| 2025-08-03 10:20:52 | usual | Removed Darkman007 as a member of Serious Speccy Group |
| 2025-08-03 10:20:09 | usual | Added Darkman as a member of Serious Speccy Group |
| 2024-10-18 17:04:54 | dipswitch | Added Vic as a member of Serious Speccy Group |
| 2023-01-03 23:45:54 | ipggi | Removed Serious Speccy Group's affiliation with House of Insanity 2 (214) |
| 2023-01-03 23:44:58 | ipggi | Updated Serious Speccy Group's affiliation with House of Insanity 2 (214): changed group to Serious Speccy Group |
| 2021-08-01 08:06:14 | menace | Added Darkman007 as a member of Serious Speccy Group |
| 2013-09-26 12:45:02 | menace | Updated Justinas's membership of Serious Speccy Group: changed group to Serious Speccy Group, set as ex-member |
| 2013-09-26 12:44:54 | menace | Added link http://zxdemo.org/author.php?id=965 |
| 2013-09-26 12:44:25 | menace | Edited nick 'Serious Makers Group': changed abbreviation to 'SMG' |
| 2013-09-22 02:50:23 | dipswitch | Updated Serious Speccy Group's status as a subgroup of Constellation: changed subgroup to Serious Speccy Group |
| 2013-09-22 02:50:17 | dipswitch | Added Serious Speccy Group as a subgroup of Constellation |
| 2013-09-22 02:49:59 | dipswitch | Added link http://speccy.info/Serious_Makers_Group |
| 2013-09-22 02:49:54 | dipswitch | Added nick 'Serious Makers Group' |