How many movies have Eero Milonoff and Heikki Kossi collaborated on?

They have worked on 6 movies together! Their first movie together was Ganes (2007) while their highest rated movie together was The Happiest Day in the Life of Olli Mäki (2016). They have not worked together since Matti and Sami and the Three Biggest Mistakes in the Universe (2018).