| OOperation Napoleon: Tears of the Wolf2027 · Writer | Writer |
 Niko: Beyond the Northern Lights2024 · Writer | Writer |
 Niko 2: Little Brother, Big Trouble2012 · Writer | Writer |
 Niko and the Way to the Stars2008 · Writer | Writer |
 Summer of the Flying Saucer2008 · Writer | Writer |
 Derrick - Die Pflicht ruft!2004 · Screenplay | Screenplay |
 Karlsson on the Roof2002 · Writer | Writer |
 No Is No Answer1995 · Screenplay | Screenplay |
