(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
(MenComi37) [Shimoboard (Shimosan)] Kodomomomomomo (Kodomo no Jikan)
(MenComi37) [Shimoboard (Shimosan)] Kodomomomomomo (Kodomo no Jikan) [English] [ATF]
(C77) [Suitekiya (Suitekiya Yuumin)] Kodomo no Mesuana ~ Kodomo no Chinpho Maniacs Soushuuhen ~ (Kodomo no Jikan)
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[Kuragakuya (Souko Souji)] Ookami Kodomo no Kinshinkan ~Watashi wa Ookami no Otouto ni Okasaremashita (Ookami Kodomo no Ame to Yuki) [Chinese] [沒有漢化]
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi