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Greentube

Founded 1998 Vienna 48 games [email protected]
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48
Games in portfolio
1998
Founded
Vienna
Headquarters

About Greentube

Company overview, history and positioning

Greentube is the digital gaming and entertainment division of Austria's NOVOMATIC Group, led by CEO Thomas Graf from its Vienna headquarters. Founded in 1998, the studio supplies real-money B2B casino content, social casino operations, server-based gaming and a proprietary integration SDK to operators worldwide, backed by fourteen international subsidiaries spanning Europe, the Americas and Asia.

Greentube's catalogue reimagines NOVOMATIC's land-based heritage for HTML5, with flagship slots Book of Ra deluxe, Sizzling Hot deluxe and Lucky Lady's Charm anchoring an evergreen lineup. Signature progressive families Diamond Cash, Diamond Link and Diamond Mystery sit alongside recent releases such as Firecracker Frenzy: Empress Wealth, Gorilla Cash and Magnificent Merlin, reflecting a steady monthly release cadence.

The group holds dual B2B licences from the Malta Gaming Authority and the UK Gambling Commission, plus state-level approvals in New Jersey, Michigan, Pennsylvania and Connecticut. Greentube was the first Austrian supplier certified to the G4 responsible-gambling standard and holds ISO 27001 security certification, with games independently tested by GLI and SIQ.

Vision

To remain the iGaming industry's most trusted full-service casino supplier, blending NOVOMATIC's land-based heritage with mobile-first innovation and delivering safe, secure, entertaining play to licensed operators across every regulated market Greentube serves.

Mission

To deliver safe, certified casino entertainment worldwide by re-engineering NOVOMATIC's iconic franchises for HTML5, building original progressive slot families, and distributing them through a single SDK and wallet platform under strict MGA and UK Gambling Commission licensing.

Values

  • Safe and Secure Entertainment
  • Responsible Gaming
  • Regulatory Compliance
  • Full-Service Partnership
  • Innovation in Mechanics
  • Sustainability

Market performance

Composite score based on RTP, release activity, casino presence and regional diversity
10 out of 100
D Niche
Average RTP 95.46%
industry avg ~96.5%
Release activity 0 titles / yr
games shipped in last 12 months
Casino presence 0 / 10
top-tier operator integrations
Regional diversity 0 / 15
regulated markets covered

Top games by demand

Most-searched titles from Greentube
View all games
1
Fairy Queen
RTP 96.25% 2019
0
demand
2
Book Of Ra Deluxe 10
RTP 95.02% 2019
0
demand
3
Lucky Lady's Charm deluxe
RTP 95.13% High volatility 2019
0
demand

Team & people at Greentube

3 key people from Greentube
Johann Graf
Johann Graf
Founder
Thomas Graf
Thomas Graf
CEO
Maarten Haije
Maarten Haije
Chief

Awards

6 industry awards won
2026
Greentube World Trophy - Fan-Voted Social Media Champion
2023
G4 Responsible Gambling Certification
2023
ISO/IEC 27001 Information Security Certification
2023
Pennsylvania Interactive Gaming Manufacturer Licence
2022
Casino Content Supplier of the Year - EGR Nordics Awards
2022
Multichannel Campaign of the Year - Heptagon Awards

All games by Greentube

slot
Flame Dancer
RTP 97.1%2015
slot
Book of Ra Magic
RTP 96.6%High2018
slot
Always Hot deluxe
RTP 96.4%2015
slot
Fairy Queen
RTP 96.3%High2019
slot
Lucky Lady's Charm Deluxe 10
RTP 96.0%2018
slot
Feelin' Fruity: Win Ways
RTP 96.0%2022
slot
Book of Ra
RTP 96.0%2015
slot
Sizzling Hot 6 extra gold
RTP 95.7%2017
slot
Plenty on Twenty
RTP 95.7%2015
slot
Roaring Forties
RTP 95.7%2015
slot
Sizzling Hot deluxe
RTP 95.7%Medium2007
slot
King of Cards
RTP 95.7%2015
slot
Power Stars
RTP 95.5%High2015
slot
Book of Ra deluxe 6
RTP 95.5%
slot
Book of Ra deluxe
RTP 95.5%2015
slot
Imperial Crown
RTP 95.5%
slot
Plenty of Fruit 40
RTP 95.5%2017
slot
Just Jewels deluxe
RTP 95.4%2015
slot
Queen of Hearts deluxe
RTP 95.3%2008
slot
Stein Haus™
RTP 95.3%2018
slot
Xtra Hot
RTP 95.2%2015
slot
Lotus Flower
RTP 95.2%2021
slot
A Fistful of Wilds
RTP 95.2%2022
slot
Ultra Hot deluxe
RTP 95.2%2015
slot
African Simba
RTP 95.2%2015
slot
Dolphin's Pearl
RTP 95.1%High2008
slot
Dolphin´s Pearl deluxe
RTP 95.1%High2016
slot
Lucky Lady's Charm deluxe
RTP 95.1%High2019
slot
Golden Ark
RTP 95.1%Medium
slot
Lord of the Ocean
RTP 95.1%2015
slot
Faust
RTP 95.1%High
slot
Cops 'N' Robbers Vegas Nights
RTP 95.1%2021
slot
Book Of Ra Deluxe 10
RTP 95.0%2019
slot
Columbus deluxe
RTP 95.0%2015
slot
Diamond Link Mighty Elephant
RTP 95.0%2021
slot
Cash Connection Golden Book Of Ra
RTP 95.0%2022
slot
Eye of the Dragon
RTP 95.0%2017
slot
Party Games Slotto
RTP 94.1%2015
slot
Win Wizard
RTP 94.0%2015
slot
Easy Peasy Lemon Squeezy
RTP 94.0%2015
slot
Big Catch
RTP 94.0%2015
slot
Mystic Secrets
RTP 93.1%Medium-high
slot
Book of Ra Deluxe 10: Win Ways
2022
slot
Tales of Darkness: Lunar Eclipse
High2018
slot
Cash Connection Dolphin's Pearl
slot
40 Wild Fire 6
slot
Apollo God of the Sun
slot
4 King Cash

Frequently asked questions

Answers about Greentube - licensing, catalogue, headquarters and contacts
Is Greentube licensed?
Yes. Greentube holds dual primary B2B licensing from the Malta Gaming Authority (Type 1 Gaming Services) and the UK Gambling Commission (Remote Gambling Software licence). The group also carries Gibraltar, Alderney and state-level US approvals in New Jersey, Michigan, Pennsylvania and Connecticut, alongside G4 responsible-gambling and ISO 27001 security certifications.
What games does Greentube offer?
Greentube supplies HTML5 slots reimagined from NOVOMATIC's land-based catalogue, including Book of Ra deluxe, Sizzling Hot deluxe and Lucky Lady's Charm, alongside progressive families Diamond Cash, Diamond Link and Diamond Mystery. The studio also delivers server-based gaming, white-label social casino and newer titles like Firecracker Frenzy and Magnificent Merlin.
Where is Greentube headquartered?
Greentube is headquartered in Vienna, Austria, as the Digital Gaming and Entertainment division of the NOVOMATIC Group. The company operates through fourteen subsidiaries worldwide, including offices in Malta, the UK, Gibraltar, Alderney, Slovakia, Serbia, the Netherlands, the United States, Luxembourg, Slovenia, Greece, Canada and India.
When was Greentube founded?
Greentube traces its roots to 1998, when it launched the 3D sports title Ski Challenge. The company was renamed Greentube Internet Entertainment Solutions AG in 2000 and joined the NOVOMATIC Group in 2010, becoming the group's dedicated online and mobile gaming division and growing into one of Europe's leading B2B casino-content suppliers.
What social media does Greentube have?
Greentube maintains an active social-media presence used to showcase new releases and engage players, including its 2026 World Trophy fan-voted tournament that crowned Firecracker Frenzy: Empress Wealth as champion. Channels are used primarily for marketing and community engagement rather than direct player support, which runs through operator partners.
How many games does Greentube have?
Greentube's catalogue spans roughly 30 actively marketed titles at any time, drawn from a much larger historical library built around NOVOMATIC's classic franchises and newer progressive families. The studio maintains a steady release cadence, regularly adding titles like Piggy Prizes and Lone Star Link to keep operator lobbies fresh.
What licences does Greentube hold?
Greentube is dual-regulated by the Malta Gaming Authority (MGA/CRP/120/2006) and the UK Gambling Commission, with additional Gibraltar, Alderney and US state licences in New Jersey, Michigan, Pennsylvania and Connecticut. It also holds Romanian, Spanish, Italian, Swiss, German, Belgian and Moroccan regulatory approvals across its footprint.
How can I contact Greentube?
Operators and partners can reach Greentube through the official contact channels listed on greentube.com, where the company provides business-development and partnership enquiry forms. As a B2B supplier, Greentube does not interact directly with players, who are supported instead through its licensed operator partners.