| 2026-01-04 10:20:01 | menace | Edited notes |
| 2025-09-20 17:36:21 | menace | Edited notes |
| 2025-09-20 17:36:19 | menace | Added Deff as a member of Illusion |
| 2025-03-04 06:32:43 | menace | Added credit for Deff on Motley Tetris: Other (original suppply) |
| 2025-03-03 06:22:04 | menace | Added credit for Deff on Dr. Mad Versus Topsy Turvy Moon Men on Mars +3: Other (original supply) |
| 2025-03-03 05:52:58 | menace | Updated Deff's credit on Kitron Preview: Code (crack) |
| 2024-03-12 23:05:14 | psenough | Added Deff as organiser of Tribute 1994 |
| 2024-01-26 04:55:17 | psenough | Added credit for Deff on Smasher II +1MHF: Other |
| 2024-01-26 04:47:47 | psenough | Added credit for Deff on The House Preview: Other (Supply) |
| 2024-01-26 03:49:54 | psenough | Added credit for Deff on Laced Tiles: Other (Supply) |
| 2024-01-26 03:40:41 | psenough | Added credit for Deff on Kitron Preview: Code |
| 2024-01-26 03:38:06 | psenough | Added credit for Deff on Dungeon Warriors +3F: Other (Supply) |
| 2023-11-13 11:34:25 | psenough | Added credit for Deff on Gangster +3: Other |
| 2023-10-02 09:19:31 | ericorsio | Added credit for Deff on Zone of Darkness Preview: Other (Original Supply) |
| 2023-07-27 04:35:48 | menace | Added credit for Deff on Full Screen Editor V1.0: Code, Text |
| 2023-05-10 06:47:17 | psenough | Added credit for Deff on Corruption 14: Text |
| 2020-02-14 13:12:32 | Weasel | Updated Deff's membership of Crazy: set as ex-member |
| 2019-04-19 13:17:54 | menace | Added Deff as a member of Enigma |
| 2018-07-22 14:35:56 | menace | Added credit for Deff on Corruption 12: Text (main editor) |
| 2015-01-17 03:32:08 | dipswitch | Updated Deff's credit on Pirates 15: Graphics, Text |
| 2015-01-17 02:08:25 | dipswitch | Added credit for Deff on Pirates 15: Graphics |
| 2015-01-17 01:30:30 | dipswitch | Added Deff as a member of Dominators |
| 2015-01-17 01:30:19 | dipswitch | Added credit for Deff on Pirates 13: Text (Interviewed) |
| 2014-09-24 00:41:07 | dipswitch | Added credit for Deff on Avantgarde Intern 2: Text (Interviewed) |
| 2014-09-24 00:40:25 | dipswitch | Added Deff as a member of Avantgarde |
| 2014-09-24 00:40:12 | dipswitch | Set location to Hennef, Regierungsbezirk Köln, North Rhine-Westphalia, Germany |
| 2014-09-24 00:40:07 | dipswitch | Set real name |
| 2014-09-23 01:37:28 | dipswitch | Added link http://noname.c64.org/csdb/scener/?id=3542 |
| 2014-09-23 01:37:26 | dipswitch | Added Deff as a member of Crazy |
| 2014-09-23 01:37:19 | dipswitch | Set location to Germany |
| 2014-09-23 01:37:15 | dipswitch | Added credit for Deff on Shock 5: Text |