| 2025-05-28 22:11:20 | dipswitch | Updated Viator's credit on Hallucinations Opera: Other (Scenario), Graphics, Code, Text |
| 2025-05-28 22:08:53 | dipswitch | Added tag 'russian-english' |
| 2025-05-28 22:08:46 | dipswitch | Added tag 'russian' |
| 2025-05-28 22:03:48 | dipswitch | Added credit for Shadow on Hallucinations Opera: Other (Converting) |
| 2025-05-28 22:02:58 | dipswitch | Added credit for Mehlis on Hallucinations Opera: Other (Scanning) |
| 2025-05-28 22:02:45 | dipswitch | Updated Znahar's credit on Hallucinations Opera: Music, Other (Scenario, Scanning), Code |
| 2025-05-28 22:02:31 | dipswitch | Updated Winner's credit on Hallucinations Opera: Code, Other (Hardware Support) |
| 2025-05-28 22:02:22 | dipswitch | Added credit for Afina on Hallucinations Opera: Other (Critics) |
| 2025-05-28 22:01:34 | dipswitch | Added credit for Sem on Hallucinations Opera: Code |
| 2025-05-28 22:00:16 | dipswitch | Added credit for Winner on Hallucinations Opera: Code |
| 2025-05-28 21:59:37 | dipswitch | Added credit for Ruff on Hallucinations Opera: Code |
| 2025-05-28 21:58:35 | dipswitch | Added credit for Deekobruz on Hallucinations Opera: Graphics |
| 2025-05-28 21:58:08 | dipswitch | Added credit for Imp on Hallucinations Opera: Music |
| 2025-05-28 21:58:00 | dipswitch | Added credit for Znahar on Hallucinations Opera: Music, Other (Scenario), Code |
| 2025-05-28 21:57:34 | dipswitch | Added credit for Viator on Hallucinations Opera: Other (Scenario), Graphics, Code |
| 2025-05-28 21:56:59 | dipswitch | Removed tag 'no-credits-given' |
| 2025-05-28 21:54:44 | dipswitch | Set author to 'Avalon + Rush' |
| 2025-05-28 21:54:20 | dipswitch | Added tag 'interactive' |
| 2025-05-28 21:49:21 | dipswitch | Added tag 'hidden-message' |
| 2025-05-28 21:49:18 | dipswitch | Added tag 'no-credits-given' |
| 2025-05-28 21:47:08 | dipswitch | Deleted link http://zxn.ru/prod.php?p=4589 |
| 2020-05-17 22:43:33 | nodeus | Added screenshot |
| 2020-05-17 22:43:15 | nodeus | Updated link https://www.youtube.com/watch?v=GQZ40Trdbsg |
| 2016-12-23 09:01:03 | menace | Added link http://www.youtube.com/watch?v=_QZb0FGQAMY |
| 2016-12-23 09:00:59 | menace | Added link http://zxn.ru/prod.php?p=4589 |
| 2013-09-26 10:06:24 | menace | Set release date to 23 August 1997 |