| Umineko no Naku Koro ni Chiru Episode 8: Twilight of the golden witch (2010) | 1,101,763 | 269 |
| Umineko no Naku Koro ni Episode 2 Turn of the Golden Witch (2007) | 367,297 | 389 |
| Umineko no Naku Koro ni Episode 3 Banquet of the Golden Witch (2008) | 400,567 | 383 |
| Umineko no Naku Koro ni Episode 4 Alliance of the Golden Witch (2008) | 383,369 | 392 |
| Umineko no Naku Koro ni Tsubasa (2010) | 43,228 | 48 |
| Umineko no Naku Koro ni: Majo to Suiri no Rondo (2010) | 277,916 | 186 |
| Umineko When They Cry - Answer Arcs (2017) | 437,935 | 950 |
| Umineko When They Cry - Question Arcs (2016) | 479,023 | 904 |
| Umineko: Golden Fantasia (2010) | 2,817,499 | 2,030 |
| Umineko: When They Cry (2007) | 5,911,826 | 4,812 |
| Umineko: When They Cry -- Breakdown -- Episode 6: Dawn of the Golden Witch (2009) | 1,150,669 | 291 |
| Umiro (2018) | 0 | 0 |
| Umisho (2007) | 11,315 | 13 |
| Umm Oyoun - ام عيون (2025) | 345 | 4 |
| Umpire Simulator (2018) | 359 | 1 |
| UMS II: Nations at War (1990) | 1,068 | 6 |
| Umurangi Generation (2020) | 1,040,343 | 636 |
| Un Juego de Huevos (2010) | 26,083 | 8 |
| Un pas fragile (2019) | 253,927 | 50 |
| The Un-BEATable Game (2023) | 7,067,780 | 32 |
| Unalive (2017) | 214,985 | 94 |
| Unarmed Area (2021) | 0 | 0 |
| Unavailed (2023) | 4,938 | 17 |
| Unavowed (2018) | 1,066,333 | 1,862 |
| Unaware (2023) | 850,910 | 128 |
| Unaware in The City (2024) | 1,350 | 2 |
| Unbeatable (2021) | 38,238,786 | 2,576 |
| Unblock Me (2009) | 103,642 | 322 |
| Unblock Me Car (2021) | 1,695 | 451 |
| Unblocking (2022) | 66,495 | 26 |
| Unbound Drift (2026) | 0 | 0 |
| Unbound Saga (2009) | 195,179 | 144 |
| Unbound Souls (2025) | 0 | 0 |
| Unbound: Worlds Apart (2021) | 1,437,323 | 2,247 |
| Unbox (2016) | 40,515,142 | 1,662 |
| Unbox: Newbie's Adventure (2016) | 2,348,140 | 548 |
| The Unbreakable Gumball (2022) | 38,112 | 6 |
| Unbuild (2021) | 2,307 | 13 |
| Uncanny Tales: 1992 (2025) | 1,913 | 11 |
| Uncanny Valley (2015) | 4,354,472 | 711 |
| Uncanny Valley (2017) | 8,708,195 | 318 |
| The Uncanny X-Men (1989) | 14,670,612 | 3,150 |
| The Uncertain: Last Quiet Day (2016) | 1,049,798 | 1,304 |
| The Uncertain: Light At The End (2020) | 1,187,405 | 1,760 |
| Unchained Blades (2011) | 674,698 | 231 |
| Uncharted 2: Among Thieves (2009) | 334,738,000 | 167,147 |
| Uncharted 3: Drake's Deception (2011) | 552,993,793 | 174,399 |
| Uncharted 4: A Thief's End (2016) | 2,269,852,887 | 699,552 |
| Uncharted Lands: Beginning (2023) | 0 | 0 |
| Uncharted Ocean (2019) | 52,954 | 99 |
| Uncharted Space - project 3062 (2022) | 0 | 0 |
| Uncharted Tides: Port Royal (2019) | 488,049 | 345 |
| Uncharted Waters (1990) | 895,008 | 448 |
| Uncharted Waters (1991) | 320,826 | 224 |
| Uncharted Waters 2: New Horizons (1993) | 188,429 | 136 |
| Uncharted Waters II: New Horizons (1993) | 3,946,792 | 1,063 |
| Uncharted Waters Online (2004) | 4,015,673 | 3,078 |
| Uncharted Waters Online (2010) | 1,362,637 | 127 |
| Uncharted Waters Origin (2023) | 595,338 | 837 |
| Uncharted Waters VI (2019) | 262,683 | 111 |
| Uncharted Waters: New Horizons (1994) | 917,289 | 647 |
| Uncharted: Drake's Fortune (2007) | 209,197,749 | 124,495 |
| Uncharted: Fight for Fortune (2012) | 365,769 | 108 |
| Uncharted: Fortune Hunter (2016) | 1,263,911 | 564 |
| Uncharted: Golden Abyss (2011) | 35,901,513 | 4,128 |
| Uncharted: The Lost Legacy (2017) | 358,766,023 | 135,553 |
| Unclaimed World (2016) | 123,414 | 85 |
| Uncle Chop's Rocket Shop (2024) | 1,222,476 | 760 |
| Uncle Henry's Playhouse (1996) | 954 | 3 |
| Uncle Kenny The Game (2023) | 222 | 4 |
| Uncle Nook's Survivors (2025) | 73 | 4 |
| Uncle Unco (2024) | 1 | 1 |
| Uncle's Basement (2024) | 494,189 | 77 |
| The Unclogging: An Unsanitary Saga (2017) | 0 | 0 |
| Uncolored Bob II (2021) | 121 | 4 |
