| 2025-11-08 22:07:04 | dipswitch | Added Mass Murderer as staff member of Sabotage (516) |
| 2024-12-14 11:57:16 | dipswitch | Added link https://16colo.rs/artist/mass%20murderer |
| 2024-12-14 11:57:00 | dipswitch | Added credit for Mass Murderer on Pyronet Infopack Three: Graphics (ASCII) |
| 2024-12-14 11:56:50 | dipswitch | Added Mass Murderer as a member of AWE |
| 2024-07-23 11:06:57 | menace | Updated Mass Murderer's credit on AWE Art Pack (11/1996): Text, Graphics (guest ansi collab) |
| 2024-07-23 10:12:45 | menace | Added credit for Mass Murderer on AWE Art Pack (11/1996): Text |
| 2022-09-05 05:44:43 | ipggi | Set location to Nassau County, New York, United States |
| 2022-08-31 07:43:58 | ipggi | Added Mass Murderer as staff member of Rust |
| 2019-08-28 07:47:55 | menace | Added credit for Mass Murderer on Blender #4: Graphics (ansi), Text (poem) |
| 2019-05-18 07:52:20 | menace | Edited nick 'Mass Murderer': changed aliases to 'massm' |
| 2019-05-18 06:06:27 | menace | Added credit for Mass Murderer on iCEPack September 1997: Graphics |
| 2019-05-18 05:58:18 | menace | Added credit for Mass Murderer on DARK0997 - September '97 Collection: Graphics |
| 2019-03-03 06:44:01 | sensenstahl | Added Mass Murderer as a member of Blade |
| 2017-08-24 21:09:16 | se7en | Added credit for Mass Murderer on Fuel Pack 9: Graphics |
| 2017-04-26 23:00:11 | Cthulu | Added credit for Mass Murderer on MIST1297.ZIP: Graphics (ASCII art) |
| 2015-12-12 22:26:09 | se7en | Added Mass Murderer as a member of Fire |
| 2015-05-26 21:27:12 | se7en | Added credit for Mass Murderer on Fire Combustion September 1996: Graphics (ASCII) |
| 2014-01-12 14:58:36 | se7en | Added credit for Mass Murderer on Fire Combustion July 1997: Graphics (ASCII) |
| 2014-01-12 14:37:32 | se7en | Added credit for Mass Murderer on Fire Combustion August 1997: Graphics (ANSI) |
| 2013-12-29 21:21:37 | otium | Added Mass Murderer as a member of Odelay |
| 2013-05-30 01:02:32 | dipswitch | Added credit for Mass Murderer on GO! 9 - Garage Edition: Other (Voting) |
| 2013-05-30 00:12:10 | dipswitch | Added credit for Mass Murderer on GO! 7 - Freeside Edition: Other (Voting) |
| 2013-05-28 01:29:25 | dipswitch | Added credit for Mass Murderer on GO! 3 - B-Side Edition: Other (Voting) |
| 2013-05-28 00:54:55 | dipswitch | Added Mass Murderer as a member of iCE |
| 2013-05-28 00:54:45 | dipswitch | Added credit for Mass Murderer on GO! 1 - Spirit World Edition: Other (Voting) |