| 2024-12-08 03:01:31 | iTeC | Set location to Melbourne, Victoria, Australia |
| 2024-03-16 05:35:52 | sensenstahl | Updated Grudge's credit on Mortal Kombat III Trainer (2): Code |
| 2024-03-16 05:35:34 | sensenstahl | Updated Grudge's credit on Warcraft II +16 Trainer: Code |
| 2024-01-27 10:01:24 | sensenstahl | Edited notes |
| 2024-01-27 10:00:58 | sensenstahl | Updated link https://web.archive.org/web/19980613191958/http://www.gametrainer.com/grudge.htm |
| 2024-01-27 10:00:07 | sensenstahl | Edited notes |
| 2024-01-27 09:55:04 | sensenstahl | Added credit for Grudge on Krush Kill N Destroy Trainer: Code (trainer) |
| 2024-01-27 09:54:23 | sensenstahl | Added link https://web.archive.org/web/19981207004923/http://www.gametrainer.com/irakis/ |
| 2019-12-01 20:49:02 | menace | Added Grudge as a member of Class |
| 2019-12-01 20:48:56 | menace | Updated Grudge's credit on Kick Off 98 Cracktro: Code (crack) |