| Kabu Trader Shun Game Details | Screens | Capcom | | |
| Kabushiki Baibai Trainer: Kabutore! Game Details | Screens | Konami | | |
| Kaijuu Busters Game Details | Screens | Namco Bandai | | |
| Kaite Shabette Hajimeyou! Monster Farm DS Game Details | Screens | Tecmo | | |
| Kaitou Rousseau Game Details | Screens | Namco | | |
| Kenshuui Tendo Dokuta Game Details | Screens | Spike | | |
| Keroro RPG Game Details | Screens | Namco Bandai | | |
| Ketsui Death Label Game Details | Screens | Arika | | |
| Kingdom Hearts 358/2 Days Game Details | Review | Screens | Square Enix | 7/10 | |
| Kingdom Hearts Re:coded Game Details | Review | Screens | Square Enix | 9/10 | |
| Kira Kira Pop Princess Game Details | Review | Screens | 505 | 5/10 | |
| Kirarin * Revolution: Tsukutte Misechao! Kime * Kira Stage Game Details | Screens | Konami | | |
| Kirby Mass Attack Game Details | Review | Preview | Screens | Nintendo | 8/10 | |
| Kirby Super Star Ultra Game Details | Review | Screens | Nintendo | 9/10 | |
| Kirby: Mouse Attack Game Details | Review | Screens | Nintendo | 8/10 | |
| Kirby: Power Paintbrush Game Details | Review | Screens | Nintendo | 9/10 | |
| Knights in the Nightmare Game Details | Screens | Atlus | | |
| Konami Classics Series: Arcade Hits Game Details | Screens | Konami | | |
| KORG DS-10 Synthesizer Game Details | Screens | AQ | | |
| KORG DS-10 Synthesizer Plus Game Details | Screens | AQ | | |
| Kouchuu Ouja: Mushi King Super Collection Game Details | Screens | SEGA | | |
| Kousoku Card Battle: Card Hero Game Details | Preview | Screens | Nintendo | | |
| Kurikin: Nano Island Story Game Details | Screens | Nintendo | | |