| Kaku-San-Sei Million Arthur (2012) | 7,194,947 | 2,532 |
| KAKU: Ancient Seal (2023) | 0 | 0 |
| 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) | 292,829 | 263 |
| Kal Online (2004) | 1,441,257 | 1,079 |
| Kalaban (2016) | 7,651,652 | 522 |
| Kaleido Chaos (2018) | 0 | 0 |
| KALEIDO STELLA (2019) | 170,074 | 37 |
| Kalimba (2014) | 36,993,064 | 2,115 |
| Kalin no Tsurugi (1987) | 87,679 | 63 |
| Kalinur (2022) | 27,763 | 111 |
| KALPA: Cosmic Symphony (2024) | 175,105 | 467 |
| Kalyzmyr (2022) | 226 | 4 |
| Kama Bullet Heritage (2017) | 0 | 0 |
| Kamaeru: A Frog Refuge (2024) | 164,999 | 253 |
| Kamaitachi no Yoru (1994) | 17,679,462 | 1,729 |
| Kamen Rider 555 (2003) | 9,442,119 | 813 |
| Kamen Rider Battle Ganbaride Card Battle Taisen (2010) | 8,867 | 44 |
| Kamen Rider Battle: Ganbaride (2008) | 914,172 | 608 |
| Kamen Rider Blade (2004) | 10,275,346 | 947 |
| Kamen Rider Climax Scramble Zi-O (2018) | 0 | 0 |
| Kamen Rider Dragon Knight (2009) | 1,550,525 | 293 |
| Kamen Rider Kabuto (2006) | 17,696,449 | 1,992 |
| Kamen Rider SD: Shutsugeki!! Rider Machine (1993) | 107,506 | 78 |
| Kamen Rider: Battride War (2013) | 24,698,295 | 1,196 |
| Kamen Rider: Battride War Genesis (2016) | 33,271,423 | 4,794 |
| Kamen Rider: Battride War II (2014) | 25,295,770 | 1,544 |
| Kamen Rider: City Wars (2017) | 6,471,633 | 2,738 |
| Kamen Rider: Climax Fighters (2017) | 20,887,618 | 2,649 |
| Kamen Rider: Climax Heroes (2009) | 8,208,782 | 1,609 |
| Kamen Rider: Climax Heroes Fourze (2011) | 1,630,964 | 714 |
| Kamen Rider: Climax Heroes OOO (2010) | 6,209,152 | 573 |
| Kamen Rider: Climax Heroes W (2009) | 134,562 | 85 |
| Kamen Rider: Climax Scramble (2018) | 3,004,934 | 735 |
| Kamen Rider: Dragon Knight (2009) | 764,233 | 282 |
| Kamen Rider: Memory of Heroez (2020) | 10,118,357 | 3,065 |
| Kamen Rider: SummonRide (2014) | 170,570 | 67 |
| Kamen Rider: Super Climax Heroes (2012) | 26,818,654 | 7,047 |
| Kameo (2005) | 1,832,194 | 599 |
| Kameo: Elements of Power (2005) | 6,872,572 | 2,752 |
| KAMI 2 (2017) | 5,931,173 | 3,452 |
| Kami-sama's Personal Servant (2024) | 0 | 0 |
| Kami: Parade of Senses (2026) | 0 | 0 |
| KAMiBAKO - Mythology of Cube (2025) | 18,642 | 82 |
| KamiCrazy (2008) | 0 | 0 |
| Kamifuda (2022) | 3,833 | 61 |
| Kamigami no Asobi (2013) | 0 | 0 |
| 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) | 0 | 0 |
| Kamikaze Veggies (2021) | 224,210 | 225 |
| Kamiko (2017) | 2,135,264 | 880 |
| Kamile VR (2019) | 711 | 3 |
| KAMITSUBAKI CITY ENSEMBLE (2024) | 0 | 0 |
| KAMITSUBAKI CITY REGENERATE (2025) | 15,438 | 11 |
| Kamiwaza (2006) | 341,879 | 647 |
| Kamiwaza: Way of the Thief (2022) | 0 | 0 |
| Kampfgruppe (1985) | 0 | 0 |
| Kamyla and the Scarlet Mage (2024) | 0 | 0 |
| Kan Colle Kai (2016) | 173,538 | 207 |
| Kana Quest (2020) | 28,162 | 44 |
| Kanamono (2021) | 373 | 7 |
| Kanarasu To: Center Heroes (2014) | 0 | 0 |
| Kandagawa Jet Girls (2020) | 1,111,512 | 2,404 |
| Kandria (2023) | 58,669 | 131 |
| Kandume Monsters Parfait (1999) | 0 | 0 |
| Kane & Lynch 2: Dog Days (2010) | 15,128,363 | 6,663 |
| Kane and Lynch: Dead Men (2007) | 5,208,436 | 2,148 |
| Kang Fu (1996) | 226,446 | 21 |
| Kangaroo (1982) | 82,548,712 | 1,313 |
