| 2023-04-09 21:31:00 | miker | Added credit for Gumisoft Ltd on APC Scroller: Code |
| 2019-10-25 18:48:29 | ltk_tscc | Added link https://www.pouet.net/groups.php?which=6990 |
| 2017-04-03 15:53:12 | ltk_tscc | Added link ftp://fujiology.untergrund.net/users/ltk_tscc/fujiology/8BIT/GUMISOFT/ |
| 2015-04-18 15:29:32 | Voy | Edited nick 'Gumisoft Ltd': changed aliases to 'GSL' |
| 2014-05-11 10:16:37 | ltk_tscc | Added nick 'Mariusz Kropiwnicki' |
| 2013-04-07 10:42:37 | ltk_tscc | Set real name |
| 2013-04-07 10:42:24 | ltk_tscc | Set location to Poland |
| 2013-04-07 10:42:20 | ltk_tscc | Added Gumisoft Ltd as a member of Atari Programming Champions |