| 2024-04-21 12:47:30 | ps1ch | Added links: https://files.scene.org/view/demos/artists/crazy_cellist/psx/cc-opus1.zip, https://files.scene.org/view/demos/artists/crazy_cellist/psx/cc-opus1-source.zip |
| 2024-04-21 12:46:56 | ps1ch | Added 2 info files |
| 2024-04-21 12:46:31 | ps1ch | Set title to 'PlayStation Opus One' |
| 2024-04-21 12:45:12 | ps1ch | Removed tag 'no-credits-added' |
| 2024-04-21 12:45:01 | ps1ch | Added credit for Silpheed on PlayStation Op.1: Code (modplayer) |
| 2024-04-21 12:44:51 | ps1ch | Added credit for Crazy Cellist on PlayStation Op.1: Code |
| 2024-04-21 12:44:42 | ps1ch | Added credit for Dr. Awesome on PlayStation Op.1: Music |
| 2024-04-21 12:44:19 | ps1ch | Added link https://www.youtube.com/watch?v=mzipSSI7bOA |
| 2024-04-21 12:44:12 | ps1ch | Set release date to 24 June 1999 |
| 2023-08-06 10:14:27 | ps1ch | Added tag 'no-credits-added' |
| 2023-08-06 09:48:45 | ps1ch | Edited soundtrack details for PlayStation Op.1 |
| 2023-08-06 09:48:36 | ps1ch | Added tag 'hitmod' |
| 2023-08-06 09:48:13 | ps1ch | Added 5 screenshots |
| 2016-03-06 14:00:11 | ltk_tscc | Set release date to June 1999 |
| 2016-03-06 13:58:03 | ltk_tscc | Added link http://www.pouet.net/prod.php?which=25587 |
| 2016-03-06 13:57:54 | ltk_tscc | Added production 'PlayStation Op.1' |