| 2023-10-12 21:21:55 | psenough | Added K.K. as a member of Opium |
| 2021-10-08 06:41:11 | menace | Edited nick 'Opium': changed differentiator to 'amiga+pc/.pl' |
| 2021-10-08 06:28:48 | menace | Edited notes |
| 2021-08-05 17:20:58 | menace | Added Sundance as a member of Opium |
| 2021-04-28 01:42:53 | dipswitch | Updated Opium's affiliation with Prevail: changed group to Opium |
| 2021-03-10 03:30:08 | dipswitch | Updated Opium's affiliation with Comicon: changed group to Opium |
| 2021-03-01 18:35:24 | Cthulu | Updated Zeus II's membership of Opium: set as ex-member |
| 2020-08-12 06:03:08 | menace | Added Lopez as a member of Opium |
| 2020-06-09 03:02:41 | Brittle | Updated Mad-E's membership of Opium: set as ex-member |
| 2020-06-03 04:43:28 | menace | Added Assassin as a member of Opium |
| 2020-06-02 20:51:43 | menace | Added Delta as a member of Opium |
| 2019-09-23 20:17:15 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=391 |
| 2019-08-28 08:36:43 | menace | Added Raider as a member of Opium |
| 2019-08-28 08:36:28 | menace | Edited notes |
| 2019-07-23 05:18:43 | menace | Edited nick 'Opium': changed differentiator to 'amiga/pc/.pl' |
| 2019-07-18 07:14:57 | menace | Added Krashan as a member of Opium |
| 2019-03-08 06:20:14 | sensenstahl | Edited notes |
| 2019-03-08 06:17:39 | sensenstahl | Edited notes |
| 2019-03-08 06:12:44 | sensenstahl | Added Evil Genius as a member of Opium |
| 2019-03-08 06:12:36 | sensenstahl | Added Inm as a member of Opium |
| 2019-03-08 06:12:29 | sensenstahl | Added Rick as a member of Opium |
| 2019-03-08 06:12:23 | sensenstahl | Added Spike as a member of Opium |
| 2019-03-08 06:12:15 | sensenstahl | Added Pike as a member of Opium |
| 2019-03-08 06:12:07 | sensenstahl | Added Wasted as a member of Opium |
| 2019-03-08 06:12:00 | sensenstahl | Added Ace as a member of Opium |
| 2019-03-08 06:11:51 | sensenstahl | Added Zeus II as a member of Opium |
| 2019-03-08 06:11:42 | sensenstahl | Added Sinkadus as a member of Opium |
| 2019-03-08 06:11:33 | sensenstahl | Added Cocox as a member of Opium |
| 2019-03-08 06:11:07 | sensenstahl | Edited notes |
| 2019-01-16 13:29:45 | exocet | Added Wolfman as a member of Opium |
| 2017-01-09 03:26:50 | menace | Edited nick 'Opium': changed abbreviation to 'OPM' |
| 2016-03-30 04:07:40 | menace | Added Skeleton as a member of Opium |
| 2016-03-30 04:07:11 | menace | Added nick 'Opium Graphix' |
| 2015-09-09 09:07:06 | menace | Added Shadow as a member of Opium |
| 2015-09-09 09:06:52 | menace | Edited notes |
| 2014-09-01 03:03:11 | dipswitch | Added Pacman as a member of Opium |
| 2014-07-21 10:59:36 | macaw | Updated Macaw's membership of Opium: changed group to Opium, set as ex-member |
| 2014-03-07 01:25:39 | dipswitch | Added Yasi as a member of Opium |
| 2014-01-13 21:32:35 | Sephiroth | Added Sephiroth as a member of Opium |
| 2013-12-28 23:28:14 | ltk_tscc | Edited nick 'Opium': changed differentiator to 'amiga/pc' |
| 2013-05-13 23:03:30 | ccr | Added Mixer as a member of Opium |