- Farewell/tour
- Farfin
- Fatalfangs
- Felice
- Fenrir
- FenrirDarkWolf
- Feutsuki
- FeverDev
- Fever (2003 Version)
- Fg7
- Fin (フィン)
- Finnrocket5
- Fio
- Fiona
- Fissure
- Fissure/guide
- Fissure/tour
- Fizzsea
- Fleshchild
- Fleshchild/guide
- Fleshchild/theories
- Fleshchild/tour
- Flowers for my moon
- Fluorette
- Flushed Regrets
- Flushed Regrets/tour
- Food Diary
- Food Diary/guide
- Food Diary/tour
- For Elise
- For Elise/tour
- ForwardSlash32
- Fracture: The Dream
- Fracture: The Dream/theories
- Fracture: The Dream/tour
- Fractured Dreams
- Fractured Dreams/guide
- Fractured Dreams/tour
- Frank
- Frankie1205
- Friendly
- Friendly/guide
- Friendly/tour
- Fukuno04
- Fumitsuki (ふみつき)
- Funetsuki (ふねつき)
- Furatsuki (Developer)
- Furatsuki (ふらつき)
- Fushichou no Yume (不死鳥の夢)
- Fushichou no Yume (不死鳥の夢)/guide
- Fushichou no Yume (不死鳥の夢)/theories
- Fushichou no Yume (不死鳥の夢)/tour
- GIOGIO
- GNOMEDROME
- GNOMEDROME/guide
- GNOMEDROME/tour
- GOCCO (GOCCO)
- GOCCO (GOCCO)/guide
- GOCCO (GOCCO)/tour
- Gaida the Duck
- Gaimonn
- Game Page Layout
- Games Inspired By Yume Nikki
- Gamling
- Gangaze
- Garakuta (がらくた)
- Gen.loss
- Gen.loss/tour
- Genseki Wakusei (幻石惑星)
- Genseki Wakusei (幻石惑星)/guide
- Genseki Wakusei (幻石惑星)/tour
- Genso Nikki
- Genso Nikki/guide
- Genso Nikki/soundtrack
- Genso Nikki/tour
- Geoff
- Ginji Suzumoto (鈴本銀次)
- Ginmokusei (銀木犀)
- Gizatsuki
- Glemsomhet
- Glemsomhet/tour
- Gnosis
- Gnosis/guide
- Gnosis/reference
- Gnosis/tour
- Gobou (牛蒡)
- Gorotsuki (ごろつき)
- Green Pepper Productions
- Grey
- GreyInvidia
- Growth
- Growth/guide
- Guiliemus
- Gumitsu
- GumshoeJump
- Gupzy Bidule
- Guratsuki (ぐらつき)
- Guretsuki
- H2O
- HER
- Halcyon
- Halcyon/guide
- Halcyon/tour
- Hallucigenia (ハルキゲニア)
- Hallucigenia (ハルキゲニア)/guide
- Hallucigenia (ハルキゲニア)/reference
- Hallucigenia (ハルキゲニア)/theories
- Hallucigenia (ハルキゲニア)/tour
- Hana no Chiruramu (花の散るらむ)
- Hana no Chiruramu (花の散るらむ)/guide
- Hana no Chiruramu (花の散るらむ)/tour
- Hanatsuki
- Hanatsuki (Chains of Memory)
- Hanatsuki (花付き)
- Hangaku / Han Gaku (半額)
- HanifAnims
- HappinesS
- HardCodedValue
- Hareta
- Hargreaves
- Harinezumi (ハリネズミ)
- Harley
- Haru
- Haru (はる)
- Harutsuki (はるつき)
- Hazuki (葉月)
- Heat thinker
- Hell Diary
- Hell Diary/guide
- Hell Diary/tour
- Hellatsuki
- Henachoco (へなちょこ)
- Hentekorin
- Hentekorin/tour
- Hermeticism
- Hermeticism/guide
- Hermeticism/tour
- Hibiki
- Hibiscus
- Hickory Clock
- Hickory Clock/tour
- Hide&Seek
- Hide&Seek/guide
- Hide&Seek/reference
- Hide&Seek/tour
- Hideko
- Higurashiki
- Higurashiki/guide
- Higurashiki/tour
- Higurashiki (Character)
- Hikensha
- Hikensha/guide
- Hikensha/reference
- Hikensha/soundtrack
- Hikensha/tour
- Hikutsuki (ひくつき)
- Hilda Cassidy
- Himi Nikki
- Himi Nikki/guide
- Himi Nikki/tour
- Hinamokke (ひなもっけ)
- Hirosae (広冴え)
- Hitmetsuki
- Hizashi
- Hokotate Makoto (鉾立真虚人)
- Hope
- Hope/guide
- Hope/tour
- Hope (.Sprouted)
- Hopem
- Hoshida Miune (星田 巳畝)
- Hoshiko
- Houchou Shoujo Gensoukyoku (包丁少女幻窓曲)
- Houchou Shoujo Gensoukyoku (包丁少女幻窓曲)/guide
- Houchou Shoujo Gensoukyoku (包丁少女幻窓曲)/tour
- Humiha (ふみは)
- Huá jū (华琚)
- Huán xíng zǐ (环行子)
- I-N-K
- INFERNULIA
- INFERNULIA/tour
- INFERNULIA:fileBurnshiftZone
- INFERNULIA:fileSecretHallwayZone
- INSULTED
- INTER08JECT
- INTER08JECT/guide
- INTER08JECT/tour
- ISO
- ISO/guide
- ISO/tour
- I Cannot Drown
- I Cannot Drown/guide
- I Cannot Drown/tour
- I Had The Strangest Dream, Ivan
- I Had The Strangest Dream, Ivan/guide
- I Had The Strangest Dream, Ivan/tour
- Ichitsuki
- Idtipsa
- Idtipsa/guide
- Idtipsa/reference
- Idtipsa/tour
- If
- If/guide
- If/reference
- If/soundtrack
- If/theories
- If/tour
- If Nil then
- If Nil then/guide
- If Nil then/tour
- Ignite
- Ignite/guide
- Ignite/theories
- Ignite/tour
- Illove dream (爱梦症)
- Illove dream (爱梦症)/guide
- Illove dream (爱梦症)/reference
- Illove dream (爱梦症)/tour
- Ilyse
- Immersit
- Immersit/guide
- Immersit/tour
- InSomnus
- InSomnus/tour
- In Hazy Clouds
- In Hazy Clouds/guide
- In Hazy Clouds/tour
- Ina
- Inahoozuki (否鬼灯)
- Inari (稲荷)
- Inertia
- Inertia/guide
- Inertia/tour
- Insomnia
- Inspiration
- Inspiration/guide
- Inspiration/tour
- Internal Plexus
- Internal Plexus/tour
- Iola
- Iratsuki (いらつき)
- Irene
- Iro Nikki
- Irotsuki (いろつき)
- Irving
- Is This Undertale
- Is This Undertale/guide
- Is This Undertale/tour
- Isaac
- Isaiah
- Isokishi (いそきし)
- Iter Itineris
- Iter Itineris/guide
- Iter Itineris/tour
- Itsuki
- Ivy
- Iwakutsuki (いわくつき)
- JPiggs
- James
- Jcm2
- Jeledraws
- Jellyfish Legerdemain
- Jhonson
- Jigoku Nagashi
- Jigoku Nagashi/guide
- Jigoku Nagashi/reference
- Jigoku Nagashi/tour
- Jikotsuki
- Jojogape
- Jose (ホセ)
- Josephine
- Joshua
- Jounieh
- JourNEY REcord
- JourNEY REcord/guide
- JourNEY REcord/tour
- Journal Nikki
- Jpegurl
- Juke
- Julie
- June 30th
- June 30th/guide
- June 30th/tour
- June Exhibit
- June Exhibit/guide
- June Exhibit/tour
- K437
- KCM Ego
- Kaede (かえで)
- Kaeri Yume (帰り夢)
- Kaeri Yume (帰り夢)/guide
- Kaeri Yume (帰り夢)/tour
- Kag
- Kage, Souzou, In (影・想像・陰)
- Kage, Souzou, In (影・想像・陰)/guide
- Kage, Souzou, In (影・想像・陰)/tour
- Kagerou (カゲロー)
- Kagerou (影朗)
- Kai
- Kairi Mikazu (かいり実和)
- Kaizo Nikki
- Kaizo Nikki/reference
- Kaizo Nikki/tour
- Kakutsuki (カクつき)
- Kamitsuki (かみつき)
- Kanariya (かなりや)
- Karasu
- Kareido (涸れ井戸)
- Kasetsuki (かせつき)
- Kashitsuki (瑕疵付き)
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Ending conditions and tips
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Money Guide
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Other bosses
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Status effects
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Symbol strengths and weaknesses
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/guide/Symbols
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/theories
- Kataribesou ~Ensouki~ (かたりべ荘~淵藪記~)/tour
- Katatsuki (かたつき)
- Katsuki (克樹)
- Kazaguruma (かざぐるま)
- Kazenori
- Kazuki
- Kei Amamori (雨森軽)
- Keibetsuki (軽蔑き)
- Keiji
- Ken (ケン)
- Ketsueki (KNF)
- Kikei (畸形子)
- Kind Heart
- Kind Heart/guide
- Kind Heart/tour
- Kinoko
- Kinoshita Ayame (木下菖蒲)
- Kiratsuki (きらつき)
- Kiribana (切り花)
- Kisekinomahou
- Kitty
- Kittybags
- Kizutsuki (きずつき)
- Klaufir
- Kodama (こだま)
- Koitsuki (こいつき)