Rovio Entertainment has acquired the Finnish mobile studio PlayRaven for an undisclosed amount.
PlayRaven is based in the Finnish capital, Helsinki, near to Rovio's headquarters in Espoo. The deal is for all of the shares in PlayRaven, and also includes its 25 employees.
According to Rovio CEO Kati Levoranta, PlayRaven's experience in developing strategy games for mobile was the impetus behind the acquisition.
"Strategy games is one of the largest genres in mobile games and we believe that by joining forces with PlayRaven's talented and skilled personnel we strengthen our know-how and speed up expansion into strategy games," she said in a statement.
PlayRaven was founded in 2013, and it had raised $7.5 million in funding by the end of 2014. The company's portfolio includes games such as Spymaster and Eve: War of Ascension.