(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS) [Chinese]
Utsuho Challenge!! ~Yobai ni Chousen~
Pancakes Challenge
Kasen-chan no Jasen Rouraku Challenge
Twin Challenge ch. 1
(C55) [Okosama Pancake (Alroune)] PMex.<Kanzenban>:Kyoushoujo Series (Pretty Sammy)
(C70) [Okosama Pancake (Arurukaana7A)] Gekkan OkoPan 2006.08 (Various)
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Kuroshio Challenge
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
Gekkan OkoPan 2006.08
(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)
Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
Namaiki Kuchikukan Wakarase Challenge
(C63) [Mizumo Club (Mizushiro Takuya)] Fuka.Fuka.Pancake (Galaxy Angel) [Incomplete]
Kyokon Shoujo Nyoudou Challenge!
UnknownUnlockChallenge
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
(Kakuseiya SP Onii-chan to Issho!) [Nangchi-do (Ebifly)] Pancake Brunch (To Heart)
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
Futanari Milk Challenge 6
(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)
[Okosama Pancake (Arurukaana7A)] Gekiama (Ojamajo Doremi) [Digital]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Girls from a Prestigious School Challenged to an Escape Game
Toka 1 hour drawing challenge (ichizikann)
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
U Challenge
(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)
Reiwa Shasei Challenge
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [Digital]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
DT Chinpo 100-pon Acme Challenge!! | 100 Virgin Cock Orgasm Challenge!!
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
[Terujirou] Junior Dominating Senior Challenge!
Hajimete no Inpio Challenge
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
Misaki-chan no Lotion Challenge
Seieki Tamekomi Challenge
#SoniCha Ikuiku Challenge
Tomodachi no Kanojo ga Muboubi Sugite Osotte shimau Hanashi
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge! (Pokémon Sword and Shield) [English] {Doujins.com}
You Are Challenged by Kogal Takuha | La Sfida