| Zenteni (2023) | 0 | 0 |
| Zentia (2010) | 298,702 | 30 |
| Zenza (2016) | 4,118 | 3 |
| ZEPHON (2024) | 279,721 | 220 |
| Zephyr (1994) | 1,537,241 | 364 |
| Zephyrus Prelude (2021) | 77,247 | 62 |
| Zeppelin (1983) | 16,625 | 20 |
| Zeppelin (1994) | 640,695 | 250 |
| Zeran's Folly (2017) | 6,076 | 33 |
| Zerko (2024) | 180,186 | 17 |
| Zero Below The Sun (2024) | 1,738 | 21 |
| Zero Caliber VR (2018) | 91,740,094 | 2,087 |
| Zero Comico (2001) | 1,236,772 | 39 |
| Zero Critical (1998) | 555 | 4 |
| Zero Days Since (2024) | 0 | 0 |
| Zero Divide (1995) | 243,898 | 224 |
| Zero Divide 2: The Secret Wish (1997) | 201,549 | 138 |
| Zero Division (2023) | 503,830 | 67 |
| Zero Escape: Virtue's Last Reward (2012) | 20,187,387 | 14,082 |
| Zero Escape: Zero Time Dilemma (2016) | 6,715,789 | 5,176 |
| Zero Factory (2024) | 75,292 | 28 |
| Zero Gear (2010) | 124,551 | 157 |
| Zero Gravity Pool (2018) | 124 | 2 |
| Zero Gunner (1997) | 31,714 | 162 |
| Zero Gunner 2 (2001) | 446,721 | 378 |
| Zero Gunner 2 (2018) | 108,008 | 67 |
| Zero Hour (2020) | 24,032,186 | 5,996 |
| Zero Orders Tactics (2024) | 33,193 | 62 |
| ZERO PROTOCOL (2024) | 22,252 | 139 |
| ZERO Sievert (2022) | 13,887,048 | 4,370 |
| Zero Strain (2019) | 204,701 | 348 |
| Zero Team (1993) | 1,298,734 | 743 |
| Zero the Kamikaze Squirrel (1994) | 1,069,370 | 618 |
| Zero Time Dilemma (2016) | 3,306,890 | 3,103 |
| Zero Tolerance (1994) | 2,455,878 | 1,553 |
| Zero Wing (1989) | 2,862,659 | 1,675 |
| Zero's Fantastic Anecdote (2024) | 9 | 2 |
| Zero-5 (1994) | 2,745,966 | 254 |
| Zero-K (2010) | 226,766 | 616 |
| Zero-K (2018) | 637,197 | 1,769 |
| Zero-Sum Heart (2024) | 2,213 | 5 |
| Zero4 Champ (1991) | 25,568 | 44 |
| Zero4 Champ DooZy-J (1997) | 10,766 | 29 |
| Zero4 Champ DooZy-J Type-R (1997) | 22,887 | 44 |
| Zero4 Champ RR (1994) | 493,916 | 371 |
| Zero4 Champ RR-Z (1995) | 107,421 | 165 |
| Zero4 Champ Series: Drift Champ (2002) | 254,453 | 90 |
| Zerograve (2022) | 4,318 | 18 |
| Zeroptian Invasion (2018) | 27,593 | 105 |
| ZeroRanger (2018) | 760,405 | 789 |
| Zeroth Zone (1999) | 594 | 5 |
| Zerowood (2020) | 0 | 0 |
| ZeroZone (1998) | 131,368 | 34 |
| Zerra's Adventure (2025) | 0 | 0 |
| Zet Zillions (2024) | 359,105 | 163 |
| Zeta Leporis RTS (2024) | 171 | 4 |
| Zeta Wolf Chronicles (2025) | 4,491 | 10 |
| Zetria (2022) | 127,300 | 16 |
| Zetsubou Prison (2020) | 40,799 | 39 |
| Zettai Karen Children DS: Dai-4 no Children (2008) | 2,164 | 11 |
| Zettai Zetsumei Toshi 3: Kowareyuku Machi to Kanojo no Uta (2009) | 1,582,016 | 604 |
| Zeus Begins (2019) | 5,250 | 43 |
| Zeus II: Carnage Heart (1999) | 11,296 | 26 |
| Zeus' Battlegrounds (2018) | 3,196,148 | 229 |
| Zeus: Carnage Heart Second (1998) | 6,820 | 19 |
| Zeus: Master of Olympus (2000) | 4,074,604 | 3,235 |
| Zeuxis : procedural texture generator (2015) | 0 | 0 |
| Zgirls-Puzzle & Quest (2018) | 2,765 | 1 |
| Zhadnost: The People's Party (1995) | 9,913 | 27 |
| Zhed (2017) | 17,789 | 86 |
| Zhengtu (2006) | 73,589 | 60 |
| Zheros (2016) | 144,520,954 | 634 |
| Zhigu Military Exorcist (2025) | 89 | 1 |
| Zhmyshenko Valery Albertovich (2018) | 565 | 3 |
| ZHP: Unlosing Ranger vs. Darkdeath Evilman (2022) | 29,597 | 44 |
