| 2024-01-16 06:01:07 | menace | Edited notes |
| 2024-01-16 06:00:45 | menace | Added link https://files.scene.org/browse/demos/groups/tetragon/ |
| 2023-12-17 17:16:55 | menace | Updated Zimmi's membership of Tetragon: set as ex-member |
| 2023-12-17 17:16:42 | menace | Updated Yggdrazil's membership of Tetragon: set as ex-member |
| 2023-12-17 17:16:20 | menace | Updated Truzer's membership of Tetragon: set as ex-member |
| 2023-12-17 17:15:08 | menace | Edited notes |
| 2023-12-17 17:13:26 | menace | Updated Trox's membership of Tetragon: set as ex-member |
| 2023-12-17 17:12:58 | menace | Added Trox as a member of Tetragon |
| 2023-12-17 17:09:39 | menace | Edited notes |
| 2023-12-17 17:08:45 | menace | Updated Surcharge's membership of Tetragon: set as ex-member |
| 2023-12-17 17:07:35 | menace | Updated Ozark's membership of Tetragon: set as ex-member |
| 2023-12-17 17:07:05 | menace | Updated Orbit's membership of Tetragon: set as ex-member |
| 2023-12-17 17:06:26 | menace | Updated Qual II's membership of Tetragon: set as ex-member |
| 2023-12-17 17:04:05 | menace | Updated Qual I's membership of Tetragon: set as ex-member |
| 2023-12-17 17:03:14 | menace | Updated Newray's membership of Tetragon: set as ex-member |
| 2023-12-17 17:03:01 | menace | Edited notes |
| 2023-12-17 16:58:08 | menace | Added Dr. Coldcut as a member of Tetragon |
| 2023-12-17 16:57:17 | menace | Updated Lizard's membership of Tetragon: set as ex-member |
| 2023-12-17 16:56:47 | menace | Updated Leinad's membership of Tetragon: set as ex-member |
| 2023-12-17 16:56:40 | menace | Updated Lastour's membership of Tetragon: set as ex-member |
| 2023-12-17 16:56:08 | menace | Updated Laser's membership of Tetragon: set as ex-member |
| 2023-12-17 16:56:01 | menace | Updated KMS's membership of Tetragon: set as ex-member |
| 2023-12-17 16:55:51 | menace | Updated Kevin's membership of Tetragon: set as ex-member |
| 2023-12-17 16:55:20 | menace | Updated Jumbo's membership of Tetragon: set as ex-member |
| 2023-12-17 16:54:38 | menace | Edited notes |
| 2023-12-17 16:54:11 | menace | Updated Gahn's membership of Tetragon: set as ex-member |
| 2023-12-17 16:39:59 | menace | Updated The Wizace's membership of Tetragon: set as ex-member |
| 2023-12-17 16:38:53 | menace | Updated The Predator's membership of Tetragon: set as ex-member |
| 2023-12-17 16:31:48 | menace | Added Terrormex as a member of Tetragon |
| 2023-12-17 16:30:13 | menace | Updated Dr. Ache's membership of Tetragon: set as ex-member |
| 2023-12-17 16:29:50 | menace | Updated Cosmos's membership of Tetragon: set as ex-member |
| 2023-12-17 08:49:05 | menace | Updated Buzzard's membership of Tetragon: set as ex-member |
| 2023-12-17 08:48:42 | menace | Updated Big Fos's membership of Tetragon: set as ex-member |
| 2023-12-17 08:48:10 | menace | Updated Alistair's membership of Tetragon: set as ex-member |
| 2023-12-17 08:47:09 | menace | Updated Axel's membership of Tetragon: set as ex-member |
| 2023-12-17 08:44:56 | menace | Edited notes |
| 2023-12-17 08:43:02 | menace | Added Pirates as a member of Tetragon |
| 2023-12-17 08:42:32 | menace | Edited notes |
| 2023-12-17 08:41:06 | menace | Edited notes |
| 2023-12-17 08:40:03 | menace | Added Mr. Tempter as a member of Tetragon |
| 2023-12-17 08:39:45 | menace | Edited notes |
| 2023-12-17 08:39:25 | menace | Edited notes |
| 2023-12-17 08:39:10 | menace | Edited notes |
| 2023-12-17 08:38:46 | menace | Edited notes |
| 2023-12-17 08:38:08 | menace | Edited notes |
| 2023-12-17 08:37:09 | menace | Edited notes |
| 2023-12-17 08:35:49 | menace | Added LED as a member of Tetragon |
| 2023-12-17 08:35:17 | menace | Edited notes |
| 2023-12-17 08:34:53 | menace | Edited notes |
| 2023-12-17 08:34:04 | menace | Edited notes |
| 2023-12-17 08:32:36 | menace | Added Timer as a member of Tetragon |
| 2023-12-17 08:32:26 | menace | Edited notes |
| 2021-09-28 21:29:53 | menace | Updated Aztec's membership of Tetragon: set as ex-member |
| 2021-09-28 21:27:41 | menace | Added Baze as a member of Tetragon |
| 2021-05-18 21:24:01 | phoenix | Updated Lizardking's membership of Tetragon: set as ex-member |
| 2021-04-11 04:25:29 | dipswitch | Added BBS Palladium as WHQ for Tetragon |
| 2021-03-26 18:11:53 | mderooij | Added Goony as a member of Tetragon |
| 2021-03-26 17:45:45 | mderooij | Added Emotional Mozes as a member of Tetragon |
| 2021-03-26 17:31:22 | mderooij | Added The Duke as a member of Tetragon |
| 2020-11-16 11:15:36 | Brittle | Added Roysterini as a member of Tetragon |
| 2020-09-08 08:05:31 | menace | Added Dr. Pepper as a member of Tetragon |
| 2020-01-16 22:31:41 | KMS | Added KMS as a member of Tetragon |
| 2019-07-25 12:01:49 | 100bit | Added Aztec as a member of Tetragon |
| 2019-07-09 06:52:39 | menace | Edited notes |
| 2019-07-09 06:51:35 | menace | Added Toy as a member of Tetragon |
| 2019-07-09 06:51:17 | menace | Edited notes |
| 2019-07-09 06:50:38 | menace | Added Lizardking as a member of Tetragon |
| 2019-07-09 06:50:13 | menace | Edited notes |
| 2019-07-09 06:50:01 | menace | Added Dr. Ache as a member of Tetragon |
| 2019-07-09 06:49:42 | menace | Edited notes |
| 2019-07-09 06:49:22 | menace | Added Lynx as a member of Tetragon |
| 2019-07-09 06:48:57 | menace | Edited notes |
| 2019-07-09 06:48:38 | menace | Added The Wizace as a member of Tetragon |
| 2019-07-09 06:47:56 | menace | Edited notes |
| 2019-07-09 06:47:47 | menace | Added Big Fos as a member of Tetragon |
| 2019-07-09 06:47:32 | menace | Edited notes |
| 2019-07-09 06:47:17 | menace | Added Kevin as a member of Tetragon |
| 2019-07-09 06:46:51 | menace | Edited notes |
| 2019-07-09 06:46:14 | menace | Added The Predator as a member of Tetragon |
| 2019-07-09 06:45:52 | menace | Edited notes |
| 2019-07-09 06:45:36 | menace | Added Axel as a member of Tetragon |
| 2019-07-09 06:45:15 | menace | Edited notes |
| 2019-07-09 06:44:54 | menace | Added Trox as a member of Tetragon |
| 2019-07-09 06:44:25 | menace | Edited notes |
| 2019-07-09 06:44:15 | menace | Added Lizard as a member of Tetragon |
| 2019-07-09 06:41:57 | menace | Edited notes |
| 2019-07-09 06:41:42 | menace | Edited notes |
| 2019-07-09 06:41:28 | menace | Edited notes |
| 2019-07-09 06:41:15 | menace | Added Jumbo as a member of Tetragon |
| 2019-07-09 06:25:39 | menace | Edited notes |
| 2019-07-09 06:25:12 | menace | Edited notes |
| 2019-07-09 06:24:58 | menace | Edited notes |
| 2019-07-09 06:24:46 | menace | Edited notes |
| 2019-07-09 06:24:21 | menace | Edited notes |
| 2019-07-09 06:24:06 | menace | Edited notes |
| 2019-07-09 06:22:50 | menace | Edited notes |
| 2019-05-26 18:30:35 | menace | Added link https://www.pouet.net/groups.php?which=3908 |
| 2019-05-26 18:30:20 | menace | Added link http://csdb.dk/group/?id=3098 |
| 2019-01-28 20:48:31 | menace | Removed Trigon as a member of Tetragon |
| 2019-01-28 20:47:54 | menace | Updated Trigon's membership of Tetragon: changed group to Tetragon, set as ex-member |
| 2019-01-28 20:47:49 | menace | Added Trigon as a member of Tetragon |
| 2018-11-01 14:26:05 | exocet | Removed Mr Bap as a member of Tetragon |
| 2018-11-01 14:24:58 | exocet | Added Leinad as a member of Tetragon |
| 2018-11-01 14:23:53 | exocet | Added Mr Bap as a member of Tetragon |
| 2018-09-22 19:46:10 | Brittle | Added Scan as a member of Tetragon |
| 2016-02-21 19:31:42 | menace | Added Truzer as a member of Tetragon |
| 2016-01-03 09:34:55 | menace | Added credit for Tetragon on Cracker Journal 7 and 8: Text (guest editor) |
| 2015-05-11 08:20:26 | menace | Edited notes |
| 2015-05-11 08:18:11 | menace | Edited notes |
| 2015-05-11 08:14:42 | menace | Added Zimmi as a member of Tetragon |
| 2015-05-11 08:13:49 | menace | Added Orbit as a member of Tetragon |