| 2016-09-14 16:16:29 | ltk_tscc | Edited notes |
| 2016-09-14 16:14:25 | ltk_tscc | Edited notes |
| 2016-07-25 14:53:00 | TheCollector | Added link http://cyber.savina.net/geotech/geotech.htm |
| 2015-03-21 19:07:56 | ltk_tscc | Added 2 screenshots |
| 2015-03-21 19:07:30 | ltk_tscc | Deleted screenshot |
| 2015-03-21 19:00:18 | ltk_tscc | Added screenshot |
| 2015-03-21 12:40:10 | ltk_tscc | Added link ftp://ftp.untergrund.net/users/ltk_tscc/fujiology/!FALCON/CYBERNET/GEOTECH.ZIP |
| 2014-11-27 20:20:10 | ltk_tscc | Added link http://www.pouet.net/prod.php?which=25722 |
| 2013-10-08 13:08:46 | ltk_tscc | Added credit for Metal Ages on Geotech: Code |
| 2013-09-04 10:08:05 | UKKO | Added credit for ODC on Geotech: Code |
| 2013-05-09 16:43:55 | ltk_tscc | Added production 'Geotech' |