| 2024-10-07 16:34:40 | ltk_tscc | Set release date to 8 May 1991 |
| 2024-10-06 03:54:05 | Peter.Dell | Edited pack contents of Hobby-Tronic Demo '91 |
| 2021-05-16 08:53:36 | Johny856 | Added links: https://www.youtube.com/watch?v=TrWbbGzTs5s, https://www.youtube.com/watch?v=cM9OvhmFlBw |
| 2019-06-01 13:27:31 | ltk_tscc | Edited pack contents of Hobby-Tronic Demo '91 |
| 2019-06-01 13:05:04 | ltk_tscc | Edited pack contents of Hobby-Tronic Demo '91 |
| 2019-06-01 13:04:59 | ltk_tscc | Set author to 'Atari Bit Byter User Club', release date to 1991, types to Demo, Pack |
| 2019-06-01 13:03:58 | ltk_tscc | Added 7 screenshots |
| 2015-08-22 18:33:44 | ltk_tscc | Added link http://a8.fandal.cz/detail.php?files_id=3568 |
| 2015-08-22 18:33:20 | ltk_tscc | Set title to 'Hobby-Tronic Demo '91' |
| 2014-07-28 15:03:52 | ltk_tscc | Edited soundtrack details for Hobbytronic Demo '91 |
| 2014-07-28 15:03:29 | ltk_tscc | Added credit for Benjy on Hobbytronic Demo '91: Music |
| 2014-03-11 18:39:39 | ltk_tscc | Added production 'Hobbytronic Demo '91' |