| 2020-03-08 10:18:47 | menace | Added Logic System as a subgroup of 2000 A.D. |
| 2020-03-08 10:16:24 | menace | Added Cash as a member of Logic System |
| 2019-09-08 16:10:49 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=4971 |
| 2016-08-27 19:05:10 | Asle | Added Alphatron as a member of Logic System |
| 2016-08-27 18:57:58 | Asle | Added Sid as a member of Logic System |
| 2016-08-27 18:57:36 | Asle | Added link http://janeway.exotica.org.uk/author.php?id=16387 |
| 2016-08-27 18:57:30 | Asle | Added group 'Logic System' |