| Kaku-San-Sei Million Arthur (2012) | 7,194,947 | 2,532 |
| KAKU: Ancient Seal (2023) | 746,700 | 1,456 |
| KAKUDO (2022) | 1,119 | 12 |
| Kakurasu World (2020) | 474 | 3 |
| Kakurenbo Battle Monster Tactics (2000) | 80,843 | 87 |
| Kakuro Magic (2020) | 148 | 4 |
| Kakuto Chojin: Back Alley Brutal (2002) | 292,526 | 263 |
| Kal Online (2004) | 1,441,233 | 1,079 |
| Kalaban (2016) | 7,606,116 | 521 |
| Kaleido Chaos (2018) | 0 | 0 |
| KALEIDO STELLA (2019) | 170,074 | 37 |
| Kalimba (2014) | 36,949,340 | 2,089 |
| Kalin no Tsurugi (1987) | 87,679 | 63 |
| Kalinur (2022) | 27,678 | 110 |
| KALPA: Cosmic Symphony (2024) | 173,687 | 439 |
| Kalyzmyr (2022) | 226 | 4 |
| Kama Bullet Heritage (2017) | 0 | 0 |
| Kamaeru: A Frog Refuge (2024) | 164,943 | 251 |
| Kamaitachi no Yoru (1994) | 17,678,585 | 1,718 |
| Kamen Rider 555 (2003) | 9,440,762 | 811 |
| Kamen Rider Battle Ganbaride Card Battle Taisen (2010) | 8,867 | 44 |
| Kamen Rider Battle: Ganbaride (2008) | 914,161 | 608 |
| Kamen Rider Blade (2004) | 10,253,717 | 916 |
| Kamen Rider Climax Scramble Zi-O (2018) | 6,187,029 | 874 |
| Kamen Rider Dragon Knight (2009) | 1,550,454 | 293 |
| Kamen Rider Kabuto (2006) | 17,657,802 | 1,978 |
| Kamen Rider SD: Shutsugeki!! Rider Machine (1993) | 107,502 | 78 |
| Kamen Rider: Battride War (2013) | 24,697,927 | 1,196 |
| Kamen Rider: Battride War Genesis (2016) | 33,266,579 | 4,776 |
| Kamen Rider: Battride War II (2014) | 25,290,713 | 1,541 |
| Kamen Rider: City Wars (2017) | 6,471,633 | 2,738 |
| Kamen Rider: Climax Fighters (2017) | 20,885,191 | 2,641 |
| Kamen Rider: Climax Heroes (2009) | 8,192,158 | 1,607 |
| Kamen Rider: Climax Heroes Fourze (2011) | 1,629,877 | 713 |
| Kamen Rider: Climax Heroes OOO (2010) | 6,207,677 | 568 |
| Kamen Rider: Climax Heroes W (2009) | 133,251 | 83 |
| Kamen Rider: Climax Scramble (2018) | 3,000,647 | 732 |
| Kamen Rider: Dragon Knight (2009) | 762,928 | 279 |
| Kamen Rider: Memory of Heroez (2020) | 10,114,698 | 3,059 |
| Kamen Rider: SummonRide (2014) | 170,570 | 67 |
| Kamen Rider: Super Climax Heroes (2012) | 26,793,290 | 6,888 |
| Kameo (2005) | 1,832,139 | 598 |
| Kameo: Elements of Power (2005) | 6,868,547 | 2,717 |
| KAMI 2 (2017) | 5,931,163 | 3,452 |
| Kami-sama's Personal Servant (2024) | 0 | 0 |
| KAMiBAKO - Mythology of Cube (2025) | 18,586 | 81 |
| KamiCrazy (2008) | 0 | 0 |
| Kamifuda (2022) | 3,833 | 61 |
| Kamigami no Asobi (2013) | 122,853 | 150 |
| Kamigami: Clash of the Gods (2022) | 9,456 | 38 |
| Kamikaze Cube (2017) | 0 | 0 |
| Kamikaze Cube 2 (2018) | 15,004 | 3 |
| Kamikaze Empire (2024) | 164 | 2 |
| Kamikaze Lassplanes (2024) | 39,619 | 52 |
| Kamikaze Veggies (2021) | 224,200 | 225 |
| Kamiko (2017) | 2,135,235 | 880 |
| Kamile VR (2019) | 711 | 3 |
| KAMITSUBAKI CITY ENSEMBLE (2024) | 29,606 | 32 |
| KAMITSUBAKI CITY REGENERATE (2025) | 15,398 | 11 |
| Kamiwaza (2006) | 341,871 | 647 |
| Kamiwaza: Way of the Thief (2022) | 556,104 | 271 |
| Kampfgruppe (1985) | 32,022 | 21 |
| Kamyla and the Scarlet Mage (2024) | 0 | 0 |
| Kan Colle Kai (2016) | 172,366 | 207 |
| Kana Quest (2020) | 28,162 | 44 |
| Kanamono (2021) | 373 | 7 |
| Kanarasu To: Center Heroes (2014) | 0 | 0 |
| Kandagawa Jet Girls (2020) | 1,111,305 | 2,393 |
| Kandria (2023) | 58,241 | 131 |
| Kandume Monsters Parfait (1999) | 0 | 0 |
| Kane & Lynch 2: Dog Days (2010) | 15,092,484 | 6,595 |
| Kane and Lynch: Dead Men (2007) | 5,183,548 | 2,132 |
| Kang Fu (1996) | 226,446 | 21 |
| Kangaroo (1982) | 82,482,692 | 1,306 |
| Kanji Combi: Yakuzumo (2024) | 0 | 0 |
