| Game name | Developer | Release | Engine |
|---|---|---|---|
| ANGEL エンジェル |
IDES | 1993-10-01 | Adv98V Version 1.70.57(R8) |
| Angel☆Night ~Yamiyo o Kakeru Tenshi-tachi no Monogatari~ えんじぇる☆ないと ～闇夜を翔ける天使たちの物語～ |
Four･Nine | 1996-04-26 | PC-98 D-SHELL v0.92 |
| Can Can Bunny Extra きゃんきゃんバニー エクストラ |
IDES | 1993-06-25 | Adv98V Version 1.70.57(R8) |
| Can Can Bunny Spirits きゃんきゃんバニー スピリッツ |
Kirara | 1991-08-10 | Adv for PC-9801V Version 1.70.39 |
| Cat's Part 1 | Cat's Pro. | 1993-02-28 | Adv98V Version 1.70.54 |
| Custom Mate カスタムメイト |
IDES | 1993-09-17 | Adv98V Version 1.70.57(R8) |
| Chuushaki: Hirasawa Nurse School 注射器 |
AyPio | 1996-07-26 | AyPio UK2 (late version) "DREAM SYSTEM" |
| Concert コンサート |
AyPio | 1994-04-15 | AyPio UK2 (early version) |
| Dengeki Nurse 2 ~More Sexy~ 電撃ナース２ ～モアセクシー～ |
IDES | 1994-07-29 | Adv98V Version 1.73.60(R8) |
| Dengeki Nurse 電撃ナース |
IDES | 1992-09-22 | Adv98V Version 1.70.54 |
| DESIRE - Haitoku no Rasen DESIRE 背徳の螺旋 |
C's Ware | 1994-07-22 | C's Ware AGS |
| Eimmy to Yobanaide エイミーと呼ばないでっ |
C's Ware | 1995-05-19 | C's Ware AGS |
| Escalation '95 ~Onee-sama tte Yonde Ii Desu ka?~ エスカレーション ’９５ ～お姉さまって呼んでいいですか？～ |
Melody | 1995-03-04 | [MAX] Adventure Scenario Driver for PC-9801 Ver1.40 Note: calls itself "[ESC] Escalation Adventure Driver" |
| Etsuraku no Gakuen 悦楽の学園 |
C's Ware | 1994-02-25 | C's Ware AGS |
| Eve ~Burst Error~ | C's Ware | 1995-11-22 | C's Ware AGS |
| Fechi / Feti ふぇち |
Cat's Pro. | 1994-03-18 | [MAX] Adventure Scenario Driver for PC-9801 Ver1.26 |
| Gao Gao! 1st ~Radical Sequence~ ＧＡＯＧＡＯ！１ｓｔ ~ラジカルシークエンス~ |
Four･Nine | 1994-01-07 | Four･Nine System-98 v1.0 |
| Gao Gao! 2nd ~Pandora Wood~ ＧＡＯＧＡＯ！２ｎｄ ~パンドラの森~ |
Four･Nine | 1994-04-16 | Four･Nine System-98 v1.1 |
| Gao Gao! 3rd ~Wild Force~ ＧＡＯＧＡＯ！３ｒｄ ~ワイルドフォース~ |
Four･Nine | 1994-10-29 | Four･Nine System-98 v3.00 |
| Gao Gao! 4th Canaan ~Yakusoku no Chi~ カナン ～約束の地～ |
Four･Nine | 1997-04-18 | Four･Nine System-98 v3.10 |
| Gao Gao! Optional Disc ＧＡＯＧＡＯ！オプショナルディスク |
Four･Nine | 1995 | Four･Nine System-98 v3.10 |
| H+ エッチプラス |
Desire | 1994-07-20 | Four･Nine System-98 "Desire Special Version" |
| Hacchake Ayayo-san 2 - Ikenai Holiday - Ayayo's Love Affair はっちゃけ あやよさん２ いけないホリデイ ＡＹＡＹＯ＇Ｓ ＬＯＶＥ ＡＦＦＡＩＲ |
HARD | 1990-09-14 | HARD custom |
| Hacchake Ayayo-san 3 - Watashi, Icchattan Desu - Ayayo's Life After はっちゃけ あやよさん３ 私、逝っちゃったんです ＡＹＡＹＯ＇Ｓ ＬＩＦＥ ＡＦＴＥＲ |
HARD | 1991-09-20 | HARD custom |
| Half-Pipe | AyPio | 1993-09-29 | AyPio UK2 (very early version)? |
| Halfmoon ni Kawaru made ~Ramiya Ryou no Niji-iro Tamatebako~ |
IDES | 1994-04-28 | Adv98V Version 1.72.59(R8) |
| HHG Heart Heat Girls ＨＨＧ ハートヒートガールズ |
Cat's Pro. | 1993-12-02 | [MAX] Adventure Scenario Driver for PC-9801 Ver0.92 |
| Ikenie ~Kyouraku no Shinden~ いけにえ ～享楽の神殿～ |
Cat's Pro. | 1994-06-11 | [MAX] Adventure Scenario Driver for PC-9801 Ver1.30 |
| Injuu Gakuen ~La★Blue Girl~ 淫獣学園 ～Ｌａ★Ｂｌｕｅ Ｇｉｒｌ～ |
IDES | 1994-03-24 | Adv98V Version 1.72.59(R8) |
| JYB ~Mehame Haruuga wa Himitsu no Jumon~ JYB ～メハメ・ハルーガは秘密の呪文～ |
IDES | 1993-04-28 | Adv98V Version 1.70.57(R8) |
| Kimi Dake ni Ai o... キミだけに愛を・・・ |
Game Technopolis | 1991-08 | Adv for PC-9801V Version 1.70.39 |
| Kindan no Ketsuzoku 禁断の血族 |
C's Ware | 1993-11-12 | C's Ware AGS (early version) |
| Kounai Shasei Vol.1 校内写生 第1巻 |
Kirara | 1991-07-26 | Adv for PC-9801V Version 1.70.33 |
| Kounai Shasei Vol.2 校内写生 第2巻 |
Kirara | 1991-07-26 | Adv for PC-9801V Version 1.70.33 |
| Kounai Shasei Vol.3 校内写生 第3巻 |
Kirara | 1991-07-26 | Adv for PC-9801V Version 1.70.33 |
| Kurayami 暗闇 |
Melody | 1996-07-26 | [MAX] Adventure Scenario Driver for PC-9801 Ver1.80 |
| Lilith リリス |
Four･Nine | 1995-12-16 | Four･Nine System-98 v3.12 |
| LIXUS LIXUS -リクサス- |
Four･Nine | 1992-12-25 | Four･Nine System-98 v1.00 |
| Marine Philt マリンフィルト |
IDES | 1993-03-12 | Adv98V Version 1.70.57(R8) |
| Mesuneko Hishoshitsu 牝猫秘書室 |
Melody | 1995-12-22 | [MAX] Adventure Scenario Driver for PC-9801 Ver1.80 |
| Merry Go Round メリーゴーランド |
Mischief | 1996-03-08 | OVL Version 1.00 for NEC PC-9801/9821 |
| Nocturnal Illusion / Mugen Yasoukyoku 夢幻夜想曲 |
Apricot | 1995-04-22 | Four･Nine System-98 v3.10 |
| Noushuku ANGEL 120% 濃縮ANGEL・120% |
IDES | 1995-04-14 | Adv98V Version 1.75.62(R8) |
| Neko Manma EX ねこまんまEX |
Four･Nine | 1993-05-21 | Four･Nine System-98 v0.E |
| Night Shifter ナイトシフター |
Four･Nine | 1993-09-10 | Four･Nine System-98 v1.1 |
| Night Slave ナイト・スレイブ |
Melody | 1996-03-08 | (not an ADV, but uses "[MAX] Adventure Scenario Driver" data formats) |
| NOVA ノ・ヴァ |
Cat's Pro. | 1993-05-28 | Adv98V Version 1.70.54 |
| Satyr サティア |
AyPio | 1994-09-02 | AyPio UK2 (late version) |
| SEX | AyPio | 1995-02-24 | AyPio UK2 (late version) |
| SEX2 | AyPio | 1996-03-01 | AyPio UK2 (late version) "DREAM SYSTEM" |
| Sorcer Kingdom | AyPio | 1995-10-27 | AyPio UK2 (late version) "SOSAR SYSTEM" |
| STARS | AyPio | 1997-03-14 | AyPio UK2 (late version) "NORMAL SYSTEM" |
| Travel★Junction トラベル★ジャンクション |
IDES | 1996-06-28 | Adv98V Version 1.75.63(R8) |
| Visitte ビジット |
Mischief | 1996-08-30 | OVL Version 1.00 for NEC PC-9801/9821 Note: calls itself "EXE Version 1.00" |
| VR Date - May Club Ｖ．Ｒ．デート 五月倶楽部メイクラブ |
Desire | 1995-08-25 | Four･Nine System-98 v3.12 |
| Waku Waku Mahjong Panic! わくわく麻雀パニック！ ～式神伝承～ |
Four･Nine | 1995-01-13 | DAIMA Factory Inc. DIANA v1 |
| Waku Waku Mahjong Panic! 2 わくわく麻雀パニック！２ ～刻視夢想～ |
Four･Nine | 1996-07-12 | DAIMA Factory Inc. DIANA v2 |
| X-GIRL | IDES | 1996-04-19 | Adv98V Version 1.75.63(R8) |
| Xenon ~Mugen no Shitai~ XENON ～夢幻の肢体～ |
C's Ware | 1994-12-09 | C's Ware AGS |
| Yume no Sei 夢の精 |
13cm | 1996-01-26 | AyPio UK2 (late version) "DREAM SYSTEM" |
- UK2 "late version" features identification strings at the beginning of
MESandDLBfiles. Those are missing in the "early version". - UK2 "very early version" (game "Half-Pipe") doesn't identify itself as "UK2", but uses the same formats.