Greentube™ – Slot Machines Collection for Free Play by Developer

Greentube Internet Entertainment Solutions is a structural subdivision of the largest Austrian conglomerate Novomatic, which produces gambling entertainments. The company was founded in 1998 and it became a part of Novomatic in 2010. Today, Greentube offers more than 300 games, offices in several countries of the world, and prestigious prizes from the most authoritative awards in the field of gambling.

The company’s head office is located at Wiedner Hauptstrasse 94, A-1050 Vienna, Österreich. On our site, there is a huge assortment of free Greentube slot machines. Each of them is available without registration and is ready to provide a gambler with a lot of positive and exciting gambling emotions.



History of the company

The company was founded by Eberhard Durrschmid and Harald Reisinger in 1998 in Austria. Initially, it was called Durrschmid & Reisinger OEG. The current familiar name appeared two years later. The manufacturer specialized in adapting casino games for the online mode.

In 2010, the controlling interest of Greentube was acquired by Astra Games Ltd., a subsidiary company of Novomatic. Thus, the portfolio of the company significantly expanded thanks to the already existing developments from Novomatic. Now, new games are regularly released under this brand. The manufacturer is among the most popular ones in the world. Here are just some of the awards that the company received:

  • eCOGRA Software Award 2009;
  • Green Award 2010;
  • EGR B2B Awards 2015;
  • GIA (Gaming Intelligence) 2017.


Right now there are almost 400 games in the portfolio of Greentube, and this list is constantly expanding. It includes the most popular developments from Novomatic. Among them, there are the following bestsellers:

The collection of Greentube is not limited to just slot machines. In the assortment of the company, there is a huge selection of casino games. These are the card and board games, bingo, and roulettes.

The company uses the omni-channel technology, which makes the released games suitable for work on different platforms. The complete solutions for online casinos are developed under the Greentube brand. Also, the manufacturer is working on the release of software for offline gambling establishments.

Slot machines

Most experienced players are familiar with Greentube slots. Most machines have 3 or 5 reels, but there are games with 6 or even 20 reels (for example, Sizzling Hot Quattro). Most often, the devices from this manufacturer have the following advantageous features:

  • wild symbol;
  • the scatter;
  • risk game;
  • free spins with an additional multiplier.

The Greentube gaming machines feature a variety of different themes. These are fruit, sea, pirate, fairytale, historical slots, and many others. Each device boasts a convenient control system, easy rules, and an intuitive payouts table.

Contact information

The contact phone number of the head office of Greentube is +43 1 90 171. You can also use the email address The sales department is available at The official Facebook page is The official website of the company –

The success of Greentube is easy to explain. The manufacturer had an excellent start as a part of a giant in the world of gambling, Novomatic. It’s not an accident that Greentube became a structural subdivision of such an authoritative manufacturer. The development team demonstrated excellent work and proven themselves in the best possible way. Now, Greentube is popular thanks to the wide range of games with high RTP, advantageous rules, and generous coefficients.

you're currently offline