Region | Title | System | Version | Edition | Languages | Serial | Status |
| Kawasaki Fantasy Motocross | PC | | | | 04-22847CDSL2 | |
| Ken & Brian's Favorite Demos | PC | | | | 0-522-40-I05 | |
| Kingdom II: Shadoan (Disc 1) | PC | | | | 752937-30972-a | |
| Kiosk Demo Disc 2.3 | PS2 | 1.00 | | | SCUS 97156 | |
| Kiosk Demo Disc 2.4 | PS2 | 1.00 | | | SCUS 97174 | |
| Kiosk Demo Disc 2.5 | PS2 | 1.00 | | | SCUS 97200 | |
| Kiosk Demo Disc 2.6 | PS2 | 1.00 | | | SCUS 97218 | |
| Kiosk Demo Disc 2.7 | PS2 | 1.00 | | | SCUS 97222 … | |
| Kiosk Demo Disc 2.8 | PS2 | 1.00 | | | SCUS 97261 | |
| Kiosk Demo Disc 2.9 | PS2 | 1.00 | | | SCUS 97270 | |
| Kiosk Demo Disc Q1-Q2 2005 | PS2 | 1.01 | | | SCUS 97422 | |
| Kiosk Demo Disc Q2-Q3 2005 | PS2 | 1.00 | | | SCUS 97423 | |
| Kiosk Demo Disc Q3-Q4 2004 | PS2 | 1.00 | | | SCUS 97428 | |
| Kiosk Demo Disc Q4 2004-Q1 2005 | PS2 | 1.00 | | | SCUS 97421 | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | 5 Ft 10 Pak In A Box Volume One, Platinum | | KQU344AE-CD | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | | 5 ft. 10 PAK | | | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | 5 ft. 10 Pak Vol. I, Rerelease | | | |
| A Kiss for the Petals: Maidens of Michael その花びらにくちづけを ミカエルの乙女たち | PC | 2.3 | A Kiss For the Petals: Double Pack | | MG-SM-RE-001 | |
| A Kiss for the Petals: Remembering How We Met その花びらにくちづけを 出会った頃の思い出に | PC | 2.6 | A Kiss For the Petals: Double Pack | | MG-SM-RE-001 | |
| Karaoke Revolution Presents: American Idol Encore 2 | WII | | Beta | | | |
| Kingdom of Paradise | PSP | 0.20 | Beta | | | |
| Kingdom: The Far Reaches | 3DO | | Beta (CD-R) | | | |
| Kinect Adventures! | XBOX360 | Rev 2 | Bundled with Kinect | | MS-2285 | |
| KISS Psycho Circus: The Nightmare Child | PC | | Collector's Edition | | | |
| Kingdom Under Fire: A War of Heroes | PC | | Demo | | | |
| Konami Kids Playground | PS2 | 1.00 | Demo | | SLUS 29200 | |
| Konami Preview Disc | PS2 | 1.00 | Demo | | SLUS-29125 | |
| Kid Works Deluxe: Story Maker | PC | 1.1C | Fisher-Price Ready for School: 1st Grade | | | |
| Kellogg's Pop-Tarts Presents: Robots the Movie: Rachet and Madame Gasket's Sweeper Zone | PC | | Kellogg's | | | |
| Kellogg's Pop-Tarts Presents: Robots the Movie: Rescue the Rusties | PC | | Kellogg's | | | |
| Koropokkur in Love: A Little Fairy's Tale | PC | | Limited Edition | | MG-MG-RE-001 | |
| Kohan: Immortal Sovereigns | PC | 1.1.0 | Linux | | | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | Mega CD Fantasy 3-Pack | | 833024331\S302430 | |
| Kid's Zoo: A Baby Animal Adventure | PC | | Not for Resale | | ZZKID12CDNFROD | |
| K9.5 5: The Howlywood Premiere | PSX | | Original | | LSP-907103 … | |
| Kakuto Chojin | XBOX | | Original | | MS-012 | |
| Kamen Rider: Dragon Knight | WII | | Original | | RVL-SKRE-USA-B0 | |
| Kaplan Mobile SAT·ACT / PSAT 2005 Kaplan Test Prep and Admissions Mobile SAT·ACT / PSAT 2005 | PALM | | Original | | 531-1004-10 | |
| Karaoke Revolution Glee: Volume 2 Glee Karaoke Revolution: Volume 2 | WII | Rev 1 | Original | | RVL-SKGE-USA-B0 | |
| Karaoke Revolution Glee: Volume 3 Glee Karaoke Revolution: Volume 3 | WII | | Original | | RVL-SKOE-USA-B0 | |
| Karaoke Revolution Presents: American Idol | PS2 | 1.00 | Original | | SLUS 21540 | |
| Karaoke Revolution Presents: American Idol Encore | WII | | Original | | RVL-RIEE-USA | |
| Karaoke Revolution Presents: American Idol Encore | XBOX360 | | Original | | KN-2018 | |
| Karaoke Revolution Presents: American Idol Encore | PS3 | 01.01 | Original | | BLUS-30112 | |
| Karaoke Revolution Presents: American Idol Encore | PS2 | 1.00 | Original | | SLUS 21719 | |
| Karaoke Revolution Presents: American Idol Encore 2 | XBOX360 | | Original | | KN-2035 | |
| Karaoke Revolution Presents: American Idol Encore 2 | WII | | Original | | RVL-RIFE-USA | |
| Karaoke Revolution Presents: American Idol Encore 2 | PS3 | 01.01 | Original | | BLUS-30215 | |
| Karaoke Revolution Volume 2 | PS2 | 1.00 | Original | | SLUS 20968 | |
| Karaoke Revolution Volume 3 | PS2 | 1.00 | Original | | SLUS 21089 | |
| Katamari Damacy | PS2 | 1.00 | Original | | SLUS 21008 | |
| Kathy Smith: Personal Trainer | CDI | | Original | | 310690049-2 | |
| Kawasaki Fantasy Motocross | PC | | Original | | | |
| Kawasaki Snowmobiles | WII | | Original | | RVL-RWBE-USA | |
| KazMania 1: Trail of Gems | PSX | | Original | | LSP-070110 … | |
| KazMania 1: Trail of Gems | PC | 2.0 | Original | | | |
| KazMania 2: Chaos in KazMania | PSX | | Original | | LSP-905130 … | |
| KazMania 2: Chaos in KazMania | PC | 2.0 | Original | | | |
| KazMania 2: Chaos in KazMania | PC | 2.0 | Original | | | |
| KazMania 2: Chaos in KazMania | PC | 2.1 | Original | | | |
| KazMania 2: Chaos in KazMania | PSX | Rev 1 | Original | | LSP-905130 … | |
| Kengo: Master of Bushido | PS2 | 1.00 | Original | | SLUS 20021 | |
| Kevin VanDam Big Bass Challenge | WII | | Original | | RVL-SKVE-USA-B0 | |
| Key Skills Math: Shapes, Numbers, Measurement | PC | | Original | | | |
| Kid Pix 5: The S.T.E.A.M. Edition | PC | 5.0.1 | Original | | 2092-1-02 | |
| Kid Pix Deluxe 4 for Schools | PC | | Original | | 483227-CD, Cat# MIN 50142 | |
| Kid's College Educational Software: Texas A&M University | PC | | Original | | | |
| Kids Can Read! Aesop's Fables | PC | | Original | | CDRM1051740 | |
| Kids Can Read! Heather Hits Her First Home Run by Ted Planos | VIS | | Original | | 25-6133 | |
| Kids Can Read! Moving Gives Me a Stomach Ache: Story by Heather McKend | VIS | | Original | | 25-6134 | |
| Kids Can Read! Mud Puddle: Robert N. Munsch | VIS | | Original | | 25-6128 | |
| Kids Can Read! Scary Poems for Rotten Kids written by Sean O Huigin | VIS | | Original | | 25-6130 | |
| Kids Can Read! The Night Before Christmas: Clement C. Moore LLD | VIS | | Original | | 25-6135 | |
| Kids Can Read! The Paper Bag Princess: Robert N. Munsch | VIS | | Original | | 25-6127 | |
| Kids Can Read! The Tale of Benjamin Bunny: Beatrix Potter | VIS | | Original | | 25-6126 | |
| Kids Can Read! The Tale of Peter Rabbit | PC | | Original | | CDRM1051500 | |
| Kids Can Read! Thomas' Snowsuit: R. Munsch | VIS | | Original | | 25-6129 | |
| Kids Card Games Compendium | PC | | Original | | 92876 | |
| Kidz Bop Dance Party! The Video Game | WII | | Original | | RVL-SKBE-USA-B0 | |
| Kileak: The DNA Imperative | PSX | | Original | | SCUS-94102 | |
| Kill Switch kill.switch | XBOX | | Original | | NM-011 | |
| Kinect Nat Geo TV: America the Wild (Disc 1) (Volume 1) | XBOX360 | | Original | | MS-2509 | |
| Kinect Nat Geo TV: America the Wild (Disc 2) (Volume 2) | XBOX360 | | Original | | MS-2509 | |
| Kinect Star Wars | XBOX360 | | Original | | MS-2318 | |
| The King of Fighters '98: Ultimate Match (Bonus Disc) | PC | | Original | | | |
| The King of Fighters '98: Ultimate Match | PS2 | 1.01 | Original | | SLUS-21816 … | |
| The King of Fighters: Dream Match 1999 | DC | 1.004 | Original | | T-3101N | |
| King's Bounty: Armored Princess / King's Bounty: Crossworlds | PC | 1.3.1 (build 6171) | Original | | 128749 | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | | Original | | | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | Original | | 833064331 | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | Original | | 833064331 | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.000 | Original | | 833021000 | |
| King's Quest: The Complete Collection | XBOX360 | | Original | | AV-2342 | |
| Kingdom of Kanday: Electronic Atlas | PC | | Original | | | |
| Kingdom of Paradise | PSP | 1.00 | Original | | UCUS-98623 | |
| Kingdom Under Fire: The Crusaders 킹덤언더파이어: 더 크루세이더즈 | XBOX | | Original | | PL-002 | |
| Kingdom: The Far Reaches | CDI | | Original | | 310690262-2 | |
| Kingdom: The Far Reaches | PC | | Original | | CD-ICD-052-0 | |
| Kingdoms of Amalur: Reckoning | PC | | Original | | | |
| Kirby's Dream Collection: Special Edition | WII | | Original | | RVL-S72E-USA-B0 | |
| Kirby's Return to Dream Land | WII | | Original | | RVL-SUKE-USA-B0 | |
| A Kiss for the Petals: Maidens of Michael その花びらにくちづけを ミカエルの乙女たち | PC | 2.3 | Original | | MG-SM-RE-001 | |
| KISS Psycho Circus: The Nightmare Child | PC | 1.0 | Original | | | |
| KISS Psycho Circus: The Nightmare Child | DC | 1.000 | Original | | T-41901N | |
| 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 | | | |
| Klik & Play Gaming Series: Defender Pack | PC | | Original | | | |
| Klonoa: Door to Phantomile | PSX | | Original | | SLUS-00585 | |
| Knight Moves | PC | | Original | | 1-163-48-101 | |
| Knight's Chase Time Gate: Knight's Chase | PC | | Original | | | |
| Knights and Merchants Knights and Merchants: The Shattered Kingdom | PC | 1.3 ENG | Original | | | |
| Knights and Merchants: The Peasants Rebellion | PC | | Original | | | |
| KOF: Maximum Impact: Maniax | XBOX | | Original | | SN-007 | |
| Kogi / 3D Columns | PC | | Original | | CDRS420CD | |
| Kohan: Ahriman's Gift | PC | 1.3.7AG | Original | | 04-23080CD | |
| Kohan: Immortal Sovereigns | PC | 1.0.2 | Original | | 04-22387CD | |
| Konami Arcade Classics | PSX | | Original | | SLUS-00945 | |
| Konami Classics Vol. 1 | XBOX360 | | Original | | KN-2066 | |
| Konami Classics Vol. 2 | XBOX360 | | Original | | KN-2067 | |
| Konami Collector's Series: Castlevania & Contra | PC | 1.0 | Original | | Part Number 23422 | |
| Konami Kids Playground: Alphabet Circus | PS2 | 1.00 | Original | | SLUS-21559 | |
| Konami Kids Playground: Dinosaurs: Shapes & Colors | PS2 | 1.00 | Original | | SLUS 21556 | |
| Konami Kids Playground: Frogger: Hop, Skip & Jumpin' Fun | PS2 | 1.03 | Original | | SLUS 21557 | |
| Konami Kids Playground: Toy Pals Fun with Numbers | PS2 | 1.00 | Original | | SLUS 21558 | |
| The Kore Gang: Outvasion from Inner Earth | WII | | Original | | RVL-SP5E-USA-B0 | |
| Kororinpa: Marble Mania | WII | | Original | | RVL-RCPE-USA | |
| Kung-Fu High Impact | XBOX360 | | Original | | LS-2029 | |
| KOF: Maximum Impact | PS2 | 1.03 | Original, Collector's Edition | | SLUS 20923 | |
| Kingdom Hearts: Birth by Sleep | PSP | 1.00 | Original, Demo | | UCUS-98173 … | |
| Kingdom Hearts | PS2 | 1.01 | Original, Greatest Hits | | SLUS 20370 … | |
| Kingdom Hearts II | PS2 | 1.00 | Original, Greatest Hits | | SLUS 21005 … | |
| Kingdom Hearts: HD 2.5 ReMIX | PS3 | 01.00 | Original, Greatest Hits | | BLUS-31460 | |
| Kingdom Hearts: Re:Chain of Memories | PS2 | 1.00 | Original, Greatest Hits | | SLUS 21799 … | |
| Kingdom Hearts: HD 1.5 ReMIX | PS3 | 01.00 | Original, Greatest Hits, Limited Edition | | BLUS-31212 … | |
| Knights in the Nightmare | PSP | 1.00 | Original, Test Sample | | ULUS-10539 | |
| Kodak Photo CD Portable Player Demo Disc | PHOTO-CD | | Photo CD Hardware Bundle | | | |
| Kameo + Perfect Dark Zero Extra Screens: Print Only | PC | | Press Kit | | | |
| Kingdom Hearts (E3 2002 Media CD) | PC | | Press Kit | | | |
| Konami E3 2003 Press Kit | PC | | Press Kit | | | |
| Konami E3 2004: Press Asset Disc | PC | | Press Kit | | | |
| Konami E3 2006 Press Kit Konami Electronic Press Kit 2006 | PC | | Press Kit | | | |
| Konami Press Kit: E3 2005 Extra! Extra! Konami PR Assets | PC | | Press Kit | | | |
| Kingdom Hearts II | PS2 | 0.10 | Preview ROM | | SLUS-21005 | |
| Killing Time | PSX | | Prototype | | SLUS-00390 | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | Rerelease | | | |
| 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 | | | |
| 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 | 1.000.00G | Rerelease | | 833021000 | |
| King's Quest: Mask of Eternity | PC | 1.0.0.3 | Rerelease | | | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | SierraOriginals | | | |
| King's Quest V: Absence Makes the Heart Go Yonder King's Quest V: Absence Makes the Heart Go Yonder! | PC | 1.000.052 | SierraOriginals | | | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | SierraOriginals | | | |
| King's Quest VI: Heir Today, Gone Tomorrow | PC | 1.000.00G | SierraOriginals | | | |
| Kohan: Immortal Sovereigns | PC | 1.3.4 | Special Awards Edition | | 23895CD | |
| The King of Fighters 2002: Challenge to Ultimate Battle | PS2 | 1.03 | The King of Fighters 02/03 | | SLUS 20995 | |