| 2020-05-24 18:06:14 | ltk_tscc | Edited notes |
| 2020-05-24 18:06:04 | ltk_tscc | Added screenshot |
| 2017-03-31 17:56:14 | ltk_tscc | Set release date to 1 December 1991 |
| 2017-03-31 17:56:02 | ltk_tscc | Edited notes |
| 2015-09-13 20:27:29 | ltk_tscc | Edited soundtrack details for Secret (YM-2149 Synthesizer) |
| 2015-09-13 20:24:28 | ltk_tscc | Added credit for Big Alec on Secret (YM-2149 Synthesizer): Code, Music |
| 2015-09-13 15:47:21 | ltk_tscc | Edited notes |
| 2015-09-13 15:47:13 | ltk_tscc | Edited notes |
| 2015-09-13 15:45:57 | ltk_tscc | Added production 'Secret (YM-2149 Synthesizer)' |