| 2021-05-16 15:02:54 | 100bit | Added credit for Achim on Plain PETSCII Compo 2013 Results Scroller: Code |
| 2021-05-08 20:31:04 | 100bit | Added Achim as organiser of Plain PETSCII Graphics Competition 2013 |
| 2019-09-01 18:25:55 | 100bit | Added credit for Achim on Bunker 2015: Code |
| 2019-02-27 04:06:12 | menace | Updated Achim's credit on Week in Progress: Code, Graphics |
| 2019-02-27 04:05:23 | menace | Added credit for Achim on Week in Progress: Code |
| 2018-01-07 18:00:08 | 100bit | Set location to Germany |
| 2017-06-02 05:27:49 | menace | Updated Achim's credit on Achtung 5 Years Mayday!: Code, Graphics, Text |
| 2017-06-02 05:27:16 | menace | Updated Achim's credit on Achtung 5 Years Mayday!: Code, Graphics |
| 2017-06-02 05:26:57 | menace | Added credit for Achim on Achtung 5 Years Mayday!: Code |
| 2017-03-30 13:02:36 | menace | Added credit for Achim on Trafolta: Code, Graphics |
| 2014-06-12 17:59:10 | Saga_Musix | Added Achim as a member of RGCD |
| 2014-06-12 17:58:37 | Saga_Musix | Added link http://noname.c64.org/csdb/scener/?id=20818 |
| 2014-06-12 17:58:10 | Saga_Musix | Added Achim as a member of Mayday! |