| 2024-04-19 06:25:26 | menace | Added credit for Celtic on The Ascii Gallery: Graphics |
| 2022-01-13 21:47:07 | menace | Added credit for Celtic on 40k Intro: Code |
| 2021-01-29 14:42:20 | 100bit | Added credit for Celtic on Sudden Death Announce: Code |
| 2020-05-06 16:29:27 | MoonAbyss | Added credit for Celtic on Pulstar: Graphics |
| 2020-05-06 16:29:07 | MoonAbyss | Updated Celtic's credit on Parallel Multiverse: Graphics |
| 2019-11-07 18:01:15 | 100bit | Removed Celtic as a member of Smellon Design |
| 2018-11-18 17:50:03 | 100bit | Added credit for Celtic on Too Hot 23: Text |
| 2018-11-13 12:53:18 | mop | Updated Celtic's membership of Axis: changed group to Axis, set as ex-member |
| 2017-07-23 19:42:12 | Dynamika | Added Celtic as a member of Smellon Design |
| 2016-06-20 21:52:08 | menace | Set location to Gemeente Haarlem, North Holland, Netherlands |
| 2016-06-20 20:34:05 | menace | Added credit for Celtic on Chip-Zong-Pek: Graphics (font) |
| 2013-10-01 19:54:53 | menace | Added credit for Celtic on Commercial Trailer Intro for Jurassic Park 4: Code |
| 2013-08-26 01:46:14 | dipswitch | Added credit for Celtic on Ascii Gallery: Graphics |