| Game title | |
|---|---|
| UAZ Racing 4x4 | 07 - 12 - 2007 |
| UBOAT | 01 - 01 - 1970 |
| UEFA Champions League 2006-2007 | 20 - 03 - 2007 |
| UEFA Euro 2008 | 18 - 04 - 2008 |
| UFO: Afterlight | 01 - 05 - 2007 |
| UFO: Aftermath | 15 - 10 - 2003 |
| UFO: Aftershock | 23 - 11 - 2005 |
| UFO: Extraterrestrials | 17 - 02 - 2010 |
| Ultimate Chicken Horse | 04 - 03 - 2016 |
| Ultimate Custom Night | 27 - 06 - 2018 |
| Ultimate Epic Battle Simulator | 12 - 04 - 2017 |
| Ultimate Fishing Simulator | 30 - 08 - 2018 |
| Ultimate General: Civil War | 14 - 07 - 2017 |
| Ultimate General: Gettysburg | 16 - 10 - 2014 |
| ULTIMATE MARVEL VS. CAPCOM 3 | 07 - 03 - 2017 |
| Ultimate Motorcross | 19 - 03 - 2007 |
| Ultimate Spider-Man | 22 - 09 - 2005 |
| Ultratron | 18 - 03 - 2013 |
| Umbrella Corps | 21 - 06 - 2016 |
| Umiro | 29 - 03 - 2018 |
| Unavowed | 08 - 08 - 2018 |
| Unbound: Worlds Apart | 28 - 07 - 2021 |
| Underground Keeper | 15 - 08 - 2016 |
| UnderRail | 18 - 12 - 2015 |
| Undertale | 15 - 09 - 2015 |
| Underworld Ascendant | 15 - 11 - 2018 |
| Underworld Dungeon | 31 - 07 - 2017 |
| Undungeon | 18 - 11 - 2021 |
| Undying | 19 - 10 - 2021 |
| UnEpic | 25 - 07 - 2014 |
| Unexplored | 22 - 02 - 2017 |
| Unforeseen Incidents | 24 - 05 - 2018 |
| Unholy | 01 - 01 - 1970 |
| Unit 4 | 24 - 05 - 2017 |
| Universal Combat | 05 - 02 - 2004 |
| Universe At War: Earth Assault | 10 - 12 - 2007 |
| Universe Sandbox | 29 - 04 - 2011 |
| Universe Sandbox 2 | 24 - 08 - 2015 |
| Unknown Fate | 06 - 09 - 2018 |
| Unmechanical | 08 - 08 - 2012 |
| UNO - Undercover | 16 - 07 - 2008 |
| Unpossible | 03 - 07 - 2015 |
| Unrailed! | 09 - 09 - 2019 |
| Unravel | 09 - 02 - 2016 |
| Unravel Two | 09 - 06 - 2018 |
| Unreal 2: The Awakening | 03 - 02 - 2003 |
| Unreal Anthology | 06 - 11 - 2006 |
| Unreal Gold | 30 - 04 - 1998 |
| Unreal Tournament | 30 - 11 - 1999 |
| Unreal Tournament 2003 | 30 - 09 - 2002 |