The iGaming industry is under constant evolution, with new slot developers entering the landscape and releasing countless live dealer games or online slots for gamers to enjoy.
Coming into the iGaming industry can be a challenging task for newcomer developers; existing game providers with years of experience and a reputation among players can be difficult to compete against. In this list, we will cover some of the up-and-coming and established slot game developers that have been founded in the last 5 years.
Reel Kingdom
Reel Kingdom is a Gibraltar-based slot development studio that is a partner of the iconic Pragmatic Play. Reel Kingdom was founded in 2020 and has since released over 85 slot titles. Reel Kingdom has seen a positive reaction from the Big Bass franchise, amongst other great game titles featuring classic and original slot mechanics.
Hot to Burn was the title of Reel Kingdom’s debut slot title, featuring a classic fruit theme to play in the slot. The game features a 5×3 playgrid, featuring just 5 paylines, aligning with the classic fruit theme in play. Reel Kingdom kept things simple in this slot as it was their first release, without incorporating any bonus features.
Big Bass Bonanza was the title that kicked off Reel Kingdom’s reputation in the industry. The slot was launched late in 2020 and features a 5×3 playgrid. The slot’s main attraction was the beautifully designed fishing-themed visuals in play, alongside some innovative bonus mechanics.
This slot laid down the foundations for Reel Kingdom and the subsequent Big Bass titles. Bonus features in this slot include the fisherman wild symbol and the free spins feature.
Nailed It! Games
Nailed It! Games is an online slot developer that launched in 2021. Nailed It! Games has its headquarters in Krakow, Poland, and demonstrates its creativity and innovative game mechanics in all its slot titles. Since their establishment, they have released over 20 slot games covering a variety of themes.
Unlike some other slot developers in their early beginnings, Nailed It! Games made an immediate impact on the iGaming industry after their debut title, laying a strong foundation for future game development.
Gold Mine Stacks was the debut title released by Nailed It! Games in 2022. The game features a mining theme that is expressed in the visuals. The gameplay in the Gold Mine Stacks slot will commence on a 5-reel, 3-row setup with 20 paylines, where symbol combinations can be formed in play.
The slot features a range of innovative mechanics and well-designed elements, which is particularly impressive, noting that it was the developers’ first slot release. Bonus features that this slot incorporates are the wild symbol, full wild stack respins feature and the gold mine stacks bonus round.
Bass Brothers is a popular slot release by Nailed It! Games that were released in 2025. The slot incorporates a fishing theme throughout play, which is beautifully portrayed in the visuals that create a tranquil fishing aesthetic.
The developers, Nailed It! Games have remained unchanged in their playgrid setup, operating in the same 5×3 fashion that contains 20 paylines as the Gold Mine Stacks slot. The Bass Brothers slot includes interesting bonus features, including wild symbols, multipliers, bonus symbols, a bonus game, and respins.
Roxor Gaming
Roxor Gaming is an online slots development studio that operates from its headquarters in London, United Kingdom. The development group was launched in 2020, and since its inception, they have released over 60 online slots.
Despite only being founded in 2020, developers at Roxor Gaming boast over 20 years of experience in the iGaming industry, which shows in their releases and entertainment-driven content.
Tiki Totems Megaways was released in 2020 and is a follow-up title to the iconic Tiki Totem title in Roxor Gaming’s slot catalogue. The slot will take place in a familiar beach setting with many returning elements from the original in play. Where the slot differentiates is the injection of the modern Megaways mechanic.
The beach-themed slots gameplay will commence on a 6-reel setup, with each reel featuring between 2 and 7 symbols. A maxed-out 6×7 play grid in this slot can generate 117,649 ways to trigger prizes.
As well as this modern Megaways injection to enhance the play, Roxor Gaming have incorporated various bonus features including mystery symbols, cascading reels, free spins, and multipliers.
The Paper Wins slot by Roxor Gaming was released in 2024. Despite its modern release date, the paper Wins slot is a classic-style slot game incorporating visual aspects reminiscent of those classic fruit machines.
The slot gameplay will take place on a 5-reel, 15 payline setup. With a simple design in the slot, as well as a simple playgrid, it was important that Roxor Gaming incorporated bonus features to enhance play. The bonus features in the slot bring a modern twist to gameplay, including the wild symbols and the free spins bonus, where players can land multipliers.
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