TKKG 8 - Das geheimnisvolle Testament (Video Game 2001)
TKKG 9 - Voodoozauber (Video Game 2001)
TKKG 10 - Panik im Internat (Video Game 2002)
TKKG 11 - Film ab! (Video Game 2003)
TKKG 12 - Alarm in der Geisterbahn (Video Game 2004)
TKKG 1 - Katjas Geheimnis (Video Game 1997)
TKKG 2 - Tödliche Schokolade (Video Game 1998)
TKKG 3 - Der Schatz der Maya (Video Game 1998)
TKKG 4 - Das Rätsel der Villa Drachenkralle (Video Game 1999)
TKKG 5 - Verrat an TKKG (Video Game 1999)