Simple 2500 Series Portable Vol. 10 – The IQ Cube – Moyatto Atama O Puzzle De Sukkiri
Atama No Kaiten No Training – Rubik's Cube & Chou Yuumei Puzzle Tachi
Simple DS Series Vol. 8 – The Kanshikikan
Simple DS Series Vol. 5 – The Trump
Simple DS Series Vol. 37 – ALC De Mi Ni Tsuku! TOEIC Test – Listening Kyouka Hen (Mishito)
Simple DS Series Vol. 41 – The Bakudan Shorihan