| 2023-08-21 12:57:55 | menace | Added credit for Quartz on Tetris: Code, Graphics, Text |
| 2015-02-15 12:40:09 | menace | Set location to England, United Kingdom |
| 2015-02-15 12:39:55 | menace | Added credit for Quartz on The Main Event: Graphics |
| 2014-05-23 05:44:13 | menace | Added credit for Quartz on Digital Symposium 92 Invitation: Graphics |
| 2013-07-08 04:13:55 | menace | Added credit for Quartz on Arena 2000 (2): Graphics |
| 2013-07-08 03:51:34 | menace | Added Quartz as a member of Digital |
| 2013-07-08 03:51:28 | menace | Added credit for Quartz on Alien World: Graphics |