How many movies have Atte Joutsen and Tapani Siirtola collaborated on?

They have worked on 3 movies together! Their first movie together was Star Wreck IV: The Kilpailu (1996) while their highest rated movie together was Star Wreck: In the Pirkinning (2005). They have not worked together since Star Wreck 2π: Full Twist, now! (2012). They are most known for their comedy films together.