| Uppers (2016) | 7,582,695 | 815 |
| Uprising 2: Lead and Destroy (1998) | 203,312 | 43 |
| Uprising X (1998) | 28,207 | 39 |
| Uprising: Join or Die (1997) | 78,484 | 54 |
| UpRooted (2025) | 309,243 | 17 |
| Upshift Strikeracer (2007) | 99,671 | 24 |
| Upstream Ante (2024) | 0 | 0 |
| Uptasia (2014) | 30,007 | 38 |
| The Upturned (2022) | 1,704,897 | 725 |
| Upwards, Lonely Robot (2016) | 2,850 | 18 |
| UpWorld - Multiplayer (2024) | 0 | 0 |
| Ur Game: The Game of Ancient Gods (2020) | 1,754 | 10 |
| The Ur-Quan Masters (2002) | 633,557 | 420 |
| Uragun (2021) | 252,297 | 338 |
| Uranus (2020) | 5,488,683 | 519 |
| Urayama (2024) | 412,017 | 135 |
| Urban Assault (1998) | 1,449,302 | 657 |
| Urban Brawl (2008) | 46,302 | 29 |
| Urban Cards (2021) | 227,407 | 149 |
| Urban Champion (1984) | 2,024,826 | 1,064 |
| Urban Chaos (1999) | 2,407,651 | 2,461 |
| Urban Chaos: Riot Response (2006) | 5,455,165 | 1,390 |
| Urban Crime (2012) | 622,944 | 28 |
| Urban Dead (2005) | 18,078 | 17 |
| Urban Empire (2017) | 9,190,452 | 1,625 |
| Urban Entrepreneur (2024) | 361 | 7 |
| Urban Extreme (2006) | 42,962 | 60 |
| Urban Extreme: Street Rage (2008) | 35,954 | 11 |
| Urban Flow (2020) | 1,241,856 | 284 |
| Urban Freestyle Soccer (2003) | 860,735 | 175 |
| Urban Jungle (2025) | 132,501 | 168 |
| Urban Legend in Limbo (2015) | 8,598,353 | 1,925 |
| Urban Legends : The Dry Body (2019) | 42,969 | 8 |
| Urban Legends: The Maze (2011) | 26,039 | 78 |
| Urban Mage (2022) | 122 | 4 |
| Urban Myth Dissolution Center (2025) | 1,339,321 | 1,074 |
| Urban Pirate (2016) | 3,725 | 20 |
| Urban Reign (2005) | 13,740,878 | 10,488 |
| Urban Rivals (2006) | 1,602,262 | 2,766 |
| Urban Rivals (2017) | 88,658 | 42 |
| Urban Runner (1996) | 286,655 | 146 |
| Urban Strife (2022) | 769,060 | 384 |
| Urban Strike (1994) | 1,324,341 | 634 |
| Urban Terror (2000) | 1,636,710 | 1,799 |
| Urban Trial Freestyle (2013) | 2,998,512 | 871 |
| Urban Trial Playground (2018) | 442,172 | 297 |
| Urban Trial Tricky (2020) | 686,022 | 220 |
| Urban Upstart (1983) | 158 | 3 |
| Urban War Defense (2017) | 2,891 | 2 |
| Urban Warriors (2024) | 28,400 | 41 |
| Urban Yeti! (2002) | 320,516 | 84 |
| Urbanix (2011) | 126,900 | 11 |
| Urbek City Builder (2022) | 4,856,889 | 1,242 |
| Urbex Night Security (2023) | 237,251 | 54 |
| URBO (2023) | 305,739 | 288 |
