| Sony PlayStation CD |  Kindaichi Shounen no Jikenbo 3 - Seiryuu Densetsu Satsujin Jiken Model SLPS-02223~4 | 1999 | Kodansha Japan |
| Sony PlayStation CD | Kingsley's Adventure Model SCES-01659 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Kingsley's Adventure Model SLUS-00801 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Kinniku Banzuke Vol. 1 - Ore ga Saikyou no Otoko da! Model SLPM-86381 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Kita Denshi - Virtua Pachi-Slot Model SLPS-01821 | 1999 | Map Japan |
| Sony PlayStation CD | KKND Krossfire Model SLES-01246 | 1999 | Melbourne House UK 015901 |
| Sony PlayStation CD |  KKND Krossfire Model SLES-01616 | 1999 | Melbourne House UK 015901 |
| Sony PlayStation CD | KKND Krossfire Model SLES-01617 | 1999 | Melbourne House UK 015901 |
| Sony PlayStation CD | Klaymen Gun-Hockey Model SLPS-02424 | 1999 | Riverhill Soft. Japan |
| Sony PlayStation CD | Knockout Kings 2000 Model SLES-02322 | 1999 | EA Sports |
| Sony PlayStation CD | Knockout Kings 2000 Model SLES-02323 | 1999 | EA Sports |
| Sony PlayStation CD | Knockout Kings 2000 Model SLUS-00993 | 1999 | EA Sports |
| Sony PlayStation CD |  Koei Summer Campaign: Angelique - Tenkuu no Requiem Model SLPM-86289 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei Summer Campaign: Genghis Khan - Aoki Ookami to Shiroki Mejika IV Model SLPM-86287 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei Summer Campaign: Ishin no Arashi - Bakumatsu Shishiden Model SLPM-86288 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei Summer CampaignNobunaga no Yabou - Shouseiroku with Power-Up Kit Model SLPM-86286 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Air Management '96 Model SLPM-86206 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Angelique Special Model SLPM-86189 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Aoki Ookami to Shiroki Mejika - Genchou Hishi Model SLPM-86303 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Daikoukai Jidai Gaiden Model SLPM-86309 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Daikoukai Jidai II Model SLPM-86203 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Destrega Model SLPM-86336 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Fushigi no Kuni no Angelique Model SLPM-86430 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Ishin no Arashi Model SLPM-86235 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Mouri Motonari - Chikai no Sanshi Model SLPM-86301 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Oda Nobunaga Den Model SLPM-86337 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Söldnerschild Special Model SLPM-86234 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Kon'ya mo Dorubako!! Model SLPS-01894 | 1999 | Hearty Robin |
| Sony PlayStation CD | Konami 80's Arcade Gallery Model SLPM-86228 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Konami Arcade Classics Model SLUS-00945 | 1999 | Konami of America CA, USA |
| Sony PlayStation CD | Konami the Best: Beatmania Model SLPM-86390~1 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Konami the Best: Gensou Suikoden II Model SLPM-86389 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Konami the Best: Mitsumete Knight Model SLPM-86220 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Konami the Best: Other Life - Azure Dreams Model SLPM-86104 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Konami the Best: Paro Wars Model SLPM-86392 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Koneko mo Issho Model SCPS-10127 | 1999 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation CD | Kosodate Quiz Motto My Angel Model SLPS-01885 | 1999 | NAMCO, Ltd. Japan |
| Sony PlayStation CD | Kotobuki Grand Prix - Mezase! Genchari King Model SLPS-01941 | 1999 | Syscom Ent. Japan |
| Sony PlayStation CD |  Koudelka - Promotion-ban Model SLPM-80490 | 1999 | SNK Corp. Shin Nihon Kikaku Japan |
| Sony PlayStation CD | Koudelka Demo Model SLPM-80490 | 1999 | SNK Corp. Shin Nihon Kikaku Japan |
