| Name | Size | DLs |
|---|
| K-1 Pocket Grand Prix (Japan) | 1.40 mb | 1127 |
| K-1 Pocket Grand Prix 2 (Japan) | 2.59 mb | 1175 |
| Kaeru B Back (Japan) | 5.29 mb | 1353 |
| Kaiketsu Zorori to Mahou no Yuuenchi - Ohimesama o Sukue! (Japan) | 1.17 mb | 906 |
| Kaisertal - Fight the Necronis War (Europe) (Demo) | 1.89 mb | 756 |
| Kamaitachi no Yoru Advance (Japan) | 10.08 mb | 1351 |
| Kami no Kijutsu - Illusion of the Evil Eyes (Japan) | 3.77 mb | 1147 |
| Kao the Kangaroo | 1.35 mb | 1351 |
| Kappa no Kai-kata - Kaatan Daibouken! (Japan) | 3.16 mb | 1074 |
| Karnaaj Rally (USA, Europe) | 3.77 mb | 1307 |
| Kawa no Nushi Tsuri 3 & 4 (Japan) | 980.94 kb | 1144 |
| Kawa no Nushi Tsuri 5 - Fushigi no Mori kara (Japan) | 2.43 mb | 1316 |
| Kawaii Pet Game Gallery (Japan) | 2.62 mb | 973 |
| Kawaii Pet Game Gallery 2 (Japan) | 2.81 mb | 978 |
| Kawaii Pet Shop Monogatari 3 (Japan) | 1.21 mb | 874 |
| Keitai Denjuu Telefang 2 - Power (Japan) | 4.88 mb | 1235 |
| Keitai Denjuu Telefang 2 - Speed (Japan) | 4.89 mb | 1135 |
| Kelly Slaters Pro Surfer (USA, Europe) | 5.79 mb | 1360 |
| Keroro Gunsou - Taiketsu! Gekisou Keronprix Daisakusen de Arimasu!! (Japan) | 1.30 mb | 1102 |
| Kessaku Sen! - Ganbare Goemon 1, 2 - Yuki Hime to Magginesu (Japan) | 4.02 mb | 1366 |
| Kid Paddle (Europe) (Fr,Nl) | 2.74 mb | 940 |
| Kidou Gekidan Haro Ichiza - Haro no Puyo Puyo (Japan) | 3.30 mb | 1288 |
| Kidou Senshi Gundam Seed - Tomo to Kimi to Koko de. (Japan) | 3.65 mb | 1230 |
| Kidou Senshi Gundam Seed Destiny (Japan) | 6.30 mb | 1544 |
| Kidou Tenshi Angelic Layer - Misaki to Yume no Tenshi-tachi (Japan) | 3.34 mb | 1104 |
| Kids Cards (USA) | 2.29 mb | 935 |
| Kien (USA) (Proto) | 1.94 mb | 875 |
| Kill Switch | 2.00 mb | 1390 |
| Killer 3D Pool | 755.09 kb | 1012 |
| Kim Possible - Revenge of Monkey Fist | 2.90 mb | 1998 |
| Kim Possible (Europe) (En,Fr,De,Es) | 2.81 mb | 1260 |
| Kim Possible 2 - Drakkens Demise | 3.93 mb | 2091 |
| Kim Possible 3 - Team Possible (USA) (En,Fr) | 3.05 mb | 2028 |
| King Kong - The Official Game of the Movie (Europe) (En,Sv,No,Da,Fi) | 3.13 mb | 1421 |
| King of Fighters EX 2, The - Howling Blood | 5.23 mb | 4144 |
| King of Fighters EX, The - NeoBlood | 3.63 mb | 2582 |
| King of Fighters EX, The - NeoBlood (Japan) (Beta) | 1.91 mb | 897 |
| King of Fighters EX, The - NeoBlood (USA) | 3.50 mb | 1825 |
| Kingdom Hearts - Chain of Memories | 21.09 mb | 5622 |
| Kinniku Banzuke - Kimero! Kiseki no Kanzen Seiha (Japan) | 2.18 mb | 1041 |
| Kinniku Banzuke - Kongou-kun no Daibouken! (Japan) | 3.90 mb | 1142 |
| Kirby - Nightmare in Dream Land | 5.04 mb | 9437 |
| Kirby - Nightmare in Dream Land (USA) (Wii U Virtual Console) | 3.77 mb | 2128 |
| Kirby & The Amazing Mirror | 5.39 mb | 9484 |
| Kirby & The Amazing Mirror (USA) (Wii U Virtual Console) | 4.68 mb | 2223 |
| Kisekko Gurumii - Chesty to Nuigurumi-tachi no Mahou no Bouken (Japan) | 2.46 mb | 1244 |
| Kiss x Kiss - Seirei Gakuen (Japan) | 2.17 mb | 1057 |
| Kiwame Mahjong Deluxe - Mirai Senshi 21 (Japan) | 3.11 mb | 1129 |
| Klonoa - Empire of Dreams | 2.39 mb | 3488 |
| Klonoa 2 - Dream Champ Tournament | 2.90 mb | 3343 |
| Klonoa 2 - Dream Champ Tournament (USA) (Wii U Virtual Console) | 2.73 mb | 1172 |
| Klonoa Heroes - Densetsu no Star Medal (Japan) | 6.22 mb | 2125 |
| Knights Kingdom | 2.38 mb | 1285 |
| Koala Brothers - Outback Adventures | 3.63 mb | 1161 |
| Koinu to Issho - Aijou Monogatari (Japan) | 4.89 mb | 1068 |
| Koinu to Issho 2 (Japan) | 4.06 mb | 981 |
| Koinu-chan no Hajimete no Osanpo - Koinu no Kokoro Ikusei Game (Japan) | 1.51 mb | 909 |
| Konami Collectors Series - Arcade Advanced | 1.49 mb | 2068 |
| Konami Krazy Racers | 1.62 mb | 2232 |
| Konami Krazy Racers (USA) (Beta) | 1.48 mb | 756 |
| Konchuu Monster - Battle Master (Japan) | 4.09 mb | 1044 |
| Konchuu Monster - Battle Stadium (Japan) | 4.15 mb | 1062 |
| Konchuu no Mori no Daibouken - Fushigi na Sekai no Juunin-tachi (Japan) | 2.51 mb | 982 |
| Kong - King of Atlantis | 1.09 mb | 1156 |
| Kong - The 8th Wonder of the World | 3.15 mb | 1492 |
| Kong - The Animated Series | 1.75 mb | 1249 |
| Konjiki no Gashbell!! - Makai no Bookmark (Japan) | 5.21 mb | 1384 |
| Konjiki no Gashbell!! - Unare! Yuujou no Zakeru 2 (Japan) | 5.77 mb | 1408 |
| Konjiki no Gashbell!! The Card Battle for GBA (Japan) | 9.78 mb | 1280 |
| Konjiki no Gashbell!! Yuujou no Zakeru - Dream Tag Tournament (Japan) | 5.97 mb | 1444 |
| Koro Koro Puzzle - Happy Panechu! (Japan) | 2.08 mb | 1022 |
| Kotoba no Puzzle - Mojipittan Advance (Japan) | 3.16 mb | 1273 |
| Kouchuu Ouja Mushiking - Greatest Champion e no Michi (Japan) | 13.49 mb | 2163 |
| Koukou Juken Advance Series Eigo Koubun Hen - 26 Units Shuuroku (Japan) | 1.54 mb | 927 |
| Koukou Juken Advance Series Eijukugo Hen - 650 Phrases Shuuroku (Japan) | 1.53 mb | 911 |
| Koukou Juken Advance Series Eitango Hen - 2000 Words Shuuroku (Japan) | 2.44 mb | 938 |
| Kunio-kun Nekketsu Collection 1 (Japan) | 689.26 kb | 1372 |
| Kunio-kun Nekketsu Collection 2 (Japan) | 706.73 kb | 1148 |
| Kunio-kun Nekketsu Collection 3 (Japan) | 717.80 kb | 1171 |
| Kurohige no Golf Shiyouyo (Japan) | 2.45 mb | 1071 |
| Kurohige no Kurutto Jintori (Japan) | 1.61 mb | 957 |
| Kurukuru Kururin | 1.69 mb | 2389 |
| Kururin Paradise (Japan) | 3.04 mb | 1687 |
