| 2021-05-12 11:59:37 | ded | Set type to 512b Intro |
| 2020-11-12 10:43:06 | mirrorbird | Added screenshot |
| 2017-02-26 15:52:55 | menace | Added link https://files.scene.org/view/parties/1999/cc999/zx_spectrum/cc999.zip |
| 2014-05-08 00:35:54 | gasman | Set title to 'Plzm512' |
| 2012-10-01 06:54:42 | menace | Set release date to 3 July 1999 |
| 2012-10-01 06:54:37 | menace | Added credit for STS on PLZM: Code |