Region | Title | System | Version | Edition | Languages | Serial | Status |
| Konung: Legend of the North | PC | 1.0 | Original, Fight Knight | | 04-22006CD | |
| Konami Preview Disc | PS2 | 1.00 | Demo | | SLUS-29125 | |
| Konami Collector's Series: Castlevania & Contra | PC | 1.0 | Original | | Part Number 23422 | |
| KISS Psycho Circus: The Nightmare Child / Heavy Metal: F.A.K.K. 2: Bonus Disc! KISS Psycho Circus: The Nightmare Child / Heavy Metal: FAKK 2: Bonus Disc! | PC | | Original | | | |
| Kiosk June-July-August 2003 Kiosk June•July•August 2003 | PS2 | 1.00 | | | SCUS 97321 | |
| Kiosk Disc 2.23 | PS2 | 1.00 | | | SCUS 97582 | |
| Kiosk Demo Disc Q4 2004-Q1 2005 | PS2 | 1.00 | | | SCUS 97421 | |
| Kiosk Demo Disc Q3-Q4 2004 | PS2 | 1.00 | | | SCUS 97428 | |
| Kiosk Demo Disc Q1-Q2 2005 | PS2 | 1.01 | | | SCUS 97422 | |
| Kiosk Demo Disc 2.7 | PS2 | 1.00 | | | SCUS 97222 … | |
| Kiosk Demo Disc 2.5 | PS2 | 1.00 | | | SCUS 97200 | |
| Kiosk Demo Disc 2.4 | PS2 | 1.00 | | | SCUS 97174 | |
| Kiosk 2-12 Spring 2004 | PS2 | 1.00 | | | SCUS 97383 | |
| Kiosk 2-11 Winter 2003 | PS2 | 1.00 | | | SCUS 97324 | |
| Kingpin: Life of Crime | PC | | Original | | CD-C95-848-0 | |
| Kingdom Hearts: HD 2.5 ReMIX | PS3 | 01.00 | Original, Greatest Hits | | BLUS-31460 | |
| Kingdom Hearts: HD 1.5 ReMIX | PS3 | 01.00 | Original, Greatest Hits, Limited Edition | | BLUS-31212 … | |
| King's Quest VII: The Princeless Bride | PC | 2.00b | 3 Free | | S308430 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Rerelease | | 833021000 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Rerelease | | 833024331\S302430 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.000 | Original | | 833021000 | |
| The King of Fighters XIII | PS3 | 01.03 | Original | | BLUS-30845 | |
| The King of Fighters '98: Ultimate Match (Bonus Disc) | PC | | Original | | | |
| Killer Is Dead | PS3 | 01.00 | Original, Limited Edition | | BLUS-31186 | |
| Kane & Lynch: Dead Men (Sneak Preview) | PS2 | 1.00 | Hitman Trilogy | | SLUS 21654 | |
| Kung Fu Fighting | PS2 | 1.00 | Prototype | | | |
| Konami Press Kit: E3 2005 Extra! Extra! Konami PR Assets | PC | | Press Kit | | | |
| Konami E3 2006 Press Kit Konami Electronic Press Kit 2006 | PC | | Press Kit | | | |
| Kogi / 3D Columns | PC | | Original | | CDRS420CD | |
| Kodak Photo CD Portable Player Demo Disc | PHOTO-CD | | Photo CD Hardware Bundle | | | |
| Kodak Photo CD Access Software & Photo Sampler | PHOTO-CD | | | | CDRM1071380, PART NO. 15-1132-01 | |
| Klik & Play Gaming Series: Defender Pack | PC | | Original | | | |
| Kiyeko and the Lost Night | PC | | Original | | | |
| KISS Psycho Circus: The Nightmare Child | PC | | Collector's Edition | | | |
| Kiosk Q2-Q3 2006 | PS2 | 1.00 | | | SCUS 97557 | |
| Kiosk Disc 2.2 | PS2 | 1.00 | | | SCUS-97127 | |
| Kiosk Disc 2.1 | PS2 | 1.00 | | | SCUS 97116 | |
| Kiosk Demo Disc Q2-Q3 2005 | PS2 | 1.00 | | | SCUS 97423 | |
| Kiosk Demo Disc 2.9 | PS2 | 1.00 | | | SCUS 97270 | |
| Kiosk Demo Disc 2.8 | PS2 | 1.00 | | | SCUS 97261 | |
| Kiosk Demo Disc 2.6 | PS2 | 1.00 | | | SCUS 97218 | |
| Kiosk Demo Disc 2.3 | PS2 | 1.00 | | | SCUS 97156 | |
| Kings Collection | PC | | Original | | P/N: 10763-A | |
| Kingdom Under Fire: A War of Heroes | PC | | Demo | | | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Mega CD Fantasy 3-Pack | | 833024331\S302430 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Rerelease | | 833021000 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Rerelease | | 833021000 | |
| King Sol | PC | 1.3 | Original | | | |
| Kinect Nat Geo TV: America the Wild (Disc 2) (Volume 2) | XBOX360 | | Original | | MS-2509 | |
| Kinect Nat Geo TV: America the Wild (Disc 1) (Volume 1) | XBOX360 | | Original | | MS-2509 | |
| Killzone Trilogy (Killzone | Killzone 2) | PS3 | 02.00 | Original | | BCUS 99075 | |
| Killer Demo CD Vol. 1 | PC | | | | | |
| KidWorks Deluxe | PC | | Original | | | |
| Kids' Arcade Pack Kid's Arcade Pack for Windows | PC | | Original | | P/N 7362 | |
| Kids Card Games Compendium | PC | | Original | | 92876 | |
| Kids Arcade for Windows | PC | | Original | | | |
| Kid Works Deluxe | PC | 1.0.0.1 | Original | | | |
| Kid Pix Studio | PC | | ImagiMaker Series | | | |
| Kid Pix Deluxe 4.1 for Schools (Teacher Resource CD) | PC | | Original | | 1083739 | |
| Kid Concoctions: Contraptions | PC | | Chick-fil-A | | | |
| Ken & Brian's Favorite Demos | PC | | | | 0-522-40-I05 | |
| Kellogg's Pop-Tarts Presents: Robots the Movie: Rachet and Madame Gasket's Sweeper Zone | PC | | Kellogg's | | | |
| Kasparov Chessmate | PC | 1.0.6 | Champion's Choice | | P/N 61065-CD-01 | |
| Kane & Lynch: Dead Men (Sneak Preview) | PC | | Hitman Trilogy | | MHTTPPUS01 | |
| Kameo + Perfect Dark Zero Extra Screens: Print Only | PC | | Press Kit | | | |