| 2023-10-21 14:05:41 | meh | Set release date to July 1991 |
| 2023-10-21 13:30:31 | meh | Updated Mafrac's credit on Utility Collection #4: Code (plasma) |
| 2023-10-21 13:26:34 | meh | Edited soundtrack details for Utility Collection #4 |
| 2023-10-21 13:25:53 | meh | Added credit for Xerxes on Utility Collection #4: Music |
| 2023-10-21 13:25:32 | meh | Added credit for Hacksaw on Utility Collection #4: Graphics |
| 2023-10-21 13:25:06 | meh | Added credit for Mafrac on Utility Collection #4: Code (additional code) |
| 2023-10-21 13:24:51 | meh | Added credit for Falch on Utility Collection #4: Code |
| 2023-10-21 13:24:20 | meh | Added screenshot |
| 2023-10-21 13:23:24 | meh | Added production 'Utility Collection #4' |