| 2025-05-02 09:48:55 | ltk_tscc | Edited notes |
| 2025-04-30 22:10:02 | ltk_tscc | Added Atari Bit Byter User Club as organiser of ABBUC Software Contest 2018 |
| 2018-12-04 18:37:06 | ltk_tscc | Set start date to 24 April 2018, end date to 20 October 2018 |
| 2018-12-04 18:35:54 | ltk_tscc | Set start date to 2018, end date to 20 October 2018 |
| 2018-08-19 10:24:40 | ltk_tscc | Added competition Tools |
| 2018-08-19 10:22:20 | ltk_tscc | Added competition Game |
| 2018-08-19 10:18:18 | ltk_tscc | Set start date to 2018, end date to 2018, website to http://www.abbuc.de/atari/software-ressort/81-software/softwarewettbewerbe/1836-software-wettbewerb-2018 |
| 2018-08-19 10:17:50 | ltk_tscc | Added party 'ABBUC Software Contest 2018' |