See the main Doujin Index for criteria on including a work on this page.
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Action Adventure
Metroidvania
- Bunny Must Die (original): From the creator of the Gundemonium series.
- Koumajou Densetsu (Touhou Project, Castlevania)
Action Game
Third-Person Shooter
Adventure Game
Interactive Adventure
- Cherry Tree High Comedy Club (original)
Beat 'em Up
- Blood Over (original)
- Cröixleur (original)
- Crescent Pale Mist (original): Also a platforming game
- Duo Princess (Threads of Fate)
- ElePaper Action (Read or Die)
- Fairy Bloom (original)
- Grief Syndrome (Puella Magi Madoka Magica)
- Mitsurugi Kamui Hikae (original): Also a hack-and-slash game
Fighting Game
- Acceleration of SUGURI (original): Sequel to SUGURI
- Akatsuki Blitzkampf (original)
- Big Bang Beat (Big Bang Age)
- Elemental Battle Academy (original)
- Eternal Fighter Zero (various Key/Visual Arts works)
- Higurashi Daybreak (original): Spinoff of Higurashi: When They Cry
- Magical Battle Arena (Cardcaptor Sakura, Lyrical Nanoha, Magic Knight Rayearth, Magical Circle Guru-Guru, Slayers)
- Magical Chaser: Stardust of Dreams (Ojamajo Doremi, Twin Princess of Wonder Planet, Princess Comet, Fushigi Mahou Fan Fan Pharmacy, Kasumin)
- Melty Blood (original): Sequel to Tsukihime
- Million Knights Vermillion (original)
- The Queen of Heart (original)
- Touhou Project (original): Specifically the Gaiden Games Touhou Suimusou ~ Immaterial and Missing Power, Touhou Hisouten ~ Scarlet Weather Rhapsody, Touhou Hisoutensoku ~ Choudokyuu Ginyoru no Nazo o Oe, Touhou Shinkirou ~ Hopeless Masquerade, and Touhou Shinpiroku ~ Urban Legend in Limbo.
- Touhou Sky Arena (Touhou Project): Spiritual Successor to Magical Battle Arena
- Under Night In-Birth (original): Features Guest Fighters from Akatsuki Blitzkampf and Melty Blood
- Vanguard Princess (original)
- Windom XP (Gundam Vs Series)
- Yatagarasu (original)
Platform Game
- Eryi's Action (original)
- Lethal Crisis (original)
- Mega Mari (Touhou Project, Mega Man)
- RosenkreuzStilette (original)
- Super Marisa Land (Touhou Project, Super Mario Bros.)
- Super Marisa World (Touhou Project, Super Mario World)
- Tobari and the Night of the Curious Moon (original)
Real-Time Strategy
Role-Playing Game
- 99 Spirits (original): Also a puzzle game
- Chantelise (original)
- Fortune Summoners (original)
- Fairy Bloom Freesia (original)
- Gensou Ningyou Enbu (Touhou Project, Pokémon)
- Ragnarok Battle Offline (Ragnarok Online): Notable for receiving official endorsement from RO's creators.
- Recettear: An Item Shop's Tale (original)
- Touhou A Live (Touhou Project, Live A Live)
- Touhou Labyrinth (Touhou Project)
- Touhou Mother (Touhou Project, Mother)
- Touhou Omen Trilogy (Touhou Project)
- Touhou Pocket Wars Evolution (Touhou Project)
Shoot 'em Up
Vertically-scrolling Shooter
- Blue Wish Resurrection (original)
- The Chaste Full-metal Maiden -Leiria- (original): Now freeware
- Cho Ren Sha 68k (original): Now freeware
- Concealed the Conclusion (Touhou Project)
- Crimzon Clover (original)
- eXceed (original):
- eXceed-Gun Bullet Children-
- eXceed2nd-VAMPIRE- and eXceed2nd-VAMPIRE REX-
- eXceed3rd-JADE PENETRATE- and eXceed3rd-JAD PENETRATE- BLACK PACKAGE
- Hitogata Happa (original): From the Gundemonium series, most of which are horizontally-scrolling shooters.
- Hellsinker (original)
- The Last Comer (Touhou Project)
- Len'en (original): Heavily inspired by Touhou Project and Seihou.
- Seihou (original): The "sister series" to Touhou Project, the creator of which had minor involvement in the first two Seihou games.
- The Tale of ALLTYNEX (original):
- Touhou Project (original): Notable for having a record-breaking number of doujin Fan Works despite being a doujin itself
- Stella Vanity (original)
- Twilight Refrain (original)
- Warning Forever (original)
Horizontally-scrolling Shooter
- Gundemonium Series (original)
- Satazius (original)
- SUGURI (original)
- Trouble Witches (original):
- Trouble Witches Episode 1 ~Daughters of Amalgam~
- Trouble Witches Episode 2 ~With Descendents of Ancient Dragon the Souless~
Rail-Shooter
Other
- Astebreed (original): A spiritual successor to Ether Vapor
- Ether Vapor (original): Switches between a vertical shooter, horizontal shooter, and even a rail shooter.
Turn-Based Strategy
Visual Novel
- Brass Restoration (original)
- fault - milestone one (original)
- Katawa Shoujo (original): While developed as a freeware title - and an English one at that - the developers have sold a number of related products at Comiket and COMITIA, including artbooks and hard copies of the Japanese translation.
- Nasuverse (original)
- Rose Guns Days (original)
- The Unforgiving Flowers Blossom in the Dead of Night (original): VN adaptation of a commercial manga
- When They Cry (original)
Miscellaneous
Board Game:
- 100% Orange Juice (original): A crossover game by Orange_Juice featuring characters from some of their games (SUGURI, sora, Flying Red Barrel, and QP Shooting)