Watch Etorofu-gata Muchikko Kodomo Challenge (C96) [れたす屋 (れたすー)] 択捉型無知っここどもちゃれんじ (艦隊これくしょん -艦これ-)

(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

(C77) [Suitekiya (Suitekiya Yuumin)] Kodomo no Mesuana ～ Kodomo no Chinpho Maniacs Soushuuhen ～ (Kodomo no Jikan)

(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

[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]

(MenComi37) [Shimoboard (Shimosan)] Kodomomomomomo (Kodomo no Jikan) [English] [ATF]

(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)

(MenComi37) [Shimoboard (Shimosan)] Kodomomomomomo (Kodomo no Jikan)

(C65) [kodomo challenge (Various)] Shukudai ga Owaranai