| Member | Join Date | Threads Started | Posts Made | Blog Posts |
|---|
 | UnrealPHD | November 15, 2014 | 1 | 1 | 0 |
| UnSlot | October 29, 2014 | 1 | 1 | 0 |
 | unterabteilung | October 8, 2020 | 0 | 0 | 0 |
 | unwwe | June 5, 2017 | 0 | 1 | 0 |
 | uofmken | December 1, 2011 | 1 | 1 | 0 |
 | UP84 | May 22, 2012 | 3 | 374 | 0 |
| UpandUp | November 12, 2018 | 0 | 0 | 0 |
| upgrade020 | August 21, 2019 | 0 | 0 | 0 |
| UpInYaDeep | May 25, 2021 | 0 | 0 | 0 |
| Upliftedgamer88 | December 18, 2022 | 0 | 0 | 0 |
| Uposyleas | December 13, 2018 | 0 | 0 | 0 |
 | upside | March 14, 2010 | 0 | 0 | 0 |
 | upsman50 | July 21, 2014 | 0 | 0 | 0 |
 | uptopz | August 27, 2021 | 0 | 0 | 0 |
 | upupsuper6 | November 16, 2020 | 0 | 0 | 0 |
| ur0pl | March 18, 2013 | 1 | 2 | 0 |
 | URALYACUZ | December 27, 2014 | 0 | 0 | 0 |
| Uranium235 | May 22, 2014 | 6 | 70 | 0 |
| urbanmk | May 5, 2011 | 1 | 2 | 0 |
| urbflorams | October 4, 2012 | 1 | 8 | 1 |
| Urggy2018 | September 12, 2018 | 2 | 3 | 0 |
| Urinbits | July 7, 2015 | 1 | 2 | 0 |
| urjakit | June 12, 2019 | 0 | 0 | 0 |
| Urs | November 22, 2011 | 1 | 1 | 0 |
| Urwahocane | January 5, 2017 | 0 | 0 | 0 |
| us5497 | July 30, 2011 | 0 | 0 | 0 |
| Us771998 | October 11, 2019 | 0 | 0 | 0 |
| usabottling | September 11, 2023 | 1 | 1 | 0 |
 | usadealer | January 3, 2013 | 0 | 0 | 0 |
| USAFvet | July 30, 2023 | 1 | 1 | 0 |
| Usagolder7 | November 19, 2019 | 0 | 0 | 0 |
| Usagoldsprung | November 19, 2019 | 0 | 0 | 0 |
| USamelve | October 17, 2014 | 1 | 1 | 0 |
| usaoccom | February 18, 2020 | 0 | 1 | 0 |
| usapon | February 4, 2022 | 0 | 1 | 0 |
| usarobert | February 10, 2011 | 1 | 2 | 0 |
| Used2bCool | February 19, 2013 | 1 | 1 | 0 |
 | Used2bsane | April 4, 2021 | 1 | 1 | 0 |
| UsefulMuffin | July 31, 2024 | 1 | 2 | 0 |
| user2343265 | November 4, 2024 | 2 | 6 | 1 |
| user8sarah | August 19, 2024 | 1 | 1 | 0 |
| Username | November 2, 2011 | 1 | 2 | 0 |
| username1975728 | June 5, 2020 | 0 | 1 | 0 |
| UsernameRemorse | July 4, 2020 | 1 | 43 | 0 |
| Userunknown | February 11, 2019 | 0 | 2 | 0 |
| usex | August 21, 2019 | 0 | 0 | 0 |
| usjwertyti | August 10, 2016 | 1 | 1 | 0 |
| usman | August 25, 2013 | 0 | 0 | 0 |
| usmanhassan | October 19, 2013 | 0 | 0 | 0 |
 | usmileprosale | September 2, 2020 | 1 | 1 | 0 |
