| 2024-05-16 17:20:38 | menace | Set title to 'Human Killing Machine New Version' |
| 2024-05-16 17:20:18 | menace | Set release date to 27 March 1989 |
| 2024-05-16 17:20:12 | menace | Added 3 screenshots |
| 2024-05-16 17:19:12 | menace | Added credit for The Alchemist on Human Killing Machine +4: Code (crack, leveltrainer) |
| 2024-05-16 17:18:56 | menace | Added credit for Bacchus on Human Killing Machine +4: Code (trainer) |
| 2024-05-16 17:18:43 | menace | Edited soundtrack details for Human Killing Machine +4 |
| 2024-05-16 17:14:06 | menace | Added link https://csdb.dk/release/?id=170599 |
| 2024-05-16 17:14:00 | menace | Updated link https://csdb.dk/getinternalfile.php/173998/HumanKillingMachine+4-FLT.d64 |
| 2024-05-16 17:13:55 | menace | Added link http://csdb.dk/getinternalfile.php/173998/HumanKillingMachine+4-FLT.d64 |
| 2024-05-16 05:57:52 | menace | Added tag 'trainer' |
| 2024-05-16 05:57:44 | menace | Added tag 'human-killing-machine' |
| 2024-05-16 05:57:35 | menace | Removed tag 'hk' |
| 2024-05-16 05:57:35 | menace | Added tag 'hk' |
| 2024-05-16 05:57:28 | menace | Set release date to 25 March 1989, type to Cracktro, platform to Commodore 64 |
| 2024-05-16 05:56:25 | menace | Edited notes |