Zaidanhoujin Nippon Kanji Nouryoku Kentei Kounin: KanKen DS

"User Summary: The first in a series of educational games designed to help students study for the , a test of Kanji knowledge for Japanese natives. Running from Level 10 (kanji learned by grade 1 elementary school students in Japan) to Level 2 (college level), the game teaches using questions and games that reflect the knowledge needed to pass the test." Source: Wikipedia, "Kanji_kentei," available under the CC-BY-SA License.