| 2023-07-29 14:22:11 | Rebel_O-Conner | Added credit for Devilmarkus on Geronimo's Cadillac: Code, Graphics, Other (music adaptation) |
| 2023-04-20 19:48:28 | Saga_Musix | Added credit for Devilmarkus on Amstrad Megamix 2020: Code, Graphics |
| 2023-04-20 19:46:40 | Saga_Musix | Updated Devilmarkus's credit on Halloween 2021: Code, Graphics |
| 2023-04-20 19:46:15 | Saga_Musix | Added credit for Devilmarkus on Halloween 2021: Code, Graphics, Music (Sampling) |
| 2021-09-19 08:17:44 | ltk_tscc | Added credit for Devilmarkus on Corona Zombies: Code, Graphics |
| 2021-09-19 07:59:29 | ltk_tscc | Added credit for Devilmarkus on UniPixelViewer: Code |
| 2019-12-23 21:39:52 | 100bit | Added credit for Devilmarkus on XMas Flip: Code, Graphics |
| 2019-11-27 18:40:20 | ltk_tscc | Updated visibility of real name |
| 2019-11-27 18:40:12 | ltk_tscc | Added link http://www.cpcwiki.eu/index.php/Devilmarkus |
| 2019-11-27 18:39:43 | ltk_tscc | Added Devilmarkus as a member of FutureSoft |
| 2019-10-11 16:18:52 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=10907 |
| 2019-05-28 00:37:12 | RufUsul | Added credit for Devilmarkus on A-ha - Take on me: Code, Graphics |
| 2018-06-25 18:19:27 | Brittle | Set location to Germany |
| 2018-04-25 21:10:34 | ast | Updated Devilmarkus's membership of Impact: changed member to Devilmarkus |
| 2018-04-25 21:10:14 | ast | Updated Devilmarkus's membership of Impact: changed member to Devilmarkus |
| 2018-04-25 21:09:49 | ast | Added Devilmarkus as a member of Impact |
| 2016-07-20 06:01:10 | menace | Added link http://www.youtube.com/channel/UCFuHnjrPnWn2POn-r50F-zQ |
| 2016-07-20 06:00:38 | menace | Set real name |
| 2016-07-20 05:57:59 | menace | Added credit for Devilmarkus on Remember the 80s: Code, Graphics |
| 2016-07-20 05:53:20 | menace | Added link http://www.pouet.net/user.php?who=25682 |
| 2014-06-22 15:00:22 | Devilmarkus | Updated Devilmarkus's credit on Sundance: Graphics (Animations, Effects), Code |
| 2014-06-22 14:59:16 | Devilmarkus | Updated Devilmarkus's credit on Sundance: Graphics, Code |
| 2014-06-22 08:10:34 | ltk_tscc | Updated Devilmarkus's credit on Sundance: Graphics |
| 2014-06-22 08:09:43 | ltk_tscc | Added credit for Devilmarkus on Sundance: Code |
| 2014-06-22 08:09:36 | ltk_tscc | Added Devilmarkus as a member of Slipstream |