Ah! My Goddess
All Japan Womens Pro Wrestling: Queen of Queens
Angelique In Wonderland
Angelique Special
Angelique Special 2
Angelique Tenkuu no Requiem
Anime Freak FX Vol. 1
Anime Freak FX Vol. 2
Anime Freak FX Vol. 3
Anime Freak FX Vol. 4
Anime Freak FX Vol. 5
Anime Freak FX Vol. 6
Arubarea's Maiden
Battle Heat
Blue Breaker
Blue Chicago Blues
Boundary Gate: Daughter of Kingdom
Can Can Bunny Extra DX
Chip Chan Kick!
Classmates 2
Cocktail Pack
Comic Road
Cutey Honey FX
Deep Blue Fleet
Der Langrisser FX
Detective Ladies
Dragon Knight IV
Farland Story FX
Fire Woman Matoi-gumi
First Kiss Story
Galaxy Fraulein Yuna FX
Graduation 2: Neo Generation FX
Graduation Real
Kokū Hyouryo Nirgends
Kishin Doji Zenki: Vajura Fight
Last Imperial Prince
Lil' Red Riding Hood Cha-Cha
Lunatic Dawn FX
Mahjong Goku Tenjiku
Makeruna! Makendou Z
Megami Paradise II
Minimum Nanonic
Miraculum: The Last Revelation
Pachio-kun FX
Welcome To Pia Carrot
Power Dolls FX
Return to Zork
Ruruli Ra Rura
Same Game FX
Shanghai: The Great Wall
Sparkling Feather
Super God Trooper Zeroigar
Super Power League FX
Super Real Majhong PV FX
Team Innocent
Tekipaki Working Love FX
Tenchi Muyo! Ryo-Ohki FX
Tengai Makyo Karakuri Kakutoden
Tokimeki Card Paradise
Tonari no Princess Rolfee!
Voice Paradise
Wakusei-Kōgekitai Little Cats
Zoku Hatukoi Monogatari
Action:
Chip Chan Kick!
Kishin Doji Zenki: Vajura Fight
Kokū Hyouryo Nirgends
Ruruli Ra Rura

Adventure:
Blue Chicago Blues
Detective Ladies
Return to Zork
Team Innocent

Board/Tabletop Games:
Angelique In Wonderland
Lil' Red Riding Hood Cha-Cha
Mahjong Goku Tenjiku
Pachio-kun FX
Shanghai: The Great Wall
Super Real Majhong PV FX
Tokimeki Card Paradise

Fighting Games.  Kind of:
Battle Heat
Tengai Makyo Karakuri Kakutoden

Miscellaneous:
Anime Freak FX Vol. 1
Anime Freak FX Vol. 2
Anime Freak FX Vol. 3
Anime Freak FX Vol. 4
Anime Freak FX Vol. 5
Anime Freak FX Vol. 6
Same Game FX
Voice Paradise

Epic Role Playing Games:
Angelique Tenkuu no Requiem
Blue Breaker
Boundary Gate: Daughter of Kingdom
Dragon Knight IV
Last Imperial Prince
Lunatic Dawn FX
Makeruna! Makendou Z
Miraculum: The Last Revelation

The Only Shooter On The PC-FX, not that you need any other:
Super God Trooper Zeroigar

Sports:
All Japan Womens Pro Wrestling: Queen of Queens
Super Power League FX

Strategy:
Arubarea's Maiden
Deep Blue Fleet
Der Langrisser FX
Farland Story FX
Power Dolls FX
Sparkling Feather

Dating Sims:
Can Can Bunny Extra DX
Classmates 2
Fire Woman Matoi-gumi
First Kiss Story
Megami Paradise II
Welcome To Pia Carrot 

Other Sims:
Angelique Special
Angelique Special 2
Graduation 2: Neo Generation FX
Graduation Real
Wakusei-Kōgekitai Little Cats

Digital Comics:
Ah! My Goddess
Cocktail Pack
Comic Road
Cutey Honey FX 
Galaxy Fraulein Yuna FX
Minimum Nanonic
Tekipaki Working Love FX
Tenchi Muyo! Ryo-Ohki FX
Tonari no Princess Rolfee!
Zoku Hatukoi Monogatari