you find a group of bats. In addition, players can find three or more Vampire Bride Scatter symbols to trigger a Free Spins feature that comes with a mouth-watering 3x multiplier on all wins.

Siberian Storm by IGT

Siberian Storm is an Arctic-themed 5-reel slot, with the main draw being its massive 720 winning combinations and icy 96% RTP.

Players can trigger the Free Spins feature by landing an Eye of the Tiger Symbol on each of the 5 reels, providing eight Free Spins for each winning combination, for a total maximum of 96 Free Spins that come with extra Stacked Wilds.

Triple Diamonds by IGT

Triple Diamonds is a classic 3-reel slot with 9 paylines, a maximum win of 1,199x the bet amount, and a 95.06% RTP.

With its Diamonds and Bars theme, the Triple Diamond Symbol acts as both the highest-paying Symbol and as the Wild Symbol, standing in for any other Symbol on a pay line. When a winning combination uses one Wild, the bet will pay 3x the line bet amount, and when it uses two Wilds, it will pay 9x the line bet amount. Any combination of bars on a line will also produce a win.

Divine Fortune by NetEnt

Divine Fortune, themed around ancient Greek mythology, is a relatively new progressive jackpot video slot played across 5 reels with 20 paylines and an RTP of 96.6%. The game is jam-packed with four fantastic features, which include plenty of single Free Spins, Expanding Wilds, Free Spins bonus rounds, and, of course, the progressive jackpot.

Divine Fortune has medium volatility, making for somewhat frequent small wins, as well as the occasional chance at the jackpot.

Triple Red Hot 777 by IGT

Triple Red Hot 777 is a classic Lucky 7’s-themed 3-reel, 5-payline slot by IGT with low volatility and a good RTP of 96.13%. The slot features an exciting max payout of 20,000x the line bet, which makes for some huge wins.

Landing three Bonus Symbols in a row on any active payline will award the player seven Free Spins in the Bonus Round. Finding another three Bonus Symbols during the Bonus Round will trigger seven additional Free Spins up to a maximum of 700. During the Bonus Round, players will have a Spitfire Multiplier, which randomly selects a win multiplier between 2x and 7x for that spin, multiplying all wins except the jackpot.

Double Diamond by IGT

With many classic slots, the fancy bells and whistles are left at the door in favor of simple gameplay and solid wins, and Double Diamond is about as simple as it gets.

Even though Double Diamond sports just 3 reels and one payline, players can still hit a 1,000x jackpot with an RTP of 95.44%. Players can win by matching any three Symbols, matching any combination of bars, or getting one or more cherries on the payline. Easy!

Popular Online Slot Makers in PA Casinos

The catalogs of online slots available on your favorite online casino are made up of titles from a range of slot developers. Here are some of the most popular slot makers active in the PA market:

SG Digital

Appropriately located in Las Vegas, SG Digital is an online gaming and sports betting firm owned by Light & Wonder, which was formerly Scientific Games. Creating innovative games, systems, and solutions since 1973, the company has now made clear its plans to continue the focus on its online slots business, meaning gaming fans can expect even more to come in the future.

SG Digital already has some mammoth titles under its belt, such as Monopoly Big Event, which has a staggering RTP of 99%, or Jewel in the Crown, the gem-based jackpot slot that comes with an RTP of 96%.


Known throughout the world for its fantastic range of arcade game cabinets, Konami have been making hit games since the early 80s. Entering the casino gaming market in 1996, Konami now has a well-established catalog of slot games in retail and online casinos across the US.

The Japanese-headquartered organization has a varied range of slot themes, such as the gladiator-themed Roman Tribune, with 96.37% RTP, the Ocean-themed Secret of the Mermaid, with 96.18% RTP, and the Oriental-themed China Shores, which has an RTP of 96.1%.


Boasting six of the top ten slots in PA, International Game Technology, known as IGT, is a global gaming solutions provider with everything from gaming machines to sports betting systems and lottery solutions.

Known to casino fans for its huge range of online slots and table games, the London-based company has a firm stake in the US online casino industry, with many fan favorites listed above, as well as classics such as Wheel of Fortune with 97% RTP and Da Vinci Diamonds that comes in at 94.93% RTP.

You will struggle to find a PA online casino that doesn’t house at least some IGT titles.


With four of the top ten slots on our list, NetEnt is a global slot developer based in Sweden who has won the hearts of many players through its extensive list of games that cover a huge range of themes and slot mechanics.

NetEnt is also well known for having some of the highest payout percentages available in the casino, with the likes of Mega Joker having an eye-watering 99% RTP, BloodSuckers hitting a commendable 98% RTP, and Kings of Chicago returning 97.8% to players.


Are online slots legal to play in Pennsylvania?

Yes. Eligible players in Pennsylvania can legally gamble at any casino licensed by the Pennsylvania Gaming Control Board (PGCB). This license ensures that casinos adhere to the law, which incorporates numerous player protections such as encryption for personal and financial details and third-party game testing for fairness and accuracy.

What is the age requirement for playing online slots?

To play online casino games in Pennsylvania, a player must be a minimum of 21 years of age. When creating an account at a PGCB-licensed casino, the player may be required to provide a document proving their age, such as a driver’s license or government-issued photo ID.

Which online slots are the most popular in Pennsylvania?

Some of the most popular slots in PA include Gonzo’s Quest, Starburst, and Blood Suckers II, each by NetEnt. From IGT, popular slots include Double Diamond, Cleopatra, and Wolf Run. Check out this page for a detailed breakdown of PA’s ten most popular slots.

What is a payout percentage?

A payout percentage is the theoretical average amount returned to the player based on how much they bet. A payout percentage is often referred to as RTP, or ‘return to player.’ For example, a $1 bet with 95% RTP will return, on average and over a large number of spins, 95 cents back.

Which slots have the highest payouts?

There are plenty of slots available in PA with high payout percentages. The highest we wish to mention is the Bloodsuckers slot (98% RTP).

Do online casinos offer free slots?

Yes. Many online casinos have free online slot demos available for players to test out a game with a pretend balance before committing to real money play. In addition, a number of casinos offer free spins on selected slots as welcome or reload bonuses.

What are paylines?

Paylines are the lines on a slot machine in which eligible combinations of symbols can result in a win. For example, a classic 3-reel slot may have just a single pay line, while some modern online video slots can have a whopping 1,024 ways to pay.

What’s the difference between high stakes and low stakes slots?

High-stakes slots have larger wins that occur less frequently, which is excellent if you like to hit big numbers when you win. Lower-stakes slots pump out the wins more often but have a lower maximum win, keeping your bankroll topped up more consistently as you play. High-stakes slots are sometimes referred to as high-volatility slots and low-stakes as low-volatility slots.

What is the max bet on an online slot game?

Many online slots in PA have a maximum bet of around $100, although this varies between slots and developers. A $100 maximum bet is similar to the max bet of many brick-and-mortar casino slot machines in PA.