Greentube is an interactive division of biggest European gambling equipment maker, Novomatic. It was started back in 1998 and initially focused on adapting traditional, usually card, games to their online versions. Majority stake was acquired by Novomatic back in 2010. This worked for both companies as Novomatic expanded in the online business and Greentube got extensive library of slot games to work on.
Greentube does not focus on online slots only, but it also has their fingers in classic slots, table games, Live Dealer gaming, Amusement with Prize slots, server based gaming, Bingo and so on. Obviously, having the library of evergreen games such as Book of Ra and Lucky Lady’s Charm guarantees that Greentube is well positioned studio.