| 2025-10-17 20:18:43 | menace | Updated Madster's membership of Phenomena: set as ex-member |
| 2023-03-10 07:09:56 | menace | Edited notes |
| 2023-03-10 07:09:52 | menace | Edited notes |
| 2023-03-08 16:16:31 | sensenstahl | Edited notes |
| 2023-03-08 16:09:11 | sensenstahl | Edited notes |
| 2023-03-08 16:08:55 | sensenstahl | Edited nick 'Madster': changed name to 'Madster' |
| 2022-11-28 07:25:02 | sverige75 | Edited nick 'Madster (1975-2021)': changed name to 'Madster (1975-2021)' |
| 2022-01-14 20:41:31 | ltk_tscc | Updated Madster's membership of The CodeBlasters: changed group to The CodeBlasters |
| 2016-08-12 09:17:16 | menace | Added credit for Madster on Eskilstuna Computer Entertainment Show (ECES) Invitation: Graphics (scroll font) |
| 2016-08-12 09:15:23 | menace | Added Madster as a member of C.A.M |
| 2016-08-12 09:14:30 | menace | Added credit for Madster on Alien Sound Blast: Graphics |
| 2014-06-01 19:27:23 | menace | Added Madster as a member of Phenomena |
| 2014-06-01 19:26:31 | menace | Added credit for Madster on Damage: Graphics (font) |