| 2025-12-07 19:32:25 | dipswitch | Added Antichrist as a member of HiRMU |
| 2025-12-01 16:06:34 | dipswitch | Added link https://defacto2.net/g/hirmu |
| 2025-12-01 16:06:05 | dipswitch | Added link https://www.mp3scene.info/groups/342/hirmu/ |
| 2024-11-07 09:36:05 | dipswitch | Added BBS Weather Experience as Distsite for HiRMU |
| 2024-04-06 16:40:17 | psenough | Added HiRMU as organiser of Jouluporno 1996 |
| 2023-05-26 14:16:06 | thalla | Added Dr.Oopy as a member of HiRMU |
| 2023-03-29 06:05:58 | menace | Added Puhelin as a member of HiRMU |
| 2022-08-05 13:09:16 | Brittle | Added Vissy as a member of HiRMU |
| 2022-04-09 17:27:41 | phoenix | Added sitruuna as a member of HiRMU |
| 2021-12-21 12:58:49 | Brittle | Added Muumi as a member of HiRMU |
| 2021-12-20 20:16:39 | phoenix | Added grillimestari as a member of HiRMU |
| 2021-11-23 21:29:58 | 100bit | Updated HiRMU's affiliation with CloudCity: changed role to Distsite |
| 2021-11-23 21:26:37 | 100bit | Updated HiRMU's affiliation with CloudCity: changed role to HQ |
| 2021-11-23 21:25:04 | 100bit | Added affiliation with BBS CloudCity for HiRMU |
| 2021-08-08 22:27:18 | dipswitch | Added Peak as a member of HiRMU |
| 2021-06-08 05:31:58 | rmd | Added link https://csdb.dk/group/?id=9832 |
| 2021-05-21 03:00:39 | dipswitch | Added link https://16colo.rs/group/hirmu |
| 2021-05-19 02:44:32 | dipswitch | Added BBS Conflict Carrier as WHQ for HiRMU |
| 2021-02-11 23:45:54 | dipswitch | Added BBS Haciend Networks as Memberboard for HiRMU |
| 2021-02-03 00:56:30 | dipswitch | Added affiliation with BBS Dark Tower for HiRMU |
| 2021-01-31 05:20:33 | dipswitch | Added BBS E-Connect as Memberboard for HiRMU |
| 2021-01-21 11:45:33 | Brittle | Added Vent as a member of HiRMU |
| 2019-08-08 11:57:51 | mikron | Added Mikron as a member of HiRMU |
| 2019-06-02 16:30:15 | Brittle | Added Galvados as a member of HiRMU |
| 2019-05-07 13:37:12 | Brittle | Updated Primon's membership of HiRMU: changed group to HiRMU |
| 2019-05-07 13:36:52 | Brittle | Added Primon as a member of HiRMU |
| 2019-03-01 08:31:36 | distance | Added Dune as a member of HiRMU |
| 2018-11-08 04:39:57 | Brittle | Added Ivy as a member of HiRMU |
| 2018-06-26 17:42:09 | Brittle | Added Jate as a member of HiRMU |
| 2018-06-26 17:35:26 | Brittle | Added link https://twitter.com/hirmuofficial |
| 2018-01-01 16:42:29 | menace | Edited notes |
| 2018-01-01 16:41:47 | menace | Added Braindead as a member of HiRMU |
| 2017-08-17 11:18:31 | Saga_Musix | Added Mrw as a member of HiRMU |
| 2017-07-30 14:54:05 | tomaes | Added link https://www.pouet.net/groups.php?which=1312 |
| 2015-08-01 21:02:22 | distance | Added Lackluster as a member of HiRMU |
| 2014-08-12 13:31:28 | menace | Added hirmu valtias as a member of HiRMU |
| 2014-05-20 05:21:20 | menace | Added Parta Monni as a member of HiRMU |
| 2014-05-20 05:20:55 | menace | Added Big Buddha as a member of HiRMU |
| 2014-01-11 17:25:07 | Mahanisse | Added Mahavishnu Thor as a member of HiRMU |
| 2013-12-10 04:30:08 | menace | Added Vicci as a member of HiRMU |
| 2013-05-16 07:20:32 | menace | Added eki as a member of HiRMU |
| 2013-05-02 06:54:18 | menace | Added link http://www.scene.org/dir.php?dir=/demos/groups/hirmu/ |
| 2012-12-06 08:32:25 | H7 | Added mov as a member of HiRMU |
| 2012-08-29 12:59:48 | menace | Added mia as a member of HiRMU |
| 2012-07-29 08:12:03 | menace | Added Dose as a member of HiRMU |