| Sony PlayStation 2 disc |  Jissen Pachi-Slot Hisshouhou! Ultraman Club ST Model SLPM-66292 P | 2006 | SEGA Corp. |
| PC/MS-Windows CD | Joint Task Force | 2006 | Sierra Ent., Inc. USA |
| Slot Machine | Joker Jewels | 2006 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Jolly Roger Riches | 2006 | Aruze Corp. Japan |
| Amstrad CPC 464 disk | Juggler Animation 1 Hb | 2006 | Demoniak |
| Amstrad CPC 464 disk | Juggler Animation 2 Hb | 2006 | Demoniak |
| Sony PSP UMD | Juiced - Eliminator | 2006 | T-HQ, Inc. Toy HeadQuarters |
| Slot Machine | Jukebox Jam | 2006 | Spectre Gaming, Inc. Plymouth, MN, USA |
| Sony PSN: Shodai PS Archives pack. |  Jumping Flash! Model NPJI-00003 | 2006 | Sony Computer Ent., Inc. SCEI Japan |
| Slot Machine | Jungle Cats Life of Luxury Progressive | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Jungle Wild G+ | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Medal video game | Jurassic World | 2006 | Unknown Korea |
| Microsoft XBOX 360 disc | Just Cause | 2006 | Eidos Interactive |
| PC/MS-Windows CD | Just Cause | 2006 | Eidos Interactive |
| Nintendo GBA cart. | Justice League Heroes - The Flash Model AGB-BJHE-USA | 2006 | WB Games Warner Bros. |
| Nintendo GBA cart. | Justice League Heroes - The Flash Model AGB-BJHP | 2006 | WB Games Warner Bros. |
| Sony PSP UMD | Justice League Heroes Model ULUS-10214 | 2006 | Warner Bros. Ent., Inc. |
| Pachislot | Jyarinko Chie | 2006 | Baltec Japan |
| Pachinko | Kaidokun | 2006 | Abilit Japan |
| Pachinko | Kaitei Syounen Marine | 2006 | Newgin Japan |
| Pachislot | Kakutou Gekisenku - The King of Violence | 2006 | Eleco, Ltd. Aruze Group Japan |
| Microsoft XBOX 360 disc | Kameo - Elements of Power | 2006 | Microsoft |
| Nintendo GameCube disc | Kao the Kangaroo Round 2 | 2006 | Atari, Inc. NY, USA |
| Sega NAOMI GD-ROM | Karous Model GDL-0040 | 2006 | MileStone, Inc. Japan |
| Pachislot | Katsuwo | 2006 | Yama Japan |
| Nintendo GBA cart. | Kawa no Nushi Tsuri 3 & 4 Model AGB-BN4J-JPN | 2006 | Marvelous Interactive, Inc. |
| Slot Machine | Kazachki | 2006 | Magistr Ukraine |
| Sony PSP UMD | Kazuo Model UCJS-10036 | 2006 | Sony Computer Ent., Inc. SCEI Japan |
| Video Slot Machine | Keks | 2006 | Igrosoft |
| Slot Machine | Kelly Country | 2006 | Stargames, Ltd. Australia |
| Pachislot | Kengou! Musashi | 2006 | Eleco, Ltd. Aruze Group Japan |
| Medal mechanical game | Keroro Gunsou Chikyuu Shinryaku Shirei... de Arimasu! Wide Pusher | 2006 | Banpresto Japan |
| Sony PSP UMD | Key of Heaven Model UCES-00178 | 2006 | Sony Computer Ent. Europe SCEE |
| Dedicated Console | Kick Boxing | 2006 | Advance Bright, Ltd. |
| Redemption mechanical game | Kick-It Pro | 2006 | Interactive Light |
| Slot Machine | Kid Savage | 2006 | ID Interactive |
| Arcade Video game | Kidou Senshi Gundam - Senjou no Kizuna | 2006 | NAMCO Bandai Games, Inc. Japan |
| Adobe Flash game | Kids' Choice Awards '06 Hangman | 2006 | Nickelodeon Viacom International, Inc. |
| Pachinko | Kikaider VS Hakaider Model RSTG | 2006 | Nishijin Japan |
| Slot Machine | Kilimanjaro | 2006 | IGT International Game Technologies Reno, NV, USA |
