| 2017-09-17 16:28:32 | ltk_tscc | Edited notes |
| 2017-09-17 10:23:42 | ltk_tscc | Added link http://atariki.krap.pl/index.php/Piorun |
| 2017-02-19 10:29:12 | ltk_tscc | Edited notes |
| 2016-11-11 11:06:21 | miker | Added credit for Piorun on Intro X: Graphics |
| 2015-11-14 22:14:49 | Voy | Updated Piorun's credit on Multiply: Graphics (plus fonts and design) |
| 2015-11-14 22:12:27 | Voy | Added credit for Piorun on Multiply: Graphics (and design) |
| 2013-04-07 10:46:52 | ltk_tscc | Set real name |
| 2013-04-07 10:46:37 | ltk_tscc | Set location to Poland |
| 2013-04-07 10:46:17 | ltk_tscc | Added Piorun as a member of Biel-Bial Software Limited |