All users which currently have 100% on a site.
| Username | Site | First Track | Master since | Track-Time | From | |
|---|---|---|---|---|---|---|
 | Xeron | RedTigers Hackit | Oct 08, 2016 - 17:35:45 | Nov 15, 2016 - 15:40:00 | 37d 23h | 0.00% |
| Xerxes500 | HackThisSite | Feb 14, 2009 - 02:18:20 | Apr 05, 2023 - 20:29:29 | 14y 53d | 64.22% |
 | xf4de | RedTigers Hackit | Aug 21, 2019 - 14:04:11 | Aug 27, 2019 - 23:04:38 | 6d 9h | 5.42% |
 | Xioth | RedTigers Hackit | Jan 18, 2019 - 14:48:03 | Jan 22, 2019 - 13:48:06 | 3d 23h | 14.10% |
| xire | CSTutoringCenter | Apr 10, 2014 - 15:58:32 | Jul 29, 2015 - 02:13:06 | 1y 109d | 0.00% |
| xire | RedTigers Hackit | Nov 08, 2013 - 21:17:01 | Jan 08, 2014 - 03:45:34 | 60d 6h | 0.00% |
| xoreaxeax | RedTigers Hackit | Jul 06, 2016 - 00:10:22 | Jul 17, 2016 - 15:10:28 | 11d 15h | 0.00% |
 | xp45g | Yoire | Mar 16, 2014 - 02:27:20 | Mar 16, 2014 - 02:27:20 | 0s | 100.00% |
| xp45g | IRISSCON 2012 Lost Challenges | Sep 18, 2013 - 23:17:40 | Sep 18, 2013 - 23:17:40 | 0s | 100.00% |
| xp45g | Reversing.Kr | Mar 24, 2013 - 23:33:37 | Mar 30, 2014 - 00:48:08 | 1y 5d | 16.67% |
| xp45g | Tasteless | May 15, 2014 - 18:35:16 | May 15, 2014 - 23:00:25 | 4h 25m | 0.00% |
| xp45g | CSTutoringCenter | Jun 24, 2013 - 23:29:55 | May 21, 2014 - 20:21:35 | 330d 20h | 0.00% |
| xp45g | RedTigers Hackit | May 31, 2013 - 20:46:45 | Sep 30, 2013 - 23:47:52 | 122d 3h | 0.00% |
 | xris | RedTigers Hackit | Jun 28, 2017 - 19:43:15 | Jun 28, 2017 - 20:46:53 | 1h 3m | 55.75% |
| xseris | Hacker Gateway | Mar 06, 2017 - 23:49:11 | Jan 30, 2021 - 16:27:26 | 3y 330d | 75.00% |
| xseris | hax.tor.hu | Sep 19, 2014 - 22:47:37 | May 04, 2019 - 23:31:22 | 4y 228d | 22.00% |
| xseris | RedTigers Hackit | Nov 13, 2014 - 23:07:23 | Aug 21, 2017 - 23:20:34 | 2y 281d | 0.00% |
 | XStreamke | ThisisLegal.com | Mar 20, 2012 - 23:45:11 | Jun 03, 2020 - 15:25:16 | 8y 76d | 18.29% |
| xtckiller | RedTigers Hackit | Nov 13, 2023 - 10:52:32 | Nov 13, 2023 - 14:08:56 | 3h 16m | 0.00% |
 | Xvezda | LordofSQLi | May 31, 2019 - 19:14:38 | Jun 19, 2019 - 13:47:19 | 18d 18h | 42.86% |
| Xvezda | RedTigers Hackit | Jun 13, 2019 - 07:56:23 | Jun 17, 2019 - 19:06:52 | 4d 11h | 14.10% |
| y0ug | Root-Me | Dec 22, 2012 - 13:36:02 | Dec 22, 2012 - 13:36:02 | 0s | 100.00% |
 | yachoor | +Ma's Reversing | Mar 01, 2009 - 02:23:23 | Jul 21, 2017 - 21:56:07 | 8y 144d | 71.43% |
| yachoor | Hacker Gateway | May 25, 2017 - 21:26:04 | Feb 19, 2019 - 17:00:11 | 1y 269d | 65.22% |
| yachoor | hax.tor.hu | May 09, 2009 - 15:30:54 | Jun 05, 2017 - 21:45:20 | 8y 29d | 26.00% |
| yachoor | CSTutoringCenter | Mar 03, 2010 - 16:31:23 | Jul 31, 2010 - 17:34:31 | 150d 3m | 1.77% |
| yachoor | RedTigers Hackit | Feb 17, 2015 - 21:04:10 | Jul 27, 2017 - 13:58:26 | 2y 160d | 0.00% |
| yachoor | Yoire | Jun 02, 2012 - 11:42:41 | Mar 02, 2015 - 11:47:02 | 2y 273d | 0.00% |
| yachoor | SuNiNaTaS | Jun 02, 2012 - 11:41:44 | Feb 28, 2016 - 12:51:05 | 3y 271d | 0.00% |
| yakuzar | RedTigers Hackit | Feb 25, 2024 - 11:09:58 | Feb 25, 2024 - 11:09:58 | 0s | 100.00% |
 | yama_tan | RedTigers Hackit | Dec 15, 2018 - 02:44:47 | Dec 19, 2018 - 06:50:23 | 4d 4h | 14.10% |
| yApth0 | PromptRiddle | Sep 20, 2020 - 02:26:53 | Sep 20, 2020 - 02:26:53 | 0s | 100.00% |
| yehuju | RedTigers Hackit | Jul 30, 2013 - 08:13:21 | Aug 29, 2013 - 02:19:08 | 29d 18h | 69.63% |
| yehuju | IRISSCON 2012 Lost Challenges | Sep 19, 2013 - 03:54:06 | Oct 05, 2013 - 19:39:56 | 16d 15h | 42.65% |
| yehuju | SuNiNaTaS | Mar 10, 2013 - 08:53:36 | Jan 10, 2015 - 05:12:57 | 1y 305d | 40.50% |
| yehuju | hax.tor.hu | Jun 15, 2012 - 07:22:58 | May 02, 2016 - 14:55:20 | 3y 322d | 14.00% |
| yehuju | HackThisSite | Jul 03, 2012 - 08:28:38 | Apr 05, 2023 - 20:33:18 | 10y 278d | 1.17% |
| yehuju | Reversing.Kr | Jun 07, 2013 - 09:05:33 | Mar 29, 2020 - 05:23:45 | 6y 296d | 0.00% |
| yehuju | Webhacking.kr | May 15, 2013 - 15:25:57 | Feb 26, 2022 - 07:39:28 | 8y 288d | 0.00% |
| yeo2165 | SuNiNaTaS | Sep 05, 2015 - 00:47:14 | Sep 05, 2015 - 00:47:14 | 0s | 100.00% |
| Yeon_ | SuNiNaTaS | Jun 16, 2019 - 08:18:55 | Jun 16, 2019 - 11:03:59 | 2h 45m | 90.37% |
| Yeon_ | Reversing.Kr | Nov 14, 2018 - 18:48:58 | Jun 15, 2019 - 18:57:57 | 212d 23h | 89.49% |
| Yeon_ | LordofSQLi | Jul 18, 2019 - 13:45:52 | Jul 19, 2019 - 06:25:46 | 16h 39m | 57.14% |
| Yeon_ | RedTigers Hackit | Nov 13, 2018 - 07:47:30 | Nov 14, 2018 - 04:08:08 | 20h 20m | 2.17% |
| yeuchimse | Yoire | Jul 01, 2014 - 09:10:45 | Jul 04, 2014 - 05:16:24 | 2d 20h | 61.54% |
| ymvunjq | W3Challs | Aug 26, 2011 - 15:36:02 | Aug 26, 2011 - 15:36:02 | 0s | 100.00% |
| ymvunjq | hax.tor.hu | Dec 09, 2009 - 23:14:00 | Dec 09, 2009 - 23:14:00 | 0s | 100.00% |
| yoobi | RedTigers Hackit | Feb 26, 2024 - 13:41:32 | Feb 27, 2024 - 12:41:29 | 22h 59m | 0.00% |
| YSc | RedTigers Hackit | Sep 26, 2014 - 15:57:49 | Dec 02, 2014 - 14:12:22 | 66d 23h | 0.00% |
| ytbjplh | RedTigers Hackit | Apr 11, 2014 - 19:15:11 | Apr 11, 2014 - 19:15:11 | 0s | 100.00% |