| Kiddies Party Pack | EU | 2006 |
Phoenix Games | Commercial |
| KOF - Maximum Impact - Maniax | JP | 2006-03 |
SNK Playmore | Commercial |
| Kao the Kangaroo - Round 2 | US | 2006-03 |
Atari | Commercial |
| Karaoke Stage 2 | EU | 2006-03 |
Konami | Commercial |
| Kashimashi - Girl Meets Girl - Hajimete no Natsu Monogatari | JP | 2006-03 |
Marvelous Entertainment | Commercial |
| KimiSuta - Kimi to Study | JP | 2006-04 |
Primavera | Commercial |
| Kouenji Joshi Soccer | JP | 2006-04 |
Starfish | Commercial |
| KimiKiss | JP | 2006-05 |
Enterbrain | Commercial |
| Kagero II - Dark Illusion | AS | 2006-06 |
Tecmo | Commercial |
| Kagero II - Dark Illusion | JP | 2006-06 |
Tecmo | Commercial |
| Kakutou Bijin Wulong | JP | 2006-06 |
Namco Bandai | Commercial |
| Kamaitachi no Yoru X3 - Mikazuki-jima Jiken no Shinsou | JP | 2006-07 |
Sega | Commercial |
| Kinnikuman - Muscle Grand Prix Max | JP | 2006-07 |
Bandai Namco Games | Commercial |
| Kinnikuman - Muscle Grand Prix Max | JP | 2006-07 |
Bandai Namco Games | Demo |
| Kyou kara Maou! Hajimari no Tabi | JP | 2006-07 |
Namco | Commercial |
| Kamiwaza | JP | 2006-08 |
Acquire | Commercial |
| Kamisama Kazoku - Ouen Ganbou | JP | 2006-09 |
Dorart | Commercial |
| Kowloon Youma Gakuenki re-charge | JP | 2006-09 |
Atlus | Commercial |
| Korobot Adventure | JP | 2006-10 |
Tecmo | Commercial |
| K-1 World GP 2006 | JP | 2006-11 |
D3 Publisher | Commercial |
| K-1 World GP 2006 | KR | 2006-11 |
D3 Publisher | Commercial |
| K.O. King | EU | 2006-11 |
Phoenix Games | Commercial |
| Kamen Rider Kabuto | JP | 2006-11 |
Namco Bandai | Commercial |
| Kamen Rider Kabuto | JP | 2006-11 |
Namco Bandai | Demo |
| Kidou Senshi Gundam Seed Destiny - Rengou vs. Z.A.F.T. II Plus | JP | 2006-12 |
Bandai Namco Games | Commercial |
| Kidou Senshi Gundam Seed Destiny - Rengou vs. Z.A.F.T. II Plus | KR | 2006-12 |
Bandai Namco Games | Commercial |