| Urban Legends : The Dry Body (2019) | 42,969 | 8 |
| Urban Legends: The Maze (2011) | 26,040 | 78 |
| Urban Mage (2022) | 122 | 4 |
| Urban Myth Dissolution Center (2025) | 1,405,115 | 1,118 |
| Urban Pirate (2016) | 3,725 | 20 |
| Urban Reign (2005) | 13,800,915 | 10,583 |
| Urban Rivals (2006) | 0 | 0 |
| Urban Rivals (2017) | 88,658 | 42 |
| Urban Runner (1996) | 286,655 | 146 |
| Urban Strife (2022) | 769,648 | 385 |
| Urban Strike (1994) | 1,324,222 | 633 |
| Urban Terror (2000) | 1,652,353 | 1,799 |
| Urban Trial Freestyle (2013) | 2,999,150 | 873 |
| Urban Trial Playground (2018) | 442,186 | 297 |
| Urban Trial Tricky (2020) | 686,039 | 220 |
| Urban Upstart (1983) | 158 | 3 |
| Urban War Defense (2017) | 2,891 | 2 |
| Urban Warriors (2024) | 28,512 | 41 |
| Urban Yeti! (2002) | 320,701 | 85 |
| Urbanix (2011) | 126,900 | 11 |
| Urbek City Builder (2022) | 4,872,606 | 1,249 |
| Urbex Night Security (2023) | 237,251 | 54 |
| URBO (2023) | 305,745 | 288 |
| The Urbz: Sims in the City (2004) | 12,610,082 | 2,820 |
| Urchins and Ink (2022) | 72 | 2 |
| URG (2021) | 21,704 | 36 |
| Uridium (1986) | 262,897 | 276 |
| Uridium 2 (1993) | 60,138 | 41 |
| Urlaubs Raser (2000) | 115,858 | 66 |
| URO (2018) | 1,348,299 | 92 |
| URO2 (2019) | 9,481 | 15 |
| Ursid (2025) | 0 | 0 |
| Ursine Science (2023) | 216 | 3 |
| Urthwurm (2002) | 99 | 2 |
| Urtuk: The Desolation (2021) | 1,303,661 | 1,992 |
| Uru: Ages Beyond Myst (2003) | 468,740 | 400 |
| Uru: The Path of the Shell (2004) | 7,710 | 84 |
| Uru: To D'ni (2004) | 18,494 | 29 |
| Ururun Quest: Koiyuuki (2005) | 6,178 | 74 |
| Urusei Yatsura (1987) | 7,757,962 | 1,091 |
| Urusei Yatsura: Dear My Friends (1994) | 78,429 | 80 |
| Urusei Yatsura: Endless Summer (2005) | 7,889 | 9 |
| Urusei Yatsura: Lum's Wedding Bell (1986) | 102,156 | 32 |
| Urusei Yatsura: Stay With You (1990) | 24,940 | 48 |
| Uruz: Return of the Er Kishi (2020) | 499,887 | 51 |
| USAAF Mustang (1990) | 155,875 | 270 |
| Usagi Health Club (2022) | 2,815 | 3 |
| Usagi na Panic (1995) | 6,256 | 10 |
| Usas (1987) | 139,751 | 125 |
| The USB Stick Found in the Grass (2021) | 27,928 | 11 |
| USC: Counterforce (2023) | 392,401 | 258 |
| USD Clicker (2024) | 0 | 0 |
| The Use of Life (2022) | 165,306 | 275 |
| Use Your Words (2017) | 23,104,768 | 1,075 |
| Used Cars Simulator (2025) | 5,509,442 | 1,034 |
| Useless Timmy (2025) | 0 | 0 |
| Ushio to Tora (1993) | 417,656 | 152 |
| UsoNatsu ~The Summer Romance Bloomed From A Lie (2023) | 21,597 | 51 |
| Uspavanka (2023) | 111,823 | 6 |
| USSR CHAN: Hentai Puzzle Game (2021) | 0 | 0 |
| Usual June (2025) | 69,560 | 68 |
| Usurper: Soulbound (2021) | 49,665 | 102 |
| Utacchi (2010) | 15,687 | 11 |
| Utawarerumono Zan (2018) | 1,417,226 | 1,608 |
| Utawarerumono: Mask of Deception (2015) | 2,488,880 | 3,483 |
| Utawarerumono: Mask of Truth (2016) | 4,340,805 | 3,214 |
| Utawarerumono: Prelude to the Fallen (2002) | 542,982 | 1,536 |
| Utawarerumono: ZAN (2025) | 123 | 4 |
| Utility for the Soul (2024) | 0 | 0 |
| The Utility Room (2023) | 195,077 | 87 |
| Utopia (1981) | 55,928,078 | 4,138 |
| Utopia City (2006) | 123,249 | 33 |
| Utopia Must Fall (2024) | 80,110 | 130 |
| Utopia: The Creation of a Nation (1991) | 148,917 | 152 |
| Utsurun Desu.: Kawauso Hawaii e Iku!!! (1992) | 133,228 | 39 |
