| 2021-01-13 03:03:02 | dipswitch | Added Psygon as organiser of Maniacs & Psygon Copyparty 1989 |
| 2018-12-07 17:24:01 | 100bit | Edited nick 'Psygon': changed differentiator to 'c64/.de' |
| 2018-12-07 17:23:53 | 100bit | Added link http://csdb.dk/group/?id=4373 |
| 2015-06-13 01:31:39 | dipswitch | Added Metalman as a member of Psygon |