| Keepers of Astraela (2024) | 1,028 | 14 |
| Keepers of the Keep (2026) | 161 | 1 |
| Keepers Of The Lost Arts (2023) | 795 | 2 |
| Keepers: Fractured Realities (2026) | 0 | 0 |
| The Keepers: Lost Progeny (2011) | 81,407 | 37 |
| The Keepers: The Order's Last Secret (2013) | 40,034 | 58 |
| Keeplanet (2018) | 0 | 0 |
| Keepsake (2006) | 3,090,169 | 748 |
| Keepsake County (2024) | 37,745 | 23 |
| KeepUp Survival (2021) | 1,617,035 | 819 |
| Keiba Eight Special 2 (1994) | 778 | 32 |
| Keio Flying Squadron (1993) | 1,105,261 | 490 |
| Keith Courage in Alpha Zones (1988) | 566,863 | 329 |
| Kejora (2025) | 254,459 | 55 |
| KELDER (2025) | 3,608 | 21 |
| Kells (2021) | 3,951,881 | 301 |
| Kelly Club: Clubhouse Fun (2001) | 12,757 | 15 |
| Kelly Slater's Pro Surfer (2002) | 718,463 | 287 |
| Kelp Keeper (2025) | 24 | 1 |
| Kelvin and the Infamous Machine (2016) | 2,147,685 | 493 |
| Kemono Friends 3 (2019) | 4,175,806 | 1,608 |
| Kemono Friends Pavilion (2018) | 69,789 | 25 |
| Kemono Friends Picross (2018) | 22,549 | 111 |
| Kemono Heroes (2020) | 135,639 | 237 |
| Kemono Teatime (2024) | 26,824 | 71 |
| KEMONOMICHI (2024) | 48,370 | 5 |
| Kemopop! (2024) | 0 | 0 |
| Kemotaku (2024) | 195 | 3 |
| Ken Follett's The Pillars of the Earth (2017) | 417,086 | 1,274 |
| Ken ga Kimi (2013) | 11,465 | 15 |
| Ken ga Kimi for V (2015) | 2,171 | 30 |
| Ken Griffey Jr. Presents Major League Baseball (1994) | 582,762 | 610 |
| Ken Griffey Jr.'s Slugfest (1999) | 163,788 | 156 |
| Ken Griffey Jr.'s Winning Run (1996) | 456,112 | 179 |
| Ken to Mahou to Gakuen Mono. 3 (2010) | 62,822 | 66 |
| Ken's Labyrinth (1993) | 247,893 | 314 |
| Ken-chan to Chie Asobi (1997) | 0 | 0 |
| Kena: Bridge of Spirits (2021) | 153,530,706 | 133,743 |
| Kendall and Kylie (2016) | 2,592,780 | 43 |
| Kendo Rage (1993) | 1,593,840 | 371 |
| Keng's Little Universe (2022) | 191 | 3 |
| Kengo (2001) | 65,735 | 58 |
| Kengo 3 (2004) | 696,277 | 205 |
| Kengo: Legend of the 9 (2007) | 277,438 | 71 |
| Kengo: Master of Bushido (2000) | 335,720 | 169 |
| Kenix and the Cat King (2025) | 0 | 0 |
| Kenka Bancho: Badass Rumble (2008) | 960,797 | 228 |
| Kenkou Ouen Recipe 1000: DS Kondate Zenshuu (2006) | 2,666 | 6 |
| Kennedy Approach (1985) | 8,319 | 23 |
| Kenny 7 (2023) | 0 | 0 |
| Kenny Dalglish Soccer Match (1989) | 15,233 | 20 |
| Kenny's Adventure: In search of family treasures (2006) | 26,680 | 60 |
| Kensei: Sacred Fist (1998) | 950,791 | 1,039 |
| Kenseiden (1988) | 724,466 | 556 |
| Kenshi (2018) | 377,808,805 | 60,698 |
| Kenshin Dragon Quest: Yomigaerishi Densetsu no Ken (2003) | 111,818 | 30 |
| Kentilla (1984) | 4,944 | 11 |
| Kentucky Route Zero (2013) | 6,113,802 | 3,193 |
| Kentum (2025) | 833 | 8 |
| Kepler-2100 (2024) | 1,307 | 11 |
| Keplerian Space Discovery (2026) | 0 | 0 |
| Keplerth (2022) | 3,326,931 | 1,926 |
| Kerbal Space Program (2015) | 1,673,349,321 | 140,847 |
| Kerbal Space Program 2 (2023) | 102,661,503 | 10,088 |
| KERIBATO! (2024) | 21,079 | 6 |
| Keriotosse! (1998) | 95,071 | 28 |
| Kernel Quest (2023) | 0 | 0 |
| Kernmantle (2020) | 1,473 | 8 |
| Kero Blaster (2014) | 1,759,788 | 1,756 |
| Kero Kero Cowboy (2025) | 0 | 0 |
| Kero Kero Keroppi no Daibouken (1991) | 63,379 | 31 |
| Kero Kero Keroppi no Daibouken 2 (1993) | 118,201 | 107 |
| Kero Quest 64 (2026) | 25,836 | 3 |
| Keroro Gunso: Meromero Battle Royale (2004) | 335,827 | 66 |
| Keroro Gunso: Meromero Battle Royale Z (2005) | 93,739 | 59 |
