Slot Casinos in Norway – The Best Online Slots Casinos for 2025

Best Slot Sites with High RTP Slots

For our review, we have looked for slot casino sites with higher RTPs than the average. The RTP of a casino and its slots is very important because it determines how much return a player will potentially get.

The RTP is a theoretical value and doesn’t mean that you’ll get this amount back every time you play. A casino payout rate is calculated by reviewing every game available on the platform and considering each one’s return over time.

In the table below, we have prepared a list of the best slot casinos in Norway with high RTP rates. All the platforms have an RTP of 96.00% or higher. Here are the 10 best payout slots sites for June, 2025:

In the next few paragraphs, we summarize some of the best real money casino slots with high RTP’s. We share important information with you such as the payout rate of the game, the bet limits and the max payout.

Book of 99 – High RTP Slot from Relax Gaming

Book of 99 by Relax Gaming is played on a 5-reel, 3-row grid with 10 active paylines. This slot stands out with an impressive RTP of 99.00%, which is a lot higher than the average of 96.00%.

A hit frequency of 29.83% gives you a theoretical win on every 3.35 spins on average. Book of 99 offers straightforward gameplay, with free spins and expanding symbols being the game’s main features.

Blood Suckers – Popular NetEnt Slot

Blood Suckers is a vampire-themed, low-volatility slot from NetEnt. It is played on 5 reels, 3 rows, and has 25 paylines. In addition to the wild symbol, there are two special features: the free spins bonus round and the vampire-slaying bonus round.

Unlock free spins by collecting scatters in the form of a vampire bride. A 3x multiplier is applied to your winnings during the free spins round. The vampire-slaying bonus round is triggered when you land three of the stake and hammer bonus symbols.

White Rabbit Megaways – Engaging Slot from Big Time Gaming

White Rabbit Megaways is a slot by Big Time Gaming based on Alice in Wonderland. Although there are many Alice-themed slots, this is one of the best, featuring a high RTP rate and 248,832 paylines.

The game uses the Megaways reel system, meaning that in addition to the any-way win feature, where wins are rewarded for any combination of identical symbols in adjacent reels, the five reels will contain a random number of symbols between two and seven. This way, the number of possible win ways changes with each spin.

Starmania – Space-Themed Slot from Next Gen

Starmania is a high RTP, low volatility slot developed by Next Gen. Enjoy this game set amongst the stars on a 5 reel grid with 10 paylines. The highest paying symbols are the red and yellow bejewelled stars with a max prize of 500 coins.

Landing a bonus symbol will change the screen to pink and purple, and you can then multiply your total bet. Two Bonus symbols pay out 20x your bet, four will give you 100x and five a massive 200x your total bet.

Halloween Fortune – Top Halloween Slot from Playtech

Next on our list is Halloween Fortune, a high RTP slot from Playtech. If you are a fan of Halloween, this is the game for you. With three dazzling witches as the game’s main characters and wild pumpkins, you are in for a real treat.

It is a medium volatility slot with 5 reels, 3 rows, and 20 paylines. You want to see the cauldron full of luminous green potions appear on your reels. It’ll appear on reels 1 and 5, and when it appears on both simultaneously, the witches brew bonus will be triggered. Choose a witch, and she will give you several free games with a multiplier of up to 10x.

Reel Rush – Top Paying NetEnt Slot

Inspired from video games like Super Mario, Reel Rush is a high paying NetEnt slot. The game doesn’t have the average look, instead it contains locked and unlocked reels. The standard playing board is formed like a cross, with this layout providing the foundation for some interesting features.

The more you hit winning combinations, the more the blocks will open, and the more free spins you will receive. This feature can also trigger the Reel Rush slot free spins bonus. If you hit six consecutive re-spins, every block opens up. At this point, you’ll receive eight free spins with a max of 3,125 ways to win.

Mystery Express – Top IGT Creation

Mystery Express is a 5 reel, 3 row video slot with 30 paylines. It is one of IGT’s top creations, taking you on an adventure across Europe. The game is themed around a murder mystery and comes with expanding wild symbols, mini-slot games, fortune wheels, and win multipliers.

There is a lot to enjoy about this slot, with vibrant colours and graphics and an intriguing backstory. The game is inspired by Agatha Christie’s classic Murder on the Orient Express, first written in 1934. The slot’s main characters are a charming young man and a beautiful woman in a Victorian-era outfit.

Dead or Alive – Top-Rated Wild West Slot from NetEnt

NetEnt’s Dead or Alive is a 5 reel, 3 row, high volatility slot with 9 paylines. The game’s theme is based on the Wild West, with Jesse James and Billy the Kid as the game characters and special symbols.

This slot caters to players of all budgets, with a minimum bet of only 1 NOK and going up to a maximum of 500 NOK. Free spins, sticky wilds, and multiplier wins are some special features you can look forward to.

If you are lucky enough, you can win up to 29 free spins with a 2x multiplier attached. Add that to the sticky wilds, and there is potential to win big with every spin.

Joker Stoker – Popular Slot by Endorphina

Joker Stoker is a classic-themed slot by Endorphina. It has 5 reels, 4 rows, and 40 paylines. You can unlock up to 30 free spins and an exciting risk gamble feature where you could double your winning 10 times.

With betting limits starting at a minimum of only 5 NOK and going up to 1,700 NOK, the game caters to a wide range of players. Even though the theme is not very innovative and there are few bonus features, Joker Stoker, with an RTP of 96.07%, is a solid slot choice.

Big Bass Bonanza – One of Pragmatic Play’s Most Popular Slots

One of Pragmatic Play’s most successful slots, Big Bass Bonanza is played on a 5x 3 grid with 10 fixed paylines. It is a medium volatility slot with an RTP of 95.67%. Betting ranges from a minimum of 1 NOK to a maximum of 5,000 NOK, making it great for all types of players.

The game is straightforward and has only one bonus – the free spins bonus round. To trigger the free spins, you must land 3, 4, or 5 scatter symbols anywhere on the reels. 10, 15, and 20 free spins are up for grabs respectively. The Free Spins bonus round introduces bonus fish symbols with attached cash values, adding even more excitement to your gameplay.

Best Slots Bonuses for Norwegian Players

Online casinos offer many different bonuses, including cash bonuses, free spins for specific slot games, and bundles. A welcome package is available at most top slot sites and generally includes a deposit match with free spins.

It is essential that you read and understand the top online casino bonuses terms and conditions before accepting any offer.Ensure it comes with fair wagering requirements and be aware of any game restrictions and weighting on the bonus. However, most slots do contribute 100%.

When conducting our review, we found many top bonuses at the slot casinos we have listed. Here’s the best slot bonus in Norway for June, 2025:

Other Promotions: Slots Tournaments

Another promotion found at online casinos is slot tournaments. Gamblers must play specified games to win points, earn a spot on the leaderboard, and win great real-money prizes.

The rules and eligible games vary from tournament to tournament, each providing a unique experience. For example, it may be on slots from a specific provider.

Here’s a great online slots casino hosting tournaments.

Best Slot Software – The Most Popular Providers

The software providers at slot casino sites are very important because they determine the range and quality of the games you can play. You want to play games that have top-quality graphics with fair and random outcomes.

Some well-known software providers at slot casinos in Norway include Pragmatic Play, Play ‘n Go, and Games Global, while less popular developers such as Aviatrix and Apparat Gaming also offer a variety of games.

Top developers are known for their trustworthy and fair games. They are all tested and verified by independent auditors such as eCOGRA and iTechLabs, ensuring all games are based on RNG and are fair for everyone.

Conclusion – The Best Online Slot Casinos for Norway in 2025

After reading this article, you should have a better understanding of the top slot casinos in Norway and how to choose a site that is best suited to you. We have explored high RTP slots, payment methods, bonuses, and more. From our extensive research, we found the site below to be the best online casino for slots.

We analyzed many online slot sites and discovered the platform above stood out as one of the best. This casino offers an enticing welcome bonus, a massive games lobby powered by the top providers in the industry, excellent mobile play, many secure payment options, and top-quality customer support.