Region | Title | System | Version | Edition | Languages | Serial | Status |
| Katalog Spezial Demo | PSX | | | | SCED-01739 | |
| Knights and Merchants: The Shattered Kingdom | PC | | Back to Games | | | |
| Kameo: Elements of Power | XBOX360 | Rev 1 | Classics | | MS-2002 | |
| Kidou Senshi Gundam: Meguriai Sora 機動戦士ガンダム めぐりあい宇宙 | PS2 | 1.03 | Digest DVD Doukonban | | SLPS 25062 | |
| KnightShift | PC | 1.0 | Director's Cut: Special Edition | | | |
| King's Quest VII: The Princeless Bride | PC | 1.51 | Gold Games 2 (CD 10) | | | |
| Knights and Merchants: The Shattered Kingdom | PC | 1.3 GER | Gold Games 4 (CD 10) | | SPI 061 | |
| Die Kunst des Mordens: Geheimakte FBI | PC | | Green Pepper, Software Pyramide | | | |
| Kaen Seibo: The Virgin on Megiddo (Disc 1) 火焔聖母 ~The Virgin on Megiddo~ | DC | 1.004 | Original | | T-42802M | |
| Kaen Seibo: The Virgin on Megiddo (Disc 2) 火焔聖母 ~The Virgin on Megiddo~ | DC | 1.004 | Original | | T-42802M | |
| Kagero: Deception II Kagero: Deception 2 | PSX | | Original | | SLES-01967 | |
| Kakinoki Shougi 柿木将棋 | SS | 1.000 | Original | | T-2104G | |
| Kanzen Chuukei Pro Yakyuu Greatest Nine 完全中継プロ野球 グレイテスト・ナイン | SS | 1.010 | Original | | GS-9017 | |
| Kart Challenge | PSX | | Original | | SLES-03209 … | |
| Keiba Eight '99 Haru Natsu 競馬エイト´99春夏 | PSX | | Original | | SLPS 01929 | |
| Kensei: Sacred Fist | PSX | | Original | | SLES-01081 | |
| Kensetsu Kikai Simulator: Kenki Ippai! 建設機械シミュレーター KENKI いっぱい! | PSX | | Original | | SLPS 02605 | |
| Kessen | PS2 | 1.00 | Original | | SLES-50020 | |
| Kessen 決戦 | PS2 | 1.50 | Original | | SLPM 65001 | |
| Kessen II | PS2 | 1.00 | Original | | SLES-50580 | |
| Kick Off 3 | PC | | Original | | | |
| Kidou Senshi Gundam 機動戦士ガンダム | PS2 | 1.04 | Original | | SLPS 25020 | |
| Kindaichi Shounen no Jikenbo: Hoshimitou Kanashimi no Fukushuuki 金田一少年の事件簿 ~星見島 悲しみの復讐鬼~ | SS | 1.002 | Original | | T-14315G | |
| The King of Boxing キング・オブ・ボクシング | SS | 1.010 | Original | | T-6001G | |
| The King of Fighters '96 ザ・キング・オブ・ファイターズ’96 | SS | 1.001 | Original | | T-3108G | |
| Kingpin: Life of Crime | PC | | Original | | CD-W95-848-E | |
| KKND: Krush, Kill 'N' Destroy | PC | | Original | | 7792, BEX05101100D | |
| Kokumeikan 刻命館 | PSX | | Original | | SLPS 00249 | |
| Kon'ya mo Dorubako!! 2000 今夜も千両箱!!2000 | PSX | | Original | | SLPS 02547 | |
| Konjiki no Gashbell!! Yuujou Tag Battle 2 金色のガッシュベル!!友情タッグバトル2 | PS2 | 1.01 | Original | | SLPS 25479 | |
| Koudelka (Disc 1) | PSX | | Original | | SLES-02899 | |
| Koudelka (Disc 2) | PSX | | Original | | SLES-12899 | |
| Koudelka (Disc 3) | PSX | | Original | | SLES-22899 | |
| Koudelka (Disc 4) | PSX | | Original | | SLES-32899 | |
| Koushien V 甲子園Ⅴ | PSX | | Original | | SLPS 00729 | |
| Kyousouba Ikusei Simulation: Derby Stallion 競走馬育成シミュレーション ダービースタリオン | PSX | | Original | | SLPS 00777 | |
| Kessen II 決戦Ⅱ | PS2 | 1.04 | Original, PlayStation 2 the Best, Koei Teiban Series, Sangokushi no Sekai Duo: Treasure Box, Super Value Set, Shin Sangoku Musou 3: Empires Excellent Box | | SLPM 65015 … | |
| King's Field | PSX | | Original, Promo | | SCES-00510 | |
| Kidou Senshi Gundam: Gihren no Yabou 機動戦士ガンダム ギレンの野望 | SS | 1.003 | Original, Shokai Genteiban | | T-13327G, T-13330G | |
| Killer Loop | PSX | | Original, Ubisoft eXclusive | | SLES-01878 … | |
| Koei PlayStation 2 Line-Up コーエー “プレイステーション 2” ラインナップ | PS2 | 1.00 | PlayStation Festival 2000 (Taikenban) | | SLPM 60106 | |
| Konami PlayStation 2 Taikenban コナミ “プレイステーション2” 体験版 | PS2 | 1.00 | PlayStation Festival 2000 (Taikenban) | | SLPM 60104 | |