| 2025-12-09 20:15:31 | menace | Updated OSon's membership of Bizarre Arts: set as ex-member |
| 2020-12-02 14:17:18 | OSon | Added OSon as a member of Bizarre Arts |
| 2015-08-22 11:26:51 | ltk_tscc | Added OSon as a member of Hannover ABBUC Regionalgruppe |
| 2015-08-22 11:26:37 | ltk_tscc | Added credit for OSon on HAR Demo 1995: Code |
| 2015-01-18 18:21:52 | ltk_tscc | Added credit for OSon on D.I.T.C.H. (Final): Graphics, Music |
| 2014-08-30 09:08:38 | crtxl | Added credit for OSon on Mighty Jill Off: Music |
| 2014-07-31 14:53:43 | ltk_tscc | Added nick 'Sit Meier' |
| 2014-07-31 14:53:22 | ltk_tscc | Set real name |
| 2013-08-13 16:06:25 | ltk_tscc | Set location to Germany |
| 2013-08-13 16:06:19 | ltk_tscc | Added OSon as a member of The Morons of H.A.R. |
| 2013-08-13 16:05:42 | ltk_tscc | Added credit for OSon on Har'em: Music |