The History of Establsihment
Greentube was established in 1997 in Vienna, Austria, initially under the name Dürrschmid & Reisinger OEG. In 2010, the company was acquired by the NOVOMATIC Group, marking a pivotal moment in its development. Since then, Greentube has gained access to NOVOMATIC’s extensive library of games and has actively advanced its online gambling sector.
Currently, the Chief Executive Officer of the company is Thomas Graf, who also serves as a member of the board of directors of NOVOMATIC AG. Under his leadership, the company has significantly expanded its presence in the international market.
On 2nd of September 2021, Greentube embarked on an exploration of cryptocurrency and blockchain solutions, aiming to enhance its social casino business and successfully enter the esports betting market. Chief Executive Officer Thomas Graf explains what has been planned thus far.
Greentube Portfolio
Greentube’s portfolio is made up of over 400 games of diverse genres, with a predominant focus on slots, which constitute approximately 80% of the entire content. The average return to player (RTP) across all games stands at 95.95%. The company also develops table games, video poker, and specialised games tailored for social casinos.
As of early 2025, the provider’s official website features a catalogue of 439 diverse games at https://www.greentube.com/all-games/. This includes 398 slots, 10 table games, 3 versions of video poker, and 18 variations of video bingo. Each game is accompanied by a detailed description of its features, and players have the opportunity to try a demo version, with different options available for both computers and mobile devices.
Technical Aspect and Quality Control
All Greentube games are developed on modern technological platforms using HTML5, ensuring full compatibility with mobile devices. The company utilises a certified Random Number Generator (RNG), which is regularly tested by independent laboratories.
In 2009, the company’s achievements in safety and fair gaming were recognised by the prestigious eCOGRA Software Award. This esteemed accolade reflects Greentube’s compliance with the highest industry standards. Key aspects such as the transparency of gaming operations, reliability of financial transactions, and a responsible approach to partnerships with online casino operators were critically assessed. Special attention was given to the comprehensive security of the gaming portfolio and back-office infrastructure, which were deemed fully compliant with eCOGRA’s requirements—the leading organisation for regulation and certification in the online gambling sector. Receiving this award reaffirms Greentube’s unwavering commitment to the principles of fair play and player protection.
9th of December 2009, LONDON, England. The Austrian software developer Greentube IES AG joined the growing ranks of online gambling software providers that have undergone a professional review and evaluation by the independent player protection and standardisation organisation, eCOGRA.
Best Slots
Book of Ra Deluxe
- Volatility: High
- RTP: 95.1%
- Max Win: x5000
- An adventurous slot themed around ancient Egypt features a protagonist, a daring explorer that embarked on a quest for the magical Book of Ra. The game is distinguished by its thrilling bonus features and the potential to earn up to 10 free spins with expanding symbols.
Lucky Lady’s Charm Deluxe
- Volatility: Average
- RTP: 95.13%
- Max Win: x3000
- A mystical slot imbued with a magical theme showcases a fortunate lady wielding a mystical crystal as the central character. The game offers 15 free spins accompanied by tripled winnings.
Sizzling Hot Deluxe
- Volatility: Low
- RTP: 95.66%
- Max Win: x1000
- A classic fruit slot with a traditional design captivates players with its straightforward rules and frequent payouts. A notable feature is the star symbol, which serves as the scatter.
Dolphin’s Pearl Deluxe
- Volatility: High
- RTP: 95.13%
- Max Win: x4000
- An underwater adventure adorned with a marine theme showcases the dolphin as the central symbol, bestowing good fortune upon players. The bonus game is comprised of 15 free spins, during which winnings are tripled.
Lord of the Ocean
- Volatility: High
- RTP: 95.10%
- Max Win: x5000
- A mythological slot dedicated to the sea god Poseidon immerses players in the enigmatic underwater world of ancient legends. A distinctive feature includes special expanding symbols during the free spins.
Licensing and Regulation
Greentube GmbH holds a remote gambling software licence and is regulated by the UK Gambling Commission under account number 41020. The company complies with stringent regulatory requirements concerning the safety and fairness of its games.
However, the developer had sometimes encountered issues in its operations. For instance, in December 2021, GreenTube Alderney, a subsidiary of Novomatic, faced criticism from the UK Gambling Commission for failing to uphold social responsibility and for violations related to money laundering. Consequently, the company was fined £685,000 by the UKGC.
Innovation and Future Development
The company is actively investing in the advancement of new technologies, including virtual and augmented reality. Greentube consistently showcases innovative solutions at prominent gaming exhibitions, such as ICE and G2E.
VIENNA, 22 October 2024 – Greentube, the digital gaming and entertainment division of NOVOMATIC, has launched its content portfolio in collaboration with Casino UA, thereby enhancing its presence in the European market.
VIENNA, 18 November 2024 – Greentube, the digital gaming and entertainment division of NOVOMATIC, is now working in Connecticut with its first client, marking yet another significant milestone in the company’s expansion within North America.
Conclusion
Greentube has established itself as a reliable and innovative developer of gaming content. With the backing of NOVOMATIC Group, the company continues to broaden its global footprint and create new engaging games. The high quality of its products, coupled with reliability and a pioneering approach, positions Greentube as a leader in the online gambling industry.
UK Gambling Commission License 
