| 2020-11-10 10:33:51 | ltk_tscc | Set release date to 8 January 1990 |
| 2020-11-10 08:19:07 | ltk_tscc | Set release date to January 1990 |
| 2014-06-30 11:33:26 | ltk_tscc | Added tag 'sndh' |
| 2014-06-30 11:33:23 | ltk_tscc | Added link http://sndh.atari.org/sndh/sndh_lf/Tangens/Synthetic_Visions_Menu.sndh |
| 2014-06-30 11:33:14 | ltk_tscc | Set release date to 1989, platform to Atari ST/E |