Novomatic's iGaming subsidiary Greentube has completed the roll-out of its content across a number of GVC Holdings' leading brands.
A selection of slot titles have gone live on sites including bwin, partypoker and PartyCasino, with the content delivered via the Novo Remote Gaming System (NRGS).
The launch follows the signing of an agreement between the companies in February this year.
"We are very proud of another successful launch and we are happy to offer world-class interactive Greentube content to GVC players in various key markets," Greentube head of marketing and sales Gernot Baumgartner said.
GVC chief product officer Liron Snir added: "Our focus over the past eighteen months has been to build the most exciting portfolio of casino games available anywhere on the market.
"The addition of Novomatic content is a great step forward on this journey. We are very excited to be able to offer our customers this incredible and expanding range of new content."